Omaha/Valley, NE

Weather Forecast Office

Severe Weather

Page title

Overview

A line of intense supercell thunderstorms developed over northeast Nebraska during the afternoon hours of Friday, June 16. These storms progressed toward the south and east through the evening, progressively morphing into a sweeping line of storms with embedded areas of both supercells and intense bow echoes. While the entire line produced widespread reports of wind damage and hail across a large portion of southwest Iowa and eastern Nebraska, the most intense activity produced hurricane-force winds of 80-110 mph, hail larger than golf balls, and several tornadoes. Damage was reported in several counties across southwest Iowa and eastern Nebraska, with significant damage to homes impacted by tornadoes and widespread, substantial tree and crop damage.

Radar Reflectivity Animation for the Event


near Seward, Nebraska	near Battle Creek, Nebraska	near Bellevue, Nebraska

Tornado
Wind & Hail
Photos
Radar
Satellite
Storm Reports
Rainfall
Environment

Tornadoes:

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Tornado #1 - Bellevue, Nebraska
Sarpy/Mills Counties

Date	6/16/2017
Time (CDT)	8:05 pm - 8:18 pm
EF Rating	EF-2
Est. Peak Winds	135 mph
Path Length	9.3 miles
Max Width	TBD
Injuries/Deaths	0/0
Summary: The tornado started near the Two Springs area and tracked across southern portions of Bellevue before lifting near the Highway 34 and Interstate 29.

Track Map

KOAX Radar Animation from 7:57pm to 8:28pm

Tornado #2 - Offutt AFB, Nebraska
Sarpy County

Date	6/16/2017
Time (CDT)	8:08 pm - 8:13 pm
EF Rating	EF-1
Est. Peak Winds	110 mph
Path Length	6.7 miles
Max Width	175 yards
Injuries/Deaths	0/0
Summary: The tornado started near the Willow Lakes Golf Course, traveled through Offutt AFB, crossed the Missouri River and lifted before Interstate 29.

Track Map

KOAX Radar Animation from 7:57pm to 8:28pm

Tornado #3 - Hoskins, Nebraska
Madison County

Date	6/16/2017
Time (CDT)	5:32 pm - 5:37 pm
EF Rating	EF-1
Est. Peak Winds	98 mph
Path Length	2.2 miles
Max Width	100 yards
Injuries/Deaths	0/0
Summary: This tornado was short-lived and was only on the ground for a few minutes before lifting.

Track Map

KOAX Radar Animation from 5:16pm to 5:40pm

Tornado #4 - Madison, Nebraska
Madison County

Date	6/16/2017
Time (CDT)	5:50 pm - 5:56 pm
EF Rating	EF-0
Est. Peak Winds	75
Path Length	4.5 miles
Max Width	25
Injuries/Deaths	0/0
Summary: This tornado was short-lived and was only on the ground for a few minutes before lifting.

Track Map

KOAX Radar Animation from 5:16pm to 5:40pm

Tornado #5 - Lincoln, Nebraska
Lancaster County

Date	6/16/2017
Time (CDT)	8:40 pm
EF Rating	EF-0
Est. Peak Winds	65 mph
Path Length	100 feet
Max Width	10 yards
Injuries/Deaths	0/0
Summary: This brief tornado touchdown lasted less than a minute.

Track Map

KOAX Radar Animation from 8:34pm to 8:46pm

Tornado #6 - Meadow Grove, Nebraska
Pierce County

Date	6/16/2017
Time (CDT)	5:47 pm - 5:49 pm
EF Rating	EF-0
Est. Peak Winds	70 mph
Path Length	N/A
Max Width	0.04 miles
Injuries/Deaths	0/0
Summary: This tornado touchdown was very brief and lasted only a couple minutes.

Track Map


KOAX Radar Loop from 5:49pm to 5:59pm	KOAX Radar Image from 5:49pm

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:

Public Information Statement
National Weather Service Omaha/Valley NE
908 AM CDT Wed Jun 21 2017

...NWS DAMAGE SURVEY FOR JUNE 16, 2017 SEVERE THUNDERSTORM WIND
EVENT...

.Southern Sarpy County and Surrounding Areas Wind Damage...

Peak wind:              110-120 mph based on damage indicators
Direction:              From the Northwest
Fatalities:             0
Injuries:               0

Start date:             June 16, 2017
Start time:             7:40 PM CDT

End date:               June 16, 2017
End time:               8:30 PM CDT

A powerful group of thunderstorms produced widespread winds of 60 to
80 mph across much of the area surrounding southern Sarpy county.
Within that broad area of wind, several areas of very intense wind
damage occurred with damage indicators suggesting peak wind speeds
of 100 to 120 mph from the north and northwest.

