Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
Overview
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Severe thunderstorms developed in Montana during the evening of July 4th, then moved into northwestern South Dakota during the early morning hours of July 5th. The storms intensified around daybreak on July 5th, as they encountered a more favorable environment for severe storms. The storms started out as supercells and then evolved into a derecho, with embedded supercells at times, as it moved through Hand and Hyde counties. The significant severe storms tracked southeast across central South Dakota, into southeastern South Dakota, and eventually into northern Iowa, while producing winds up to 91 mph and hail to the size of softballs in central South Dakota. This led to widespread damage to trees, grain bins, crops, and vehicles in the path of the storms. A derecho is a widespread, long-lived wind storm that produces wind damage for at least 400 miles and is at least 60 miles wide. The wind gusts produced by a derecho must be at least 58 mph for most of its length, along with several 75 mph or great gusts. For more information about derechos, check out this webpage from the Storm Prediction Center. |
 Storm Reports received on July 5th. |
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| MODIS Satellite imagery from before and after the storm, showing a scattering of hail scarring across the countryside. | Promise, SD - Softball Sized Hail - Photo from Sara Mowrer | Convective Warnings that were issued during the event - Image created by NWS Sioux Falls, SD |
Wind & Hail:
Wind
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| KELO Webcam showing the storm moving into Miller, SD | Tree uprooted in Miller, SD - Photo from KCCR Radio | Tree damage in Miller, SD - Photo from KCCR Radio | Damaged grain bins 4 miles to the north of Onida, SD - Photo from KCCR Radio |
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| Damage to a building 6 miles north of Isabel, SD - Photo from Marisa Lindskov | Peak wind gusts that were measured across the region on July 5, 2022 |
Hail
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| MRMS Maximum Estimated Hail Size - North Central South Dakota Zoom | MRMS Maximum Estimated Hail Size - Zoomed in on Hand and Hyde Counties in South Dakota | Softball sized hail 2 Miles North of Timber Lake, SD - Photo from Grady Kraft | Hail damage to window 2 Miles North of Timber Lake, SD - Photo from Grady Kraft |
Radar
Radar Loop from July 5th, 2022
Additional Radar Images
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| 9:13 AM MDT radar Image of the storm as it was producing 4" hail in Promise, SD. The left panel is reflectivity and the right is the radar estimate of hail size. | 11:25 AM CDT radar Image of the storm as it was producing a 91 mph wind gust to the north of Agar, SD. The left panel is the radar reflectivity and the right panel is the velocity. | 12:14 PM CDT radar Image as the storm was moving through Highmore. A 78 mph wind gusts was reported via the SD Mesonet and a roof was blown off a home. | 12:39 PM CDT radar Image as the storm was approaching Miller, SD. The storm produced 87 mph winds in Ree Heights and tree damage through Miller, SD. Reflectivity is in the left panel and velocity in the right. |
Storm Reports
Below is a listing of storm reports. Find an interactive map of this same information from the SPC here.
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE ABERDEEN SD
824 PM CDT TUE JUL 5 2022
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0905 AM TSTM WND DMG 6 NNW ISABEL 45.48N 101.48W
07/05/2022 CORSON SD PUBLIC
MANY TREES UPROOTED.
0910 AM TSTM WND DMG 6 N ISABEL 45.48N 101.43W
07/05/2022 CORSON SD PUBLIC
DAMAGE PICTURE RELAYED VIA SOCIAL MEDIA.
EXTENSIVE DAMAGE TO LARGE OUTDOOR STORAGE
BUILDING. TIME APPROXIMATED BY RADAR.
0915 AM TSTM WND DMG 4 N ISABEL 45.45N 101.43W
07/05/2022 DEWEY SD TRAINED SPOTTER
EXTENSIVE DAMAGE NORTH OF ISABEL. DAMAGE TO
TREES, TREES UPROOTED, BROKEN HOUSE AND
VEHICLE WINDOWS, MACHINE SHED DESTROYED,
GRAIN BINS DESTROYED, COMPLETE LOSS OF CROPS
IN SOME AREAS. TIME ESTIMATED ON RADAR.
0920 AM HAIL 4 NE FIRESTEEL 45.47N 101.23W
07/05/2022 E2.50 INCH DEWEY SD TRAINED SPOTTER
WINDS ESTIMATED AT 70-80 MPH. SKYLIGHTS
BROKE OUT OF HOUSE. DAMAGE TO PVC FENCE.
TREE BRANCHES DOWN.
0937 AM HAIL 2 N TIMBER LAKE 45.46N 101.07W
07/05/2022 E4.00 INCH DEWEY SD PUBLIC
RELAYED VIA SOCIAL MEDIA PICTURE, COMPARING
TO DOLLAR BILL. TIME ESTIMATED BY RADAR.
