Omaha/Valley, NE

Weather Forecast Office

Severe Weather of May 12, 2023

Overview

Numerous severe thunderstorms produced tornadoes, large hail, damaging winds, and some flooding through much of the area on the afternoon and evening of May 12, 2023.

In total, 19 tornadoes have been confirmed in the NWS Omaha coverage area, along with wind damage from estimated 70 to 80 mph winds in Pilger and near Leigh. In addition, grapefruit-sized hail (4.5" diameter) was reported in Table Rock.

Tornado Count
EFU - 4 EF0 - 4 EF1 - 8 EF2 - 3

Total Combined Path Length of All Tornadoes
65.9 miles

Total Combined Duration of All Tornadoes
150 minutes

Max Estimated Tornado Width
1 mile

Max Individual Tornado Path Length
11.3 miles

Max Individual Tornado Duration
33 minutes

Max Recorded Wind Speed
112 mph

Max Estimated Tornadic Wind Speed
125 mph

Maximum Hail Size
4.5"

Radar Loop. Click to enlarge.

Tornadoes
Wind & Hail
Flooding
Radar
Storm Reports
Rainfall
Environment
Additional

Tornadoes

Public Information Statement
Damage Assessment Toolkit Public Viewer (make sure to change the data to 5/12/2023)

Tornado - Stanton #1
Stanton County

Date	5/12/2023
Time (Local)	453 - 513 pm
EF Rating	EF1
Est. Peak Winds	107 mph
Path Length	8.9 miles
Max Width	200 yards
Injuries/Deaths	0 / 0
Summary: A tornado tracked due north for approximately 9 miles in Stanton County. The primary damage was snapped tree trunks, which at times indicated the width of the tornado as it bisected an east-to-west tree line. There was some damage to a home along Highway 32, primarily minor roofing, siding, and window damage. Several center pivots were flipped, and near the end of the track the north side of a large hog barn was torn off and a trailer was flipped.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Stanton #2
Stanton County

Date	5/12/2023
Time (Local)	517 - 528 pm
EF Rating	EF1
Est. Peak Winds	105 mph
Path Length	5 miles
Max Width	150 yards
Injuries/Deaths	0 / 0
Summary: A tornado tracked northeast for approximately 5 miles in Stanton County. The most intense damage occurred at a farm near the start of the track where a hog barn was completely destroyed and debris was deposited up to a half mile downstream. There was also some tree damage as well as flipped center pivots.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Stanton #3
Stanton County

Date	5/12/2023
Time (Local)	534 - 538 pm
EF Rating	EF1
Est. Peak Winds	88 mph
Path Length	2.8 miles
Max Width	200 yards
Injuries/Deaths	0 / 0
Summary: A tornado tracked north northwest for approximately 2.8 miles across part of Stanton County. Most of the track occurred in difficult-to-access areas but the assessment revealed that this was most likely caused by a tornado. The most intense damage was near Highway 275 where several trees were uprooted, a few were snapped, and there was minor roof damage to a home. A shed was also damaged along the track.

Track Map

Tornado - Madison/Pierce
Madison and Pierce Counties

Date	5/12/2023
Time (Local)	501 - 508 pm
EF Rating	EF1
Est. Peak Winds	100 mph
Path Length	3.1 miles
Max Width	50 yards
Injuries/Deaths	0 / 0
Summary: A short-lived tornado traveled approximately 3.1 miles to the north northwest, primarily causing damage to trees. The most focused damage was in a grove of mature cottonwood trees where multiple trunks were snapped.

Track Map


NWS Damage Survey	NWS Damage Survey

Tornado - Boone
Boone County

Date	5/12/2023
Time (Local)	409 - 412 pm
EF Rating	EF1
Est. Peak Winds	110 mph
Path Length	1.25 miles
Max Width	150 yards
Injuries/Deaths	0 / 0
Summary: A short-lived tornado developed south of Highway 32 and traveled toward the northwest for approximately 1.5 miles. The most intense damage occurred when the tornado destroyed a one-year-old machine shed and deposited the debris a few hundred yards north across the highway. There were also several power poles snapped in this area and a center pivot was flipped farther north, closer to 130th Street.

Track Map

NWS Damage Survey

Tornado - Madison
Madison County

Date	5/12/2023
Time (Local)	422 pm
EF Rating	EFU
Est. Peak Winds	NA
Path Length	0.15
Max Width	50 yards
Injuries/Deaths	0 / 0
Summary: Storm spotter video confirmed a tornado at this location. There was no damage.