Perhaps the most intense damage was noted from approximately 3 miles
northwest of Springfield to just west of Springfield to 3 miles south
of Springfield where very large grain bins were dislodged and tumbled
nearly a half mile, many power poles were snapped, and widespread
significant tree damage occurred. Peak winds in this area were likely
in the 110-120 mph range.

Another area of more intense damage occurred in and near the Maha Scout
Camp at 63rd street and the Platte River. Tree damage in this area
indicated smaller areas of locally intense microburst winds which likely
approached 110 mph. Approximately 50 campers were present during the
storm with no injuries reported.

Additional areas of very intense winds occurred in southeast Sarpy county
and adjacent northeast Cass county and western Mills county Iowa to the
south of the EF-2 tornado track. Winds in these areas likely exceeded
100 mph.

Special thanks to local emergency management for assisting NWS storm
damage survey efforts for this expansive severe weather event.

.Gage County and Southeast Saline County Wind Damage...

Peak wind:              100-115 mph based on damage indicators
Direction:              From the North and Northwest
Fatalities:             0
Injuries:               0

Start date:             June 16, 2017
Start time:             8:50 PM CDT

End date:               June 16, 2017
End time:               10:10 PM CDT

A very intense supercell thunderstorm tracked from eastern Saline county
southeast across Gage county. This storm produced 60-80 mph winds
throughout much of its track with a narrower band of 80-115 mph winds
associated with the western rear flank downdraft portion of the storm.
These most intense winds tracked from near Wilber to De Witt to west
Beatrice to Big Indian Creek Reservoir. Damage indicators and radar
data suggest that within this several-mile-wide track there were strong
pulses of wind which produced the most intense damage.

One of the most intense areas was on the southwest side of Wilber where
part of a roof was removed and blown more than 100 yards and a storm
spotter truck was blown sideways approximately 3 feet. Another area of
more intense damage was on the far west side of Beatrice where
substantial tree damage occurred as well as some roof damage to homes
and businesses. The final area of very intense damage occurred
approximately 3 miles northwest of Blue Springs where a barn was
destroyed, the roof of a large shed caved in, several power poles were
snapped, and significant tree damage occurred.

Special thanks to local emergency management for assisting NWS storm
damage survey efforts for this expansive severe weather event.

NOTE:
The information in this statement is PRELIMINARY and subject to
change pending final review of the events and publication in
NWS Storm Data.


Wind, Hail and Tornado Reports (from the SPC)


PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
253 AM CDT SAT JUN 17 2017  
   
