Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 45, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 3, 2021, 6:30 PM CDT for Benson County, Nelson County, Ramsey County, North Dakota. It was in force for 45 min. 2 reports 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, 6:30 PM CDT (23:30 UTC)
- Expired
- Jul 3, 2021, 7:15 PM CDT
- In force
- 45 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Benson County, ND, Nelson County, ND, Ramsey County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 102 km from the middle of the area, began a volume at 23:29 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, 6:30 PM CDT | TSTM WND GST 65 | 1 E Crary, ND | NDAWN MEASURED 65 MPH GUST 1E OF CRARY. |
| Jul 3, 6:30 PM CDT | TSTM WND GST 72 | 1 E Crary, ND | CORRECTS PREVIOUS TSTM WND GST REPORT FROM 1 E CRARY. NDAWN MEASURED 72 MPH GUST 1E OF CRARY. |
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, 11.5 hours before the alert went out and 212 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.
041
WUUS53 KFGF 032330
SVRFGF
NDC005-063-071-040015-
/O.NEW.KFGF.SV.W.0045.210703T2330Z-210704T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
630 PM CDT Sat Jul 3 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Southeastern Benson County in northeastern North Dakota...
Northwestern Nelson County in northeastern North Dakota...
Southeastern Ramsey County in northeastern North Dakota...
* Until 715 PM CDT.
* At 630 PM CDT, a severe thunderstorm was located near Crary, or 12
miles southeast of Devils Lake, moving east at 20 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Doyon around 645 PM CDT.
Other locations in the path of this severe thunderstorm include
Bartlett, Lakota and Mapes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4792 9880 4810 9876 4811 9807 4781 9815
TIME...MOT...LOC 2330Z 278DEG 18KT 4801 9866
HAIL...1.50IN
WIND...60MPH
$$
Riddle2 follow-up statements
007
WWUS53 KFGF 032350
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
650 PM CDT Sat Jul 3 2021
NDC005-063-071-040015-
/O.CON.KFGF.SV.W.0045.000000T0000Z-210704T0015Z/
Benson ND-Nelson ND-Ramsey ND-
650 PM CDT Sat Jul 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR SOUTHEASTERN BENSON...NORTHWESTERN