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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Thunderstorms originating in Montana moved into the western Dakotas while organizing into a squall line and producing winds up to 70 mph. Over time, this squall line began to bow out and generated a concentrated corridor of 80 to 100+ mph straight-line wind gusts over portions of west central to central South Dakota. |
Credit: KCCR Pierre |
Photos
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| Small sheds flipped over. Photo credit DRG Media Group. | Days Inn sign bent over. Photo credit KCCR Pierre. | RV trailer tipped over. Photo credit KCCR Pierre. | Portion of a tree snapped at the base. Photo credit DRG Media Group. |
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| Bleacher damage at a baseball field. Photo credit KCCR Pierre. | Another view of the Days Inn sign. Photo credit KCCR Pierre. | Siding pulled off a building. Photo credit DRG Media Group. | Tree snapped at the base of the trunk. Photo credit KCCR Pierre. |
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| Large tree branch knocked down next to a tree. Photo credit KCCR Pierre. | Large tree uprooted. Photo credit DRG Media Group. | At least two trees knocked down and on a park shelter. Photo credit DRG Media Group. | Damage to a gas station canopy. Photo credit DRG Media Group. |
Radar & Satellite
Radar
| A radar loop from 10 pm CDT on July 13th through 7 am CDT on July 14th, showing the storm move through central SD. |
| A broader view of the radar loop from 10 pm CDT on July 13th through 7 am CDT on July 14th, showing the storms moving in from southeast Montana and moving through western and central SD. |
Satellite
| This satellite imagery from GOES-East, shows the temperatures of the clouds as the storms moved through the region. In thunderstorms, traditionally the colder the clouds (orange, red, maroon), the taller and stronger the storm. The loop runs from 10 pm (3 UTC) 7/13/2024 to 5 am (10 UTC) 7/14/2024. |
Storm Reports
The graphics and text highlight the large number of wind reports that we received from this event, including 5 measured wind gusts of 80 mph or higher.
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| Regional view of the Local Storm Reports for the 24 hours ending at 7am CDT on 7/14/2024. Wind reports are blue W's and hail reports are green H's. Source | South Dakota view of the Local Storm Reports for the 24 hours ending at 7am CDT on 7/14/2024. Wind reports are blue W's and hail reports are green H's. Source | Map of severe wind reports (58 mph or greater) and wind damage (white circles) from the event during the evening of July 13th into the early morning hours of July 14th. Full sized image |
Preliminary Local Storm Report...Summary
National Weather Service Aberdeen SD
202 PM CDT Sun Jul 14 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1249 AM Tstm Wnd Gst 13 NNW Sansarc 44.67N 101.14W
07/14/2024 M109 MPH Stanley SD Mesonet
Mesonet station 168 Foster Bay (SDDOT).
0108 AM Tstm Wnd Gst 10 SW Chantier Creek Re 44.39N 100.77W
07/14/2024 M91 MPH Stanley SD Mesonet
Mesonet station 202 Hayes (SDDOT).
0150 AM Tstm Wnd Gst 1 E Pierre Regional Air 44.38N 100.28W
07/14/2024 M84 MPH Hughes SD ASOS
ASOS station KPIR Pierre Muni AP.
1255 AM Tstm Wnd Gst 5 NNW Bunker 44.31N 101.13W
07/14/2024 M82 MPH Stanley SD Mesonet
Mesonet station HAMS2 Hayes 7SW (SD
Mesonet).
1220 AM Tstm Wnd Gst 4 NW Lantry 45.05N 101.47W
07/14/2024 E80 MPH Dewey SD Public
Trees uprooted/damaged. Time estimated based
on radar data.
0159 AM Tstm Wnd Gst 13 N Vivian 44.12N 100.30W
07/14/2024 M79 MPH Lyman SD Mesonet
Mesonet station RFPS2 Vivian 13 N.
1245 AM Tstm Wnd Gst 1 ENE Hayes 44.37N 101.01W
07/14/2024 M78 MPH Stanley SD Mesonet
Mesonet station DVI03752 Hayes.
0206 AM Tstm Wnd Gst 1 NE Stephan 44.26N 99.44W
07/14/2024 M77 MPH Hyde SD Mesonet
Mesonet station 183 Macs Corner (SDDOT).
0216 AM Tstm Wnd Gst 3 SE Reliance 43.85N 99.56W
07/14/2024 M76 MPH Lyman SD Mesonet
Mesonet station 54 Reliance (SDDOT).