..WIND REPORTS  
  
LOCATION                     SPEED     TIME/DATE       LAT/LON/COMMENTS                
2 NW FREMONT                110 MPH    0725 PM 06/16   MEASURED(CHASER)  
OMAHA                       104 MPH    0725 PM 06/16   MEASURED(SPOTTER)  
LINCOLN AIRPORT              87 MPH    0837 PM 06/16   40.85N/96.76W          
VALLEY NWS                   87 MPH    0736 PM 06/16   MEASURED  
BEATRICE AIRPORT             85 MPH    0955 PM 06/16   40.30N/96.75W          
HOOPER                       80 MPH    0710 PM 06/16   ESTIMATED(SPOTTER)  
BELLEVUE                     80 MPH    0810 PM 06/16   ESTIMATED(PUBLIC)  
5 W BEATRICE                 80 MPH    0934 PM 06/16   MEASURED(SPOTTER)  
2 WNW WEST POINT             74 MPH    0635 PM 06/16   41.85N/96.75W          
NORFOLK AIRPORT              74 MPH    0538 PM 06/16   41.99N/97.43W          
4 SSW GRETNA                 74 MPH    0779 PM 06/16   MEASURED  
2 ENE AVOCA                  70 MPH    0850 PM 06/16   41.50N/95.29W          
MALCOLM                      70 MPH    0835 PM 06/16   ESTIMATED(AMRADIO)  
3 W MILLARD                  67 MPH    0800 PM 06/16   41.20N/96.22W          
4 E NEBRASKA CITY            66 MPH    0902 PM 06/16   40.69N/95.78W          
WILBER                       65 MPH    0913 PM 06/16   MEASURED(CHASER)  
4 S DORCHESTER               63 MPH    0857 PM 06/16   MEASURED(CHASER)  
HARLAN AIRPORT               62 MPH    0835 PM 06/16   41.59N/95.34W          
OMAHA EPPLEY AIRFIELD        60 MPH    0804 PM 06/16   41.30N/95.89W          
2 WSW FAIRBURY               58 MPH    1157 PM 06/16   40.13N/97.21W          
GRETNA (4 ENE)               55 MPH    0757 PM 06/16   POWER WENT OUT  
HARBINE                      55 MPH    0812 PM 06/16   40.19N/96.98W          
MILLARD                      54 MPH    0759 PM 06/16   41.21N/96.17W          
2 WSW OFFUTT AFB             53 MPH    0803 PM 06/16   41.10N/95.96W          
1 S WASHINGTON               53 MPH    0755 PM 06/16   41.37N/96.21W          
FREMONT AIRPORT              52 MPH    0715 PM 06/16   41.45N/96.52W          
2 N FIRTH                    51 MPH    0915 PM 06/16   40.57N/96.61W          
4 NNE MEMPHIS                51 MPH    0800 PM 06/16   41.16N/96.41W          
4 WSW KENNARD                50 MPH    0725 PM 06/16   41.44N/96.27W          
MILLARD AIRPORT              49 MPH    0755 PM 06/16   41.20N/96.12W          
BLAIR AIRPORT                48 MPH    0755 PM 06/16   41.41N/96.11W          
3 E FRIEND                   48 MPH    0849 PM 06/16   40.66N/97.22W          
PISGAH                       48 MPH    0811 PM 06/16   41.83N/95.93W          
NEBRASKA CITY AIRPORT        47 MPH    0915 PM 06/16   40.61N/95.87W          
1 WNW DUNCAN                 47 MPH    0715 PM 06/16   41.40N/97.52W          
OMAHA                        46 MPH    0814 PM 06/16   41.26N/96.01W          
CLARINDA AIRPORT             46 MPH    0935 PM 06/16   40.72N/95.03W          
3 E PLYMOUTH                 46 MPH    0935 PM 06/16   40.31N/96.93W          
WAHOO AIRPORT                44 MPH    0730 PM 06/16   41.23N/96.60W          
RED OAK AIRPORT              43 MPH    0855 PM 06/16   41.01N/95.26W          
5 SSW BLENCOE                43 MPH    0650 PM 06/16   41.87N/96.10W          
2 ENE GRETNA                 42 MPH    0755 PM 06/16   41.16N/96.19W          
3 E JULIAN                   41 MPH    0915 PM 06/16   40.53N/95.80W          
2 S MURRAY                   41 MPH    0820 PM 06/16   40.89N/95.93W          
JULIAN                       40 MPH    0927 PM 06/16   40.51N/95.86W          
COUNCIL BLUFFS AIRPORT       39 MPH    0815 PM 06/16   41.26N/95.76W          
2 ESE OMAHA                  39 MPH    0810 PM 06/16   41.24N/95.97W          
TEKAMAH AIRPORT              39 MPH    0716 PM 06/16   41.76N/96.18W          
5 N ROCA                     38 MPH    0847 PM 06/16   40.73N/96.67W          
SHENANDOAH AIRPORT           38 MPH    0855 PM 06/16   40.77N/95.41W          
ALBION AIRPORT               37 MPH    0555 PM 06/16   41.73N/98.06W          
3 NNE GRETNA                 37 MPH    0753 PM 06/16   41.18N/96.23W          
2 E ITHACA                   37 MPH    0800 PM 06/16   41.15N/96.49W          
2 SSE EAGLE                  36 MPH    0954 PM 06/16   40.78N/96.42W          
FALLS CITY AIRPORT           36 MPH    1002 PM 06/16   40.08N/95.59W          
PLATTSMOUTH AIRPORT          36 MPH    0815 PM 06/16   40.95N/95.92W          
        
  
OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING  
EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS   
FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.

SPC Event Archive

Photos

Sarpy and Mills County Damage Photos:


(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)

(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)

(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)

Wayne County (near Hoskins) Damage Photos:


(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)

Gage County Damage Photos:


(source: NWS Omaha)	(source: NWS Omaha)	(source: NWS Omaha)

(source: NWS Omaha)	Bin damage in Holmesville (source: NWS Omaha)

Hooper Damage Photos:


(source: NWS Omaha)	(source: NWS Omaha)

Radar Data


Reflectivity Loop	Storm-Relative Velocity Loop	Base Velocity Loop	Reflectivity Mosaic

GOES-16 Visible Satellite

GOES-16 visible satellite loop from 3 PM to just before 9 PM. These data are considered preliminary and non-operational.