Track Map

Tornado - Platte
Platte County

Date	5/12/2023
Time (Local)	355 pm
EF Rating	EFU
Est. Peak Winds	NA
Path Length	0.19 miles
Max Width	10 yards
Injuries/Deaths	0 / 0
Summary: Storm chasers confirmed that a tornado touched down near this location.

Track Map

Tornado - Dodge #1
Dodge County

Date	5/12/2023
Time (Local)	515 - 525 PM
EF Rating	EF2
Est. Peak Winds	112 mph
Path Length	5.5 miles
Max Width	1/2 mile
Injuries/Deaths	0 / 0
Summary: A tornado developed just north of the Platte River in Dodge County, initially as a wide dust plume 4 miles east of North Bend. The tornado moved northeast where it flipped multiple center pivot irrigation systems. It then damaged several large power lines and caused substantial damage to outbuildings, trees, and structural damage to a home. The tornado then caused some damage to another house as well as trees before dissipating just north of County Road P.

Track Map

Tornado west of Ames, just north of Highway 30
Courtesy Jackie Mertens


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Dodge #2
Dodge County

Date	5/12/2023
Time (Local)	542 - 544 pm
EF Rating	EF0
Est. Peak Winds	85 mph
Path Length	2.5 miles
Max Width	300 yards
Injuries/Deaths	0 / 0
Summary: A tornado damaged a roof on a hog barn, overturned several center pivots, and damaged outbuildings and a block building at a farmstead as it moved northeast. This tornado likely dissipated before the storm continued on to produce additional tornadoes.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Dodge #3
Dodge County

Date	5/12/2023
Time (Local)	546 - 619 pm
EF Rating	EF2
Est. Peak Winds	125 mph
Path Length	10.4 miles
Max Width	1 mile
Injuries/Deaths	0 / 0
Summary: A tornado touched down just south of Highway 275, damaging a home, power poles, and numerous trees as it entered the Elkhorn River valley. It caused EF-2 damage to a home just south of Elkhorn River where a porch was ripped off and large trees damaged. The tornado crossed the Elkhorn River where significant tree damage was noted and several center pivots were flipped over. The tornado became wider and impacted additional farmsteads, especially as it approached County Road F up to the Dodge and Burt county line. At these farmsteads, several hog barns, machine sheds, and well-built outbuildings were destroyed. Farm equipment was significantly damaged. Windows were broken out of homes, roofs damaged, porches ripped off and garage doors sucked out. Every person noted that their ears still hurt a day later due to the pressure drop during the tornado. Numerous livestock were injured or killed. The maximum width of this tornado approached one mile as it moved between County Road F and County Road B. A large cattle feedlot was impacted in extreme northeast Dodge County where very large grain bins and well-built barns were destroyed. This tornado exhibited multiple vortex damage patterns at times. The tornado appears to have dissipated just north of Country Road F in Burt County before developing a new tornado just to the north. Additionally, a satellite tornado was reported at the end of this tornado's life cycle.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Burt #1
Burt County

Date	5/12/2023
Time (Local)	614 - 616 pm
EF Rating	EF1
Est. Peak Winds	110 mph
Path Length	1.2 miles
Max Width	100 yards
Injuries/Deaths	0 / 0
Summary: Storm spotters reported a tornado just to the east of the much larger main tornado. This anti-cyclonic satellite tornado appears to have caused damage to center pivot irrigation systems and power lines as it traveled north for approximately one mile.

Track Map

NWS Damage Survey

Tornado - Burt #2
Burt County

Date	5/12/2023
Time (Local)	620 - 644 pm
EF Rating	EF2
Est. Peak Winds	120 mph
Path Length	11.3 miles
Max Width	1/2 mile
Injuries/Deaths	2 / 0
Summary: This tornado started around 620 PM CDT near Burt County Road H, a little over 2 mil miles west of US 77 Highway. The tornado started moving north-northeast and then curved and was moving due north. As it moved north it gained strength and started destroying outbuildings and trees at various farmsteads, reaching EF-2 strength. By the time the tornado reached Burt County Road K, it became nearly â… of a mile wide. Nearly a half-mile width of double-wide wooden transmission poles were snapped north of County Road L. The tornado, which was wrapped in rain, continued trekking to the north, damaging farmstead after farmstead, as well as uprooting and snapping trees. The tornado eventually weakened at 644 PM CDT, 3 miles west of Lyons. Two people were injured by the tornado. One had a tree fall on a shed with a person inside, injuring his head. The other person had cuts to his face from flying glass.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Burt #3
Burt County

Date	5/12/2023
Time (Local)	723 pm
EF Rating	EFU
Est. Peak Winds	NA
Path Length	0.4 miles
Max Width	50 yards
Injuries/Deaths	0 / 0
Summary: Storm chasers report a long rope tornado near this location, extending out the south side of the storm. This is supported by radar data at that time. No damage was reported and length and width are estimated based on first-hand reports.

