Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 46, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 3, 2021, 6:57 PM CDT for 4 counties in North Dakota. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 3, 2021, 6:57 PM CDT (23:57 UTC)
- Expired
- Jul 3, 2021, 7:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grand Forks County, ND, Nelson County, ND, Pembina County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 87 km from the middle of the area, began a volume at 23:56 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 7:05 PM CDT | TSTM WND DMG | 6 E Lankin, ND | BRANCHES DOWN AND DAMAGE TO METAL SHEDS; TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 12.0 hours before the alert went out and 292 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1984 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
752 WUUS53 KFGF 032357 SVRFGF NDC035-063-067-099-040045- /O.NEW.KFGF.SV.W.0046.210703T2357Z-210704T0045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Grand Forks ND 657 PM CDT Sat Jul 3 2021 The National Weather Service in Grand Forks has issued a * Severe Thunderstorm Warning for... Northwestern Grand Forks County in northeastern North Dakota... Northeastern Nelson County in northeastern North Dakota... Walsh County in northeastern North Dakota... Southern Pembina County in northeastern North Dakota... * Until 745 PM CDT. * At 657 PM CDT, severe thunderstorms were located along a line extending from near Edinburg to near Whitman, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Edinburg around 700 PM CDT. Hoople around 710 PM CDT. Fordville and Nash around 715 PM CDT. Other locations in the path of these severe thunderstorms include Forest River Colony, Inkster, Auburn, Johnstown and Cashel. This includes Interstate 29 between mile markers 155 and 188. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4810 9719 4811 9820 4858 9789 4860 9717 TIME...MOT...LOC 2357Z 259DEG 39KT 4853 9782 4813 9803 HAIL...<.75IN WIND...60MPH $$ VG
2 follow-up statements
372 WWUS53 KFGF 040023 SVSFGF Severe Weather Statement National Weather Service Grand Forks ND 723 PM CDT Sat Jul 3 2021 NDC035-063-067-099-040045- /O.CON.KFGF.SV.W.0046.000000T0000Z-210704T0045Z/ Grand Forks ND-Nelson ND-Walsh ND-Pembina ND- 723 PM CDT Sat Jul 3 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHWESTERN GRAND FORKS...NORTHEASTERN NELSON...WALSH AND SOUTHEASTERN PEMBINA COUNTIES... At 723 PM CDT, severe thunderstorms were located along a line extending from near St. Thomas to near Inkster, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Auburn, Cashel, Johnstown, Forest River, Herrick, Drayton, Ardoch, Minto and Warsaw. This includes Interstate 29 between mile markers 155 and 188. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4811 9803 4858 9783 4860 9717 4810 9719 TIME...MOT...LOC 0023Z 270DEG 39KT 4858 9741 4818 9762 HAIL...<.75IN WIND...60MPH $$ VG
058
WWUS53 KFGF 040035
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
735 PM CDT Sat Jul 3 2021
NDC035-063-067-099-040045-
/O.EXP.KFGF.SV.W.0046.000000T0000Z-210704T0045Z/
Grand Forks ND-Nelson ND-Walsh ND-Pembina ND-
735 PM CDT Sat Jul 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GRAND FORKS...
NORTHEASTERN NELSON...WALSH AND SOUTHEASTERN PEMBINA COUNTIES WILL
EXPIRE AT 745 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
LAT...LON 4811 9803 4858 9783 4860 9717 4810 9719
TIME...MOT...LOC 0035Z 259DEG 39KT 4860 9724 4820 9745
$$
JRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 3:43 PM CDT | Special Weather Statement | FGF | Ramsey | 32 min |
| Jul 3, 5:12 PM CDT | Special Weather Statement | FGF | Towner | 48 min |
| Jul 3, 5:32 PM CDT | Special Weather Statement | FGF | Walsh | 43 min |
| Jul 3, 6:04 PM CDT | Special Weather Statement | FGF | Ramsey | 41 min |
| Jul 3, 6:30 PM CDT | Severe Thunderstorm Warning | FGF | Benson, Nelson, Ramsey | 45 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.