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
121 AM CDT SAT JUN 17 2017

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

0423 PM     HAIL             BRUNSWICK               42.34N 97.97W
06/16/2017  M1.00 INCH       ANTELOPE           NE   CO-OP OBSERVER

0447 PM     TORNADO          8 N MEADOW GROVE        42.14N 97.75W
06/16/2017                   PIERCE             NE   TRAINED SPOTTER

0458 PM     HAIL             6 ENE NELIGH            42.18N 97.93W
06/16/2017  M1.25 INCH       ANTELOPE           NE   STORM CHASER

0515 PM     TSTM WND DMG     4 NE HOSKINS            42.15N 97.25W
06/16/2017                   WAYNE              NE   PUBLIC

            GRAIN BIN DESTROYED.

0518 PM     HAIL             6 W NORFOLK             42.03N 97.54W
06/16/2017  M1.75 INCH       MADISON            NE   TRAINED SPOTTER

0523 PM     HAIL             1 N BATTLE CREEK        42.01N 97.60W
06/16/2017  M1.75 INCH       MADISON            NE   TRAINED SPOTTER

0532 PM     TORNADO          3 ESE HOSKINS           42.10N 97.25W
06/16/2017                   WAYNE              NE   EMERGENCY MNGR

            NEAR THE WAYNE/STANTON COUNTY LINE, FARM HIT AROUND 532
            PM AND ENDED BY 537 PM. A SECOND TORNADO WAS SEEN TO THE
            SOUTH IN PASTURE LAND BUT DID NOT SEEM TO HIT ANYTHING.

0537 PM     TSTM WND GST     4 S NORFOLK             41.98N 97.43W
06/16/2017  M71.00 MPH       MADISON            NE   ASOS

0538 PM     TSTM WND GST     4 S NORFOLK             41.98N 97.43W
06/16/2017  M74.00 MPH       MADISON            NE   ASOS

0549 PM     HAIL             5 S NORFOLK             41.96N 97.42W
06/16/2017  M1.00 INCH       MADISON            NE   STORM CHASER

0553 PM     TORNADO          6 E MADISON             41.82N 97.35W
06/16/2017                   STANTON            NE   STORM CHASER

0556 PM     TORNADO          6 E MADISON             41.83N 97.34W
06/16/2017                   STANTON            NE   STORM CHASER

            INTERMITTENT VORTICES.

0615 PM     HAIL             NEWMAN GROVE            41.75N 97.78W
06/16/2017  E1.50 INCH       MADISON            NE   PUBLIC

0618 PM     HAIL             5 S LINDSAY             41.63N 97.69W
06/16/2017  M1.00 INCH       PLATTE             NE   STORM CHASER

0623 PM     TSTM WND DMG     1 N CRESTON             41.72N 97.36W
06/16/2017                   PLATTE             NE   STORM CHASER

            ROOF BLOWN OFF BUILDING. WINDS ESTIMATED AT 60 MPH.

0630 PM     HAIL             LINDSAY                 41.70N 97.69W
06/16/2017  M1.00 INCH       PLATTE             NE   NWS EMPLOYEE

0645 PM     HAIL             8 NE MONROE             41.56N 97.49W
06/16/2017  E1.25 INCH       PLATTE             NE   STORM CHASER

0649 PM     HAIL             5 NNE GENOA             41.51N 97.70W
06/16/2017  M2.00 INCH       PLATTE             NE   STORM CHASER

0650 PM     HAIL             5 NNE GENOA             41.51N 97.70W
06/16/2017  M2.50 INCH       PLATTE             NE   STORM CHASER

0654 PM     HAIL             MONROE                  41.47N 97.60W
06/16/2017  M1.75 INCH       PLATTE             NE   EMERGENCY MNGR

0700 PM     HAIL             COLUMBUS                41.43N 97.36W
06/16/2017  E1.00 INCH       PLATTE             NE   PUBLIC

0710 PM     TSTM WND GST     HOOPER                  41.61N 96.55W
06/16/2017  E80.00 MPH       DODGE              NE   TRAINED SPOTTER

            NUMEROUS STREET SIGNS BLOWN DOWN.

0712 PM     TSTM WND GST     HOOPER                  41.61N 96.55W
06/16/2017  E75.00 MPH       DODGE              NE   TRAINED SPOTTER

0714 PM     TSTM WND DMG     FREMONT                 41.44N 96.49W
06/16/2017                   DODGE              NE   TRAINED SPOTTER

            TREE BRANCHES BLOWN DOWN.