Track Map

Tornado - Burt #4
Burt County

Date	5/12/2023
Time (Local)	743 pm
EF Rating	EFU
Est. Peak Winds	NA
Path Length	0.4 miles
Max Width	20 yards
Injuries/Deaths	0 / 0
Summary: A brief tornado was witnessed and reported with video evidence near this location at approximately 743 PM (time estimated based on radar data). The tornado lasted for 15 to 30 seconds. No damage was reported as it was over open fields.

Track Map

Tornado - Richardson
Richardson County

Date	5/12/2023
Time (Local)	718 - 721 pm
EF Rating	EF0
Est. Peak Winds	83 mph
Path Length	2.3 miles
Max Width	50 yards
Injuries/Deaths	0 / 0
Summary: A small tornado traveled approximately 2 miles toward the northeast, beginning just a few hundred yards south of the Nebraska-Kansas border and continuing north into Richardson County. This tornado caused power line damage, roof damage to a shed, and door damage to another outbuilding. There was also evidence of swirl marks in the cornfields. A spotter did report a tornado near this location.

Track Map

NWS Damage Survey

Tornado - Pawnee
Pawnee County

Date	5/12/2023
Time (Local)	433 - 441 pm
EF Rating	EF1
Est. Peak Winds	90 mph
Path Length	3.1 miles
Max Width	80 yards
Injuries/Deaths	0 / 0
Summary: Tornado started on the northeast side of Pawnee City where the baseball fields sustained damage. The tornado continued northeast and destroyed a grain bin and ended in a field 1 1/2 miles southwest of Table Rock.

Track Map

Tornado - Stanton #4
Stanton County

Date	5/12/2023
Time (Local)	539 - 554 pm
EF Rating	EF1
Est. Peak Winds	105
Path Length	5.2 miles
Max Width	300 yards
Injuries/Deaths	0 / 0
Summary: An intermittent tornado damage track was noted along the west flank of a focused and elongated area of downburst winds. The damage was largely to trees although there were a couple of farm outbuildings damaged along the track. One east-west oriented treeline had a focused damage area approximately 200 yards wide. It appears likely that this tornado track had some gaps in it based on the somewhat sporadic damage pattern.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Wayne
Wayne County

Date	5/12/2023
Time (Local)	614 - 616 pm
EF Rating	EF0
Est. Peak Winds	85
Path Length	0.3 miles
Max Width	20 yards
Injuries/Deaths	0 / 0
Summary: A tornado began in an open field and tracked across the east side of a farm, tipping a grain wagon, damaging trees, lifting an open shed, and damaging the roof of another shed. The debris was deposited up to 150 yards downstream where the track appeared to end in an open pasture prior to crossing 852nd road.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

Tornado - Wayne #2
Wayne County

Date	5/12/2023
Time (Local)	624 - 635 pm
EF Rating	EF0
Est. Peak Winds	80
Path Length	0.7 miles
Max Width	20 yards
Injuries/Deaths	0 / 0
Summary: Focused areas of tree damage occurred along this track and were likely caused by a short lived tornado. Damage included snapped trunks and uprooted trees along a narrow path.

Track Map


NWS Damage Survey	NWS Damage Survey	NWS Damage Survey	NWS Damage Survey

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Wind & Hail:

Wind


Damage in Pilger NWS Damage Survey	Damage in Pilger NWS Damage Survey	Caption	Caption

Hail


Image Credit Tim Crowley and Mark Humphrey. Hail 5/12/2023, 520 pm, near Humboldt, NE.	Caption	Caption	Caption

Flooding

Photos


Street flooding in Auburn, Nebraska
The above photos are courtesy of the Omaha-World Herald/Chris Machian (used with permission)


Field terrace damage near Pisgah, Iowa	Road washout near Magnolia, Iowa	This culvert is one of two that was damaged during the heavy rain event. They are 14 feet in diameter and about 120 feet long.

Radar/MRMS


This is an image of CREST Unit Streamflow. This parameter, blue and white pixels, shows the significant runoff that occurred due to the heavy rainfall. For a rural area, seeing values like this are rare.	This is an image of how often this type of rainfall occurs on average. Values exceeding 10 are high. The value here are close to 100, which indicates an extreme rainfall event.	This is an image of the 3-hour rainfall as depicted by the radar. The values shown here indicated widespread rainfall amounts of 4 to 5 inches. It is likely even higher amounts fell than shown here.