0940 AM TSTM WND GST 1 SSW TIMBER LAKE 45.42N 101.08W
07/05/2022 M84 MPH DEWEY SD MESONET
SDSU MESONET.
0955 AM HAIL 1 SSE GLENCROSS 45.43N 100.91W
07/05/2022 E1.75 INCH DEWEY SD TRAINED SPOTTER
HEAVY RAIN, OUT OF ELECTRICITY FOR 30
MINUTES.
1013 AM HAIL PROMISE 45.33N 100.60W
07/05/2022 E4.00 INCH DEWEY SD PUBLIC
2.5 INCHES OF RAIN FELL AS WELL.
1031 AM TSTM WND GST 1 NE RIDGEVIEW 45.09N 100.79W
07/05/2022 M62 MPH DEWEY SD MESONET
MESONET STATION 204 RIDGEVIEW (SDDOT).
1055 AM TSTM WND GST 9 ENE MISSION RIDGE 44.74N 100.62W
07/05/2022 E66 MPH SULLY SD PUBLIC
PERSONAL WEATHER STATION.
1109 AM TSTM WND GST 3 SSW WHITLOCKS BAY REC 45.01N 100.29W
07/05/2022 M71 MPH POTTER SD MESONET
MESONET STATION 157 FOREST CITY (SDDOT).
1115 AM TSTM WND GST 1 WSW OVERLOOK REC AREA 44.45N 100.40W
07/05/2022 E60 MPH STANLEY SD NWS EMPLOYEE
OCCURRED AT OAHE DAM.
1121 AM TSTM WND GST 4 N AGAR 44.90N 100.08W
07/05/2022 M75 MPH POTTER SD MESONET
MESONET STATION 212 AGAR (SDDOT).
1126 AM TSTM WND GST 4 N AGAR 44.90N 100.08W
07/05/2022 M91 MPH POTTER SD MESONET
MESONET STATION 212 AGAR (SDDOT).
1135 AM TSTM WND GST 7 ENE ONIDA 44.74N 99.93W
07/05/2022 M77 MPH SULLY SD TRAINED SPOTTER
PERSONAL WEATHER STATION.
1153 AM TSTM WND GST 1 E PIERRE REGIONAL AIR 44.38N 100.28W
07/05/2022 M59 MPH HUGHES SD ASOS
ASOS STATION KPIR PIERRE MUNI AP.
1157 AM TSTM WND GST 9 NNW VIVIAN 44.05N 100.33W
07/05/2022 M69 MPH LYMAN SD MESONET
MESONET STATION 13 VIVIAN (SDDOT).
1205 PM TSTM WND GST 4 WSW BLUNT 44.50N 100.07W
07/05/2022 M58 MPH HUGHES SD MESONET
MESONET STATION 185 BLUNT (SDDOT).
1210 PM TSTM WND GST 1 SE PIERRE REGIONAL AI 44.38N 100.29W
07/05/2022 M60 MPH HUGHES SD MESONET
MESONET STATION DVI01443 PIERRE.
1210 PM HAIL 5 N HIGHMORE 44.59N 99.46W
07/05/2022 E1.75 INCH HYDE SD TRAINED SPOTTER
ALSO HAD 60 MPH WINDS.
1215 PM TSTM WND GST 1 NW HIGHMORE 44.53N 99.46W
07/05/2022 M78 MPH HYDE SD MESONET
SD MESONET STATION HIHS2.
1215 PM TSTM WND DMG HIGHMORE 44.52N 99.44W
07/05/2022 HYDE SD TRAINED SPOTTER
ROOF BLOWN OFF HOME.
1216 PM TSTM WND GST 17 W POLO 44.78N 99.45W
07/05/2022 M74 MPH HYDE SD MESONET
MESONET STATION 215 JCT SD47/SD26 (SDDOT).
1233 PM TSTM WND GST 1 N REE HEIGHTS 44.53N 99.20W
07/05/2022 M84 MPH HAND SD MESONET
MESONET STATION 312 REE HEIGHTS (SDDOT).
1236 PM TSTM WND GST 17 W POLO 44.78N 99.45W
07/05/2022 M65 MPH HYDE SD MESONET
MESONET STATION 215 JCT SD47/SD26 (SDDOT).
1238 PM TSTM WND GST 1 N REE HEIGHTS 44.53N 99.20W
07/05/2022 M87 MPH HAND SD MESONET
MESONET STATION 312 REE HEIGHTS (SDDOT).