0714 PM     TSTM WND GST     3 ENE HOOPER            41.63N 96.50W
06/16/2017  E80.00 MPH       DODGE              NE   STORM CHASER

0715 PM     TSTM WND DMG     5 N FREMONT             41.51N 96.49W
06/16/2017                   DODGE              NE   TRAINED SPOTTER

            TREES AND POWER LINES BLOWN DOWN.

0717 PM     TSTM WND GST     FREMONT                 41.44N 96.49W
06/16/2017  E60.00 MPH       DODGE              NE   TRAINED SPOTTER

0723 PM     TSTM WND DMG     FREMONT                 41.44N 96.49W
06/16/2017                   DODGE              NE   TRAINED SPOTTER

            SEVERAL TREES AND POWERLINES DOWN

0725 PM     TSTM WND GST     2 NW FREMONT            41.46N 96.52W
06/16/2017  M110 MPH         DODGE              NE   STORM CHASER

0732 PM     TSTM WND GST     1 NW VALLEY             41.32N 96.36W
06/16/2017  M63.00 MPH       DOUGLAS            NE   OFFICIAL NWS OBS

            AT THE NWS OFFICE.

0735 PM     TSTM WND DMG     YUTAN                   41.24N 96.40W
06/16/2017                   SAUNDERS           NE   NWS EMPLOYEE

            FENCE BLOWN DOWN.

0735 PM     TSTM WND GST     OMAHA                   41.26N 96.01W
06/16/2017  M104 MPH         DOUGLAS            NE   TRAINED SPOTTER

            173RD AND F. NUMEROUS TREES DOWN AND TRANSFORMERS

0736 PM     TSTM WND GST     1 NW VALLEY             41.32N 96.36W
06/16/2017  M88.00 MPH       DOUGLAS            NE   OFFICIAL NWS OBS

            AT THE NWS OFFICE.

0740 PM     TSTM WND GST     ELKHORN                 41.28N 96.24W
06/16/2017  E70.00 MPH       DOUGLAS            NE   NWS EMPLOYEE

0740 PM     TSTM WND GST     LITTLE SIOUX            41.81N 96.03W
06/16/2017  E60.00 MPH       HARRISON           IA   CO-OP OBSERVER

0748 PM     TSTM WND GST     3 NNE GRETNA            41.17N 96.21W
06/16/2017  E85.00 MPH       SARPY              NE   PUBLIC

0750 PM     TSTM WND DMG     2 W MILLARD             41.21N 96.19W
06/16/2017                   DOUGLAS            NE   PUBLIC

            TREES DOWN.

0750 PM     TSTM WND GST     DAVID CITY              41.25N 97.13W
06/16/2017  E50.00 MPH       BUTLER             NE   EMERGENCY MNGR

0753 PM     TSTM WND DMG     ASHLAND                 41.04N 96.37W
06/16/2017                   SAUNDERS           NE   STORM CHASER

            NUMEROUS TREES DOWN AND DAMAGE TO COUNTRY CLUB

0755 PM     TSTM WND GST     GRETNA                  41.14N 96.24W
06/16/2017  E70.00 MPH       SARPY              NE   NWS EMPLOYEE

0755 PM     TSTM WND GST     GRETNA                  41.14N 96.24W
06/16/2017  E70.00 MPH       SARPY              NE   TRAINED SPOTTER

0755 PM     TSTM WND DMG     OMAHA                   41.26N 96.01W
06/16/2017                   DOUGLAS            NE   TRAINED SPOTTER

            132ND AND HARRISON AREA. BIG TREES DOWN ALONG WITH
            SEVERAL FENCES IN THE NEIGHBOOD.

0755 PM     TSTM WND DMG     WOODBINE                41.74N 95.71W
06/16/2017                   HARRISON           IA   EMERGENCY MNGR

            ROOF BLOWN OFF INDUSTRIAL BUILDING. WIDESPREAD TREE
            DAMAGE, IN TOWN, AND WEST OF TOWN.