River Hydrographs


A significant amount of runoff from the hills went into the Solider River. Note the river graph shows a more than 10 foot rise in a short period time due to this runoff.	Additional runoff from the hills even influenced the river level on the Missouri River. The gage at Omaha shows over a two foot rise in a short period of time due to this heavy rain coming out of Iowa.

Flash Flood Warnings


Flash flood warning issued for Auburn, NE	Flash flood warning issued for North Bend,NE	Flash flood warning issued in Monona and Harrison counties in Iowa.	Flash flood warning issued for portions of eastern Nebraska.

Radar

Header


Radar image 5/12/2023 524 pm. Reflective top left, storm relative velocity top right, differential reflectivity bottom left, correlation coefficient bottom right.	Radar image 5/12/2023 537 pm. Reflective top left, storm relative velocity top right, differential reflectivity bottom left, correlation coefficient bottom right.	Radar image 5/12/2023 557 pm. Reflective top left, storm relative velocity top right, differential reflectivity bottom left, correlation coefficient bottom right.	Radar image 5/12/2023 605 pm. Reflective top left, storm relative velocity top right, differential reflectivity bottom left, correlation coefficient bottom right.

Storm Reports

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0311 PM     HAIL             DENTON                  40.75N 96.84W
05/12/2023  U0.75 INCH       LANCASTER          NE   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

0314 PM     HAIL             2 ESE PLEASANT DALE     40.78N 96.89W
05/12/2023  M1.00 INCH       LANCASTER          NE   EMERGENCY MNGR



0323 PM     HAIL             2 NNE PLEASANT DALE     40.82N 96.91W
05/12/2023  M1.25 INCH       SEWARD             NE   STORM CHASER



0331 PM     HAIL             5 NE GARLAND            41.00N 96.91W
05/12/2023  M0.70 INCH       LANCASTER          NE   TRAINED SPOTTER



0343 PM     TORNADO          5 S LINDSAY             41.63N 97.70W
05/12/2023                   PLATTE             NE   STORM CHASER



0358 PM     TSTM WND GST     8 S LINDSAY             41.59N 97.69W
05/12/2023  M63 MPH          PLATTE             NE   MESONET

            PERSONAL WEATHER STATION RECORDED A PEAK
            WIND GUST OF 63 MPH.

0413 PM     TORNADO          1 E LINDSAY             41.70N 97.68W
05/12/2023                   PLATTE             NE   NWS EMPLOYEE



0419 PM     TORNADO          7 ENE PETERSBURG        41.89N 97.96W
05/12/2023                   BOONE              NE   STORM CHASER

            DAMAGE PATH ACROSS HIGHWAY 32.

0421 PM     TORNADO          9 NW NEWMAN GROVE       41.86N 97.88W
05/12/2023                   BOONE              NE   STORM CHASER

            TORNADO DAMAGE, SMALL FARM BUILDINGS
            DAMAGED, DEBRIS ON ROADWAY.

0422 PM     HAIL             3 NNE PLATTE CENTER     41.58N 97.46W
05/12/2023  E1.75 INCH       PLATTE             NE   COCORAHS

            DELAYED REPORT.

0427 PM     HAIL             COLUMBUS                41.44N 97.35W
05/12/2023  E1.00 INCH       PLATTE             NE   TRAINED SPOTTER



0432 PM     TORNADO          2 E TABLE ROCK          40.18N 96.04W
05/12/2023                   PAWNEE             NE   PUBLIC

            PUBLIC REPORT OF A TORNADO TOUCHDOWN.

0435 PM     TORNADO          1 NE PAWNEE CITY        40.12N 96.14W
05/12/2023                   PAWNEE             NE   TRAINED SPOTTER



0441 PM     TORNADO          1 E TABLE ROCK          40.18N 96.07W
05/12/2023                   PAWNEE             NE   STORM CHASER

            ROPE TORNADO.

0441 PM     HAIL             1 ENE HUMPHREY          41.69N 97.46W
05/12/2023  E0.75 INCH       PLATTE             NE   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

0442 PM     HAIL             PLATTE CENTER           41.54N 97.49W
05/12/2023  E1.75 INCH       PLATTE             NE   PUBLIC



0445 PM     TSTM WND GST     2 E TARNOV              41.61N 97.47W
05/12/2023  M59 MPH          PLATTE             NE   PUBLIC

            PERSONAL WEATHER STATION RECORDED A PEAK
            WIND GUST OF 59 MPH.