0235 AM Tstm Wnd Gst 2 W Oacoma 43.80N 99.42W
07/14/2024 M75 MPH Lyman SD Mesonet
Mesonet station OCMS2 Oacoma 2W (SD
Mesonet).
0223 AM Tstm Wnd Gst 1 N Ree Heights 44.53N 99.20W
07/14/2024 M75 MPH Hand SD Mesonet
Mesonet station 312 Ree Heights (SDDOT).
0138 AM Tstm Wnd Gst 9 NNW Vivian 44.05N 100.33W
07/14/2024 M73 MPH Lyman SD Mesonet
Mesonet station 13 Vivian (SDDOT).
0152 AM Tstm Wnd Gst 6 SW Joe Creek Rec Area 44.08N 99.87W
07/14/2024 M69 MPH Lyman SD Mesonet
Mesonet station 285 14W Lower Brule (SDDOT).
0158 AM Tstm Wnd Gst 1 ENE Harrold 44.53N 99.72W
07/14/2024 M68 MPH Hughes SD Mesonet
Mesonet station 19 Harrold (SDDOT).
0222 AM Tstm Wnd Gst 1 NNW Lees Corner 44.08N 99.33W
07/14/2024 M67 MPH Buffalo SD Mesonet
Mesonet station 289 Lees Corner (SDDOT).
1220 AM Tstm Wnd Gst 4 NW Lantry 45.06N 101.47W
07/14/2024 M65 MPH Dewey SD Mesonet
Mesonet station LANS2 Bear Creek. Time
estimated based on radar data.
0232 AM Tstm Wnd Gst 3 N Gann Valley 44.08N 98.99W
07/14/2024 M65 MPH Buffalo SD Mesonet
Mesonet station 201 Gann Valley (SDDOT).
0212 AM Tstm Wnd Gst 4 N Agar 44.90N 100.08W
07/14/2024 M64 MPH Potter SD Mesonet
Mesonet station 212 Agar (SDDOT).
0127 AM Tstm Wnd Gst 4 WSW Blunt 44.50N 100.07W
07/14/2024 M64 MPH Hughes SD Mesonet
Mesonet station 185 Blunt (SDDOT).
0151 AM Tstm Wnd Gst 3 SSW Whitlocks Bay Rec 45.01N 100.29W
07/14/2024 M63 MPH Potter SD Mesonet
Mesonet station 157 Forest City (SDDOT).
0155 AM Tstm Wnd Gst 8 ENE Okobojo Creek Rec 44.65N 100.32W
07/14/2024 M62 MPH Sully SD Mesonet
Mesonet station ONMS2 Onida 13WSW (SD
Mesonet).
0210 AM Tstm Wnd Gst 1 WNW Highmore 44.53N 99.46W
07/14/2024 M61 MPH Hyde SD Mesonet
Mesonet station HIHS2 Highmore (SD Mesonet).
0217 AM Tstm Wnd Gst 17 W Polo 44.78N 99.45W
07/14/2024 M61 MPH Hyde SD Mesonet
Mesonet station 215 Polo 17 W JCT SD47/SD26
(SDDOT).
0155 AM Tstm Wnd Gst 1 E Presho 43.91N 100.04W
07/14/2024 M58 MPH Lyman SD Mesonet
Mesonet station DVI01081 Presho.
0135 AM Tstm Wnd Dmg 1 NNW Fort Pierre 44.37N 100.38W
07/14/2024 Stanley SD Emergency Mngr
Corrects the report source from the previous
tstm wnd dmg report from 1 NNW Fort Pierre.
Six 20X20 foot doors blown off local
construction company shop. Time estimated
based on radar data.
0135 AM Tstm Wnd Dmg 1 NNW Fort Pierre 44.37N 100.38W
07/14/2024 Stanley SD Emergency Mngr
Corrects the time from the previous tstm wnd
dmg report from 1 NNW Fort Pierre. Damage to
grain bins at local agricultural service.
Time estimated based on radar data.
0135 AM Tstm Wnd Dmg Fort Pierre 44.36N 100.38W
07/14/2024 Stanley SD Emergency Mngr
Several campers/travel trailers damaged or
overturned at local business. Time estimated
based on radar data.
1246 AM Tstm Wnd Dmg 2 ENE Lantry 45.03N 101.38W
07/14/2024 Dewey SD Public
3 inch tree limbs broken and power poles
broken.
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Lightning
The image below shows the 24 hour Cloud-to-Ground Lightning Strikes from the NLDN, ending at 7am CDT on July 14, 2024.
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