0758 PM     TSTM WND GST     1 S GRETNA              41.13N 96.24W
06/16/2017  E80.00 MPH       SARPY              NE   TRAINED SPOTTER

0759 PM     TSTM WND GST     OMAHA                   41.26N 96.01W
06/16/2017  M72.00 MPH       DOUGLAS            NE   TRAINED SPOTTER

            132ND AND CORNHUSKER

0759 PM     TSTM WND GST     4 SSW GRETNA            41.09N 96.27W
06/16/2017  M74.00 MPH       SARPY              NE   TRAINED SPOTTER

0800 PM     TSTM WND DMG     COUNCIL BLUFFS          41.24N 95.86W
06/16/2017                   POTTAWATTAMIE      IA   PUBLIC

            ROOF DAMAGED FROM 5 INCH LIMB BLOWN ONTO HOME.

0800 PM     TSTM WND DMG     PAPILLION               41.16N 96.04W
06/16/2017                   SARPY              NE   TRAINED SPOTTER

            WIDEPSREAD TREE AND FENCE DAMAGE.

0804 PM     TSTM WND GST     5 NNW COUNCIL BLUFFS    41.30N 95.90W
06/16/2017  M60.00 MPH       DOUGLAS            NE   ASOS

            AT OMAHA AIRPORT.

0806 PM     TSTM WND GST     PAPILLION               41.16N 96.04W
06/16/2017  E70.00 MPH       SARPY              NE   TRAINED SPOTTER

0810 PM     TSTM WND DMG     S OFFUTT AFB            41.11N 95.92W
06/16/2017                   SARPY              NE   AMATEUR RADIO

            TREES TOPPED AND CONSIDERABLE ROOF DAMAGE.

0810 PM     TSTM WND DMG     1 SW OFFUTT AFB         41.10N 95.93W
06/16/2017                   SARPY              NE   BROADCAST MEDIA

            SIGNIFICANT DAMAGE TO MULTIPLE HOMES IN THE HYDA HILLS
            NEIGHBORHOOD.

0810 PM     TSTM WND GST     BELLEVUE                41.16N 95.92W
06/16/2017  E80.00 MPH       SARPY              NE   PUBLIC

0815 PM     TSTM WND DMG     BRANCHED OAK STATE RECR 40.97N 96.87W
06/16/2017                   LANCASTER          NE   AMATEUR RADIO

            MAJOR TREE DAMAGE.

0815 PM     TSTM WND DMG     PLATTSMOUTH             41.01N 95.89W
06/16/2017                   CASS               NE   EMERGENCY MNGR

            *** 4 INJ *** SUBSTANTIAL DAMAGE IN THE TOWN. TREES DOWN
            ON MOST ROADS. POWERLINES BLOWN DOWN. NO POWER BETWEEN
            LOUISVILLE AND PLATTSMOUTH AND WEEPING WATER. COUNTY
            MAINTENANCE BUILDING DESTROYED. SEVERAL FARMSTEADS ALONG
            HIGHWAY 66 DESTROYED. 3 INJURIES IN PLATTSMOUTH, 1 INJURY
            AT LOUISVILLE STATE PARK. TIME ESTIMATED.

0815 PM     TSTM WND DMG     3 W PACIFIC JUNCTION    41.02N 95.86W
06/16/2017                   MILLS              IA   TRAINED SPOTTER

            LARGE TREES BLOWN DOWN. WINDOWS ON HOUSE BROKEN.

0821 PM     HAIL             FRIEND                  40.65N 97.28W
06/16/2017  M0.88 INCH       SALINE             NE   EMERGENCY MNGR

0825 PM     HAIL             GARLAND                 40.94N 96.99W
06/16/2017  M1.00 INCH       SEWARD             NE   EMERGENCY MNGR

0835 PM     TSTM WND DMG     2 S THURMAN             40.79N 95.75W
06/16/2017                   FREMONT            IA   TRAINED SPOTTER

            VERY LARGE TREES BLOCKING THE ROAD

0835 PM     HAIL             PLEASANT DALE           40.79N 96.93W
06/16/2017  M2.00 INCH       SEWARD             NE   TRAINED SPOTTER

0835 PM     TSTM WND GST     MALCOLM                 40.91N 96.87W
06/16/2017  E70.00 MPH       LANCASTER          NE   AMATEUR RADIO

0835 PM     TSTM WND GST     5 S HARLAN              41.58N 95.34W
06/16/2017  M62.00 MPH       SHELBY             IA   AWOS

0837 PM     TSTM WND GST     4 NW LINCOLN            40.86N 96.75W
06/16/2017  M87.00 MPH       LANCASTER          NE   ASOS

            AT THE LINCOLN AIRPORT.