0448 PM     TSTM WND DMG     PAWNEE CITY             40.11N 96.16W
05/12/2023                   PAWNEE             NE   STORM CHASER

            4 INCH TREE LIMBS BLOWN DOWN.

0452 PM     TORNADO          2 S TABLE ROCK          40.15N 96.09W
05/12/2023                   PAWNEE             NE   LAW ENFORCEMENT



0453 PM     HAIL             6 SSW LEIGH             41.63N 97.30W
05/12/2023  M1.75 INCH       PLATTE             NE   TRAINED SPOTTER

            DELAYED REPORT.

0453 PM     HAIL             TABLE ROCK              40.18N 96.09W
05/12/2023  M4.50 INCH       PAWNEE             NE   PUBLIC

            MULTIPLE PHOTOS ON SOCIAL MEDIA.

0454 PM     HAIL             1 SW TABLE ROCK         40.17N 96.11W
05/12/2023  U1.25 INCH       PAWNEE             NE   PUBLIC

            REPORT FROM MPING: HALF DOLLAR (1.25 IN.).

0458 PM     FLOOD            7 NE NEWMAN GROVE       41.84N 97.72W
05/12/2023                   MADISON            NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0458 PM     FLOOD            7 NE NEWMAN GROVE       41.84N 97.72W
05/12/2023                   MADISON            NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0459 PM     TSTM WND DMG     1 WNW MEADOW GROVE      42.03N 97.75W
05/12/2023                   MADISON            NE   PUBLIC

            REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
            POWER POLES BROKEN.

0500 PM     FLASH FLOOD      2 NE HUMPHREY           41.70N 97.46W
05/12/2023                   PLATTE             NE   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0500 PM     FLASH FLOOD      2 NE HUMPHREY           41.70N 97.46W
05/12/2023                   PLATTE             NE   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0502 PM     TSTM WND DMG     1 E MEADOW GROVE        42.03N 97.71W
05/12/2023                   MADISON            NE   PUBLIC

            REPORT FROM MPING: TREES UPROOTED OR
            SNAPPED; ROOF BLOWN OFF.

0502 PM     TSTM WND DMG     1 E MEADOW GROVE        42.03N 97.71W
05/12/2023                   MADISON            NE   PUBLIC

            REPORT FROM MPING: TREES UPROOTED OR
            SNAPPED; ROOF BLOWN OFF.

0503 PM     TSTM WND DMG     9 SSW STANTON           41.83N 97.27W
05/12/2023                   STANTON            NE   PUBLIC           

            EAST SIDE OF A BARN MISSING. POSSIBLE 
            TORNADO. DELAYED REPORT. TIME ESTIMATED FROM 
            RADAR. 


0504 PM     FLOOD            2 NE HUMPHREY           41.70N 97.45W
05/12/2023                   PLATTE             NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0504 PM     FLOOD            2 NE HUMPHREY           41.70N 97.45W
05/12/2023                   PLATTE             NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0509 PM     HAIL             3 E TABLE ROCK          40.18N 96.04W
05/12/2023  M2.75 INCH       PAWNEE             NE   STORM CHASER



0510 PM     TORNADO          1 ENE LEIGH             41.71N 97.21W
05/12/2023                   COLFAX             NE   STORM CHASER



0512 PM     HAIL             4 WNW HUMBOLDT          40.19N 96.01W
05/12/2023  E3.25 INCH       PAWNEE             NE   PUBLIC

            REPORT FROM MPING: BASEBALL+ (3.25 IN.).

0518 PM     HAIL             7 E ELK CREEK           40.30N 96.00W
05/12/2023  E2.75 INCH       NEMAHA             NE   EMERGENCY MNGR



0520 PM     TORNADO          1 ESE NORTH BEND        41.46N 96.76W
05/12/2023                   DODGE              NE   STORM CHASER


0520 PM     HAIL             3 N HUMBOLDT            40.20N 95.95W
05/12/2023  E4.00 INCH       RICHARDSON         NE   PUBLIC           

            PICTURE FROM TWITTER. DELAYED REPORT. 


0523 PM     TORNADO          4 ENE NORTH BEND        41.50N 96.72W
05/12/2023                   DODGE              NE   EMERGENCY MNGR



0523 PM     TORNADO          4 NW AMES               41.50N 96.67W
05/12/2023                   DODGE              NE   EMERGENCY MNGR

            HOME DAMAGED FROM TORNADO.

0523 PM     TORNADO          4 NW AMES               41.50N 96.68W
05/12/2023                   DODGE              NE   EMERGENCY MNGR

            FARMSTEAD DAMAGED. POWER LINES ALSO DOWN IN
            THE AREA.