1242 PM TSTM WND GST MILLER DALE COLONY 44.40N 99.11W
07/05/2022 M62 MPH HAND SD TRAINED SPOTTER
PERSONAL WEATHER STATION.
1244 PM TSTM WND GST 1 NE STEPHAN 44.26N 99.44W
07/05/2022 M63 MPH HYDE SD MESONET
MESONET STATION 183 MACS CORNER (SDDOT).
1250 PM TSTM WND GST MILLER 44.52N 98.99W
07/05/2022 M68 MPH HAND SD PUBLIC
1251 PM TSTM WND GST 17 W POLO 44.78N 99.45W
07/05/2022 M66 MPH HYDE SD MESONET
MESONET STATION 215 JCT SD47/SD26 (SDDOT).
1251 PM TSTM WND GST 5 E ORIENT 44.90N 98.98W
07/05/2022 M59 MPH HAND SD MESONET
MESONET STATION 158 MIRANDA (SDDOT).
1251 PM TSTM WND GST 1 NNW LEES CORNER 44.08N 99.33W
07/05/2022 M59 MPH BUFFALO SD MESONET
MESONET STATION 289 LEES CORNER (SDDOT).
1253 PM TSTM WND GST 1 N REE HEIGHTS 44.53N 99.20W
07/05/2022 M65 MPH HAND SD MESONET
MESONET STATION 312 REE HEIGHTS (SDDOT).
1254 PM TSTM WND GST 1 NE STEPHAN 44.26N 99.44W
07/05/2022 M66 MPH HYDE SD MESONET
MESONET STATION 183 MACS CORNER (SDDOT).
1255 PM TSTM WND GST 2 W OACOMA 43.80N 99.42W
07/05/2022 M58 MPH LYMAN SD MESONET
VIA SD MESONET OCMS2.
0100 PM TSTM WND DMG MILLER 44.52N 98.99W
07/05/2022 HAND SD EMERGENCY MNGR
TREES UPROOTED AND MAJOR TREE LIMB DAMAGE IN
TOWN.
0106 PM TSTM WND GST 5 E ORIENT 44.90N 98.98W
07/05/2022 M61 MPH HAND SD MESONET
MESONET STATION 158 MIRANDA (SDDOT).
0117 PM TSTM WND GST 12 ESE SUNSHINE BIBLE A 44.24N 98.77W
07/05/2022 M77 MPH HAND SD MESONET
MESONET STATION RHUS2 DANFORTH 5 E. TIME
ESTIMATED VIA RADAR.
0124 PM TSTM WND GST 1 NE STEPHAN 44.26N 99.44W
07/05/2022 M70 MPH HYDE SD MESONET
MESONET STATION 183 MACS CORNER (SDDOT).
0126 PM TSTM WND GST 1 NNW LEES CORNER 44.08N 99.33W
07/05/2022 M59 MPH BUFFALO SD MESONET
MESONET STATION 289 LEES CORNER (SDDOT).
0141 PM TSTM WND GST 1 NNW LEES CORNER 44.08N 99.33W
07/05/2022 M60 MPH BUFFALO SD MESONET
MESONET STATION 289 LEES CORNER (SDDOT).
0149 PM NON-TSTM WND GST 1 NE STEPHAN 44.26N 99.44W
07/05/2022 M66 MPH HYDE SD MESONET
MESONET STATION 183 MACS CORNER (SDDOT).
WAKE LOW WINDS.
0154 PM NON-TSTM WND GST 1 NE STEPHAN 44.26N 99.44W
07/05/2022 M60 MPH HYDE SD MESONET
MESONET STATION 183 MACS CORNER (SDDOT).
WAKE LOW WINDS.
0159 PM TSTM WND GST 9 SSE SPINK COLONY 44.63N 98.22W
07/05/2022 M62 MPH SPINK SD MESONET
MESONET STATION 284 JCT SD28/SD37 (SDDOT).
0201 PM NON-TSTM WND GST 3 N GANN VALLEY 44.08N 98.99W
07/05/2022 M73 MPH BUFFALO SD MESONET
MESONET STATION 201 GANN VALLEY (SDDOT).
WAKE LOW WINDS.
0201 PM NON-TSTM WND GST 1 NNW LEES CORNER 44.08N 99.33W
07/05/2022 M59 MPH BUFFALO SD MESONET
MESONET STATION 289 LEES CORNER (SDDOT).
WAKE LOW WINDS.
0219 PM NON-TSTM WND GST 3 SE RELIANCE 43.85N 99.56W
07/05/2022 M62 MPH LYMAN SD MESONET
MESONET STATION 54 RELIANCE (SDDOT). WAKE
LOW WINDS.
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