0838 PM     TSTM WND DMG     3 W OAKLAND             41.31N 95.45W
06/16/2017                   POTTAWATTAMIE      IA   PUBLIC

            TREES DOWN ONTO ROAD. TIME ESTIMATED

0840 PM     HAIL             LINCOLN                 40.82N 96.69W
06/16/2017  E2.50 INCH       LANCASTER          NE   EMERGENCY MNGR

            ALSO 60 MPH WIND.

0840 PM     TSTM WND DMG     LINCOLN                 40.82N 96.69W
06/16/2017                   LANCASTER          NE   AMATEUR RADIO

            SEVERAL SEMIS TIPPED OVER JUST EAST OF 27TH STREET ON
            I-80. WATER OVER ROADS JUST SOUTH OF THERE AS WELL.

0848 PM     HAIL             LINCOLN                 40.82N 96.69W
06/16/2017  M1.00 INCH       LANCASTER          NE   PUBLIC

            AT 48TH AND HIGHWAY 2. 60 MPH WINDS ALSO.

0849 PM     TSTM WND DMG     LINCOLN                 40.82N 96.69W
06/16/2017                   LANCASTER          NE   EMERGENCY MNGR

            NUMEORUS REPORTS OF TREES AND POWER LINES DOWN.

0849 PM     TSTM WND DMG     3 E THURMAN             40.82N 95.69W
06/16/2017                   FREMONT            IA   TRAINED SPOTTER

            SEVERAL TREES DOWN. ESTIMATED 60 MPH

0850 PM     TSTM WND DMG     LINCOLN                 40.82N 96.69W
06/16/2017                   LANCASTER          NE   AMATEUR RADIO

            SEVERAL SEMIS FLIPPED IN LINCOLN.

0857 PM     TSTM WND GST     4 S DORCHESTER          40.59N 97.11W
06/16/2017  M63.00 MPH       SALINE             NE   STORM CHASER

0904 PM     TSTM WND GST     5 S DORCHESTER          40.58N 97.11W
06/16/2017  E60.00 MPH       SALINE             NE   STORM CHASER

0905 PM     TSTM WND DMG     WILBER                  40.48N 96.96W
06/16/2017                   SALINE             NE   EMERGENCY MNGR

            TWO HOMES DAMAGED FROM WIND ON WEST SIDE OF TOWN. ALSO A
            COUPLE OF HOMES HAD LIGHTNING DAMAGE.

0905 PM     TSTM WND DMG     CLATONIA                40.46N 96.85W
06/16/2017                   GAGE               NE   EMERGENCY MNGR

            MOBILE HOME LOST ROOF, NORTH SIDE OF TOWN. TIME
            ESTIMATED.

0905 PM     TSTM WND DMG     GRANT                   41.14N 94.99W
06/16/2017                   MONTGOMERY         IA   EMERGENCY MNGR

            TREES AND POWER LINES DOWN. TIME ESTIMATED

0906 PM     HAIL             CRETE                   40.63N 96.96W
06/16/2017  M1.25 INCH       SALINE             NE   PUBLIC

0913 PM     TSTM WND GST     WILBER                  40.48N 96.96W
06/16/2017  M65.00 MPH       SALINE             NE   STORM CHASER

0915 PM     TSTM WND DMG     2 E STERLING            40.46N 96.34W
06/16/2017                   JOHNSON            NE   TRAINED SPOTTER

            VERY LARGE TREES UPROOTED. POWER LINES BLOWN DOWN.

0920 PM     HAIL             8 S FRIEND              40.54N 97.28W
06/16/2017  M0.88 INCH       SALINE             NE   TRAINED SPOTTER

            UP TO NICKEL SIZE HAIL

0921 PM     HAIL             8 S FRIEND              40.54N 97.28W
06/16/2017  E0.88 INCH       SALINE             NE   TRAINED SPOTTER

0934 PM     TSTM WND GST     5 W BEATRICE            40.27N 96.84W
06/16/2017  M80.00 MPH       GAGE               NE   TRAINED SPOTTER

            HALF INCH HAIL. SUBSTANTIAL TREE AND POWER LINE DAMAGE.
            PIVOTS FLIPPED.

0935 PM     TSTM WND DMG     5 NW BEATRICE           40.32N 96.81W
06/16/2017                   GAGE               NE   STORM CHASER

            TREES BLOWN DOWN ONTO THE ROAD.