0524 PM     TORNADO          5 NW AMES               41.51N 96.69W
05/12/2023                   DODGE              NE   EMERGENCY MNGR



0536 PM     HAIL             2 SW MORSE BLUFF        41.41N 96.78W
05/12/2023  E2.00 INCH       SAUNDERS           NE   TRAINED SPOTTER

            DELAYED REPORT.

0537 PM     HAIL             3 W NORTH BEND          41.46N 96.84W
05/12/2023  U1.25 INCH       DODGE              NE   PUBLIC

            REPORT FROM MPING: HALF DOLLAR (1.25 IN.).

0538 PM     TORNADO          5 SW HOOPER             41.57N 96.63W
05/12/2023                   DODGE              NE   NWS EMPLOYEE

            TORNADO DEBRIS SIGNATURE STILL ON RADAR.

0544 PM     HAIL             2 ESE NORTH BEND        41.46N 96.75W
05/12/2023  U1.25 INCH       DODGE              NE   PUBLIC

            REPORT FROM MPING: HALF DOLLAR (1.25 IN.).

0545 PM     TORNADO          4 WSW HOOPER            41.60N 96.62W
05/12/2023                   DODGE              NE   EMERGENCY MNGR



0545 PM     HAIL             3 NE MORSE BLUFF        41.46N 96.73W
05/12/2023  U1.50 INCH       DODGE              NE   PUBLIC

            REPORT FROM MPING: PING PONG BALL (1.50
            IN.).

0546 PM     TSTM WND DMG     5 N STANTON             42.02N 97.23W
05/12/2023                   STANTON            NE   PUBLIC

            REPORT FROM MPING: TREES UPROOTED OR
            SNAPPED; ROOF BLOWN OFF.

0547 PM     FLASH FLOOD      NORTH BEND              41.46N 96.78W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0547 PM     FLASH FLOOD      NORTH BEND              41.46N 96.78W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0548 PM     TORNADO          3 W HOOPER              41.62N 96.60W
05/12/2023                   DODGE              NE   PUBLIC

            CORRECTS TIME OF PREVIOUS TORNADO REPORT
            FROM 3 W HOOPER. SUBSTANTIAL DAMAGE TO
            OUTBUILDINGS ON A FARM. DELAYED REPORT.

0550 PM     TORNADO          2 WNW HOOPER            41.62N 96.59W
05/12/2023                   DODGE              NE   PUBLIC



0550 PM     HAIL             3 SE COOK               40.48N 96.13W
05/12/2023  U0.75 INCH       JOHNSON            NE   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

0555 PM     TSTM WND DMG     PILGER                  42.01N 97.06W
05/12/2023                   STANTON            NE   EMERGENCY MNGR

            UNOCCUPIED CAMPERS BLOWN OVER. MANY FARM
            STRUCTURES DAMAGED AND LARGE TREES SNAPPED
            AND BROKEN. POWERLINES AND LARGE TREES
            BLOCKING THE ROAD EAST OF STANTON.

0557 PM     TORNADO          4 NNW HOOPER            41.67N 96.58W
05/12/2023                   DODGE              NE   NWS EMPLOYEE

            MULTIPLE VORTEX TORNADO WITH RAIN WRAPPING
            CURTAINS.

0557 PM     TORNADO          4 E SCRIBNER            41.67N 96.60W
05/12/2023                   DODGE              NE   STORM CHASER

            MULTIPLE FARMSTEADS DAMAGED, LARGE POWER
            LINES DOWN, TREES SHREDDED. PATH
            APPROXIMATELY A HALF MILE WIDE.

0558 PM     TSTM WND GST     PILGER                  42.01N 97.06W
05/12/2023  M62 MPH          STANTON            NE   PUBLIC

            PERSONAL WEATHER STATION RECORDED A PEAK
            WIND GUST OF 62 MPH.

0601 PM     TSTM WND DMG     MORSE BLUFF             41.43N 96.77W
05/12/2023                   SAUNDERS           NE   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

0601 PM     TSTM WND DMG     MORSE BLUFF             41.43N 96.77W
05/12/2023                   SAUNDERS           NE   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

0603 PM     TSTM WND DMG     3 WSW UEHLING           41.72N 96.56W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: HOMES/BUILDINGS
            COMPLETELY DESTROYED.

0605 PM     TORNADO          3 W UEHLING             41.73N 96.56W
05/12/2023                   DODGE              NE   NWS EMPLOYEE

            TORNADIC DEBRIS SIGNATURE CONTINUES.