0935 PM     TSTM WND DMG     BEATRICE                40.27N 96.75W
06/16/2017                   GAGE               NE   EMERGENCY MNGR

            TREE AND POWER LINE DAMAGE IN TOWN. TIME ESTIMATED

0939 PM     TSTM WND GST     6 NW BEATRICE           40.33N 96.83W
06/16/2017  E100 MPH         GAGE               NE   STORM CHASER

0940 PM     TSTM WND DMG     6 E PLYMOUTH            40.30N 96.87W
06/16/2017                   GAGE               NE   STORM CHASER

            POWER POLES AND TREES SNAPPED.

0942 PM     TSTM WND GST     6 E PLYMOUTH            40.30N 96.87W
06/16/2017  E80.00 MPH       GAGE               NE   STORM CHASER

0942 PM     HEAVY RAIN       SIDNEY                  40.75N 95.64W
06/16/2017  M3.00 INCH       FREMONT            IA   TRAINED SPOTTER

0947 PM     TSTM WND GST     3 N BEATRICE            40.31N 96.75W
06/16/2017  M85.00 MPH       GAGE               NE   ASOS

0948 PM     TSTM WND DMG     PERU                    40.48N 95.73W
06/16/2017                   NEMAHA             NE   EMERGENCY MNGR

            MEDIUM LIMBS BLOWN DOWN.

1011 PM     HAIL             3 E ALEXANDRIA          40.25N 97.33W
06/16/2017  E1.75 INCH       JEFFERSON          NE   TRAINED SPOTTER

1019 PM     HAIL             6 NW FAIRBURY           40.20N 97.26W
06/16/2017  E1.75 INCH       JEFFERSON          NE   EMERGENCY MNGR

1021 PM     HAIL             6 W FAIRBURY            40.14N 97.29W
06/16/2017  M1.00 INCH       JEFFERSON          NE   TRAINED SPOTTER

1026 PM     HAIL             4 W FAIRBURY            40.14N 97.25W
06/16/2017  E1.75 INCH       JEFFERSON          NE   EMERGENCY MNGR

1027 PM     TSTM WND GST     2 SW FAIRBURY           40.12N 97.20W
06/16/2017  M58.00 MPH       JEFFERSON          NE   EMERGENCY MNGR

            CRYSTAL SPRINGS WEATHER STATION.

1045 PM     HAIL             REYNOLDS                40.06N 97.34W
06/16/2017  E2.75 INCH       JEFFERSON          NE   TRAINED SPOTTER

            GOLF BALL TO BASEBALL SIZE HAIL.


&&

Rain Reports

Environment

Synoptic Overview at 12z (courtesy of SPC)


Figure 1: 250-mb analysis	Figure 2: 300-mb analysis	Figure 3: 500-mb analysis


Figure 4: 700-mb analysis	Figure 5: 850-mb analysis	Figure 6: 925-mb analysis

Synoptic Overview at 00z (courtesy of SPC)


Figure 7: 250-mb analysis	Figure 8: 300-mb analysis	Figure 9: 500-mb analysis


Figure 10: 700-mb analysis	Figure 11: 850-mb analysis	Figure 12: 925-mb analysis

Surface Map (courtesy of WPC)


Figure 13: 15z surface map	Figure 14: 18z surface map	Figure 15: 21z surface map


Figure 16: 00z surface map	Figure 17: 03z surface map	Figure 18: 06z surface map

Observed Soundings


Figure 19: 12z Omaha, NE sounding	Figure 20: 21z Omaha, NE sounding	Figure 21: 00z Omaha, NE sounding

Figure 22: 12z Topeka, KS sounding	Figure 23: 21z Topeka, KS sounding	Figure 24: 00z Topeka, KS sounding

Mesoanalysis


Figure 25: 500-mb heights, vorticity, and vorticity advection at 21z. Note the weak impulse embedded in the northwest flow across southern SD into northern NE.	Figure 26: Surface pressure, wind, temperature and frontogenesis (red) at 21z. Storms initiated near the surface triple point over north-central NE.	Figure 27: Surface pressure, wind, temperature and dewpoint at 21z. Note the strong heating to the west of the dryline across western into central NE. This heating coupled with convergence along the boundaries and the influence of the mid-level impulse (Fig. 25) likely all contributed to the storm formation.

Figure 28: muCAPE and effective bulk shear at 21z. Note the overlap of strong instability and vertical shear across much of eastern NE and southwest IA.	Figure 29: Supercell Composite Parameter (SCP) at 21z. The most favorable environment for supercells existed near the surface triple point at that time.	Figure 30: Effective storm-relative helicity at 21z. Low-level shear was maximized near the surface front where winds were locally backed.

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Heavy Rain and Flooding Threat in the Ohio Valley

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