0607 PM     TSTM WND DMG     PILGER                  42.01N 97.06W
05/12/2023                   STANTON            NE   EMERGENCY MNGR

            POWER LINES DOWN, LOTS OF TREE DAMAGE.

0607 PM     HAIL             3 E AUBURN              40.39N 95.79W
05/12/2023  E1.75 INCH       NEMAHA             NE   STORM CHASER



0610 PM     TORNADO          2 W UEHLING             41.74N 96.54W
05/12/2023                   DODGE              NE   STORM CHASER

            COMMERCIAL CATTLE FEED LOT HEAVILY DAMAGED,
            SEVERAL HUNDRED CATTLE LOOSE.

0611 PM     TSTM WND DMG     4 N STANTON             42.01N 97.22W
05/12/2023                   STANTON            NE   EMERGENCY MNGR

            DAMAGE TO 3 CAR GARAGE, ROOF IN TREES.
            DIESEL TANK TIPPED OVER.

0612 PM     HAIL             1 W AMES                41.45N 96.65W
05/12/2023  U1.00 INCH       DODGE              NE   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

0613 PM     FLOOD            AMES                    41.45N 96.64W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0613 PM     TSTM WND GST     2 SE OAKLAND            41.81N 96.44W
05/12/2023  M73 MPH          BURT               NE   PUBLIC

            PERSONAL WEATHER STATION RECORDED A PEAK
            WIND GUST OF 73 MPH.

0613 PM     FLOOD            AMES                    41.45N 96.64W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0617 PM     TORNADO          2 NW UEHLING            41.76N 96.53W
05/12/2023                   BURT               NE   STORM CHASER

            VERY LARGE VIOLENT TORNADO.

0619 PM     TORNADO          2 NNW UEHLING           41.77N 96.52W
05/12/2023                   BURT               NE   STORM CHASER

            LARGE, VIOLENT TORNADO.

0620 PM     TORNADO          3 ESE CARROLL           42.25N 97.13W
05/12/2023                   WAYNE              NE   EMERGENCY MNGR



0623 PM     TORNADO          3 WSW OAKLAND           41.81N 96.51W
05/12/2023                   BURT               NE   TRAINED SPOTTER

            TWO FARM OUTBUILDINGS DESTROYED. DELAYED
            REPORT.

0623 PM     TORNADO          3 SW OAKLAND            41.80N 96.50W
05/12/2023                   BURT               NE   STORM CHASER

            ANTICYLONIC TORNADO ORBITING THE MAIN
            TORNADO CONE.

0628 PM     TORNADO          3 W OAKLAND             41.83N 96.52W
05/12/2023                   BURT               NE   PUBLIC

            SUBSTANTIAL FARMSTEAD DAMAGE.

0630 PM     TORNADO          3 WNW OAKLAND           41.84N 96.52W
05/12/2023                   BURT               NE   PUBLIC

            SUBSTANTIAL DAMAGE TO A FARMSTEAD.

0632 PM     HAIL             AUBURN                  40.39N 95.84W
05/12/2023  E1.00 INCH       NEMAHA             NE   PUBLIC



0635 PM     TSTM WND DMG     WEST POINT              41.84N 96.71W
05/12/2023                   CUMING             NE   EMERGENCY MNGR

            POWER LINES BLOWN DOWN.

0636 PM     TORNADO          4 SW LYONS              41.90N 96.53W
05/12/2023                   BURT               NE   NWS EMPLOYEE

            TORNADIC DEBRIS SIGNATURE STILL INDICATING A
            LARGE TORNADO.

0636 PM     TORNADO          4 SW LYONS              41.90N 96.54W
05/12/2023                   BURT               NE   EMERGENCY MNGR

            *** 2 INJ ***
            LARGE WEDGE TORNADO REPORTED IN WESTERN
            PORTIONS OF THE COUNTY. DELAYED REPORT OF 2
            KNOWN INJURIES BETWEEN LYONS AND OAKLAND.
            WIDESPREAD DAMAGE WITH NUMEROUS HOUSES HIT.
            ONE HOME APPEARS TO HAVE SHIFTED OFF THE
            FOUNDATION.

0644 PM     TSTM WND DMG     1 W HAMBURG             40.60N 95.68W
05/12/2023                   FREMONT            IA   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

0644 PM     TSTM WND DMG     1 W HAMBURG             40.60N 95.68W
05/12/2023                   FREMONT            IA   PUBLIC

            REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN;
            SHINGLES BLOWN OFF.

0650 PM     TSTM WND DMG     1 S UEHLING             41.72N 96.50W
05/12/2023                   DODGE              NE   PUBLIC

            REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN;
            POWER POLES BROKEN. DELAYED REPORT.

0652 PM     HAIL             PERU                    40.48N 95.73W
05/12/2023  E0.88 INCH       NEMAHA             NE   EMERGENCY MNGR



0657 PM     TORNADO          2 SE UEHLING            41.71N 96.48W
05/12/2023                   DODGE              NE   PUBLIC

            DAMAGE TO A FARMSTEAD. POSSIBLE TORNADO.

0707 PM     FLASH FLOOD      AUBURN                  40.39N 95.84W
05/12/2023                   NEMAHA             NE   PUBLIC

            CENTRAL AVENUE FLOODED CURB DEEP. FROM
            SOCIAL MEDIA.

0722 PM     HAIL             2 S WINSLOW             41.58N 96.50W
05/12/2023  E1.00 INCH       DODGE              NE   STORM CHASER



0724 PM     TORNADO          4 WSW PRESTON           40.01N 95.58W
05/12/2023                   RICHARDSON         NE   STORM CHASER

            CORRECTS PREVIOUS FUNNEL CLOUD REPORT FROM 4
            WSW PRESTON. OBSERVED ROPE TORNADO APPROX 5
            MI SOUTH FALLS CITY. LASTED 3-5 MINUTES.

0724 PM     FUNNEL CLOUD     4 WSW PRESTON           40.01N 95.58W
05/12/2023                   RICHARDSON         NE   STORM CHASER

            ROPE LIKE FUNNEL LASTED 3-5 MINUTRES.

0724 PM     FUNNEL CLOUD     4 WSW PRESTON           40.01N 95.58W
05/12/2023                   RICHARDSON         NE   STORM CHASER

            ROPE LIKE FUNNEL LASTED 3-5 MINUTRES.

0735 PM     HAIL             4 W DECATUR             42.00N 96.33W
05/12/2023  U1.00 INCH       BURT               NE   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

0743 PM     TORNADO          4 E TEKAMAH             41.78N 96.15W
05/12/2023                   BURT               NE   STORM CHASER

            BRIEF SPIN-UP, LASTED 15 SECONDS.

0807 PM     HAIL             6 S DECATUR             41.92N 96.23W
05/12/2023  U0.75 INCH       BURT               NE   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

0825 PM     FLASH FLOOD      1 W ONAWA               42.03N 96.10W
05/12/2023                   MONONA             IA   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0825 PM     FLASH FLOOD      1 W ONAWA               42.03N 96.10W
05/12/2023                   MONONA             IA   PUBLIC

            REPORT FROM MPING: STREET/ROAD FLOODING;
            STREET/ROAD CLOSED; VEHICLES STRANDED.

0831 PM     FLOOD            2 S BLAIR               41.52N 96.14W
05/12/2023                   WASHINGTON         NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

0831 PM     FLOOD            2 S BLAIR               41.52N 96.14W
05/12/2023                   WASHINGTON         NE   PUBLIC

            REPORT FROM MPING: RIVER/CREEK OVERFLOWING;
            CROPLAND/YARD/BASEMENT FLOODING.

1100 PM     HEAVY RAIN       3 WNW MAGNOLIA          41.71N 95.93W
05/12/2023  M4.40 INCH       HARRISON           IA   PUBLIC

Rain Reports

Rainfall Map

Environment

Synoptic summary.


Figure 1: 500 mb pattern 5/12/2023 12z.	Figure 2: 850 mb pattern 5/12/2023 12z.	Figure 3: KOAX upper air sounding 5/12/2023 19z.

Near-storm environment summary.


Figure 4: Mean sea level pressure 5/12/2023 23z.	Figure 5: Surface based CAPE 5/12/2023 23z.	Figure 6: Effective shear 5/12/2023 23z.

Additional environmental data.


Figure 7: Significant tornado parameter 5/12/2023 23z.	Figure 8: Violent tornado parameter 5/12/2023 23z.	Figure 9: 0-1km EHI 5/12/2023 23z.

Additional Information

The Forecast


SPC Day 3 Categorical Outlook	SPC Day 3 Probabilistic Outlook


SPC Day 2 Categorical Outlook	SPC Day 2 Tornado Outlook	SPC Day 2 Hail Outlook	SPC Day 2 Wind Outlook

SPC Day 1 Categorical Outlook	SPC Day 1 Tornado Outlook	SPC Day 1 Hail Outlook	SPC Day 1 Wind Outlook

Summaries from other NWS Offices

NWS North Platte

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Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Severe Weather of May 12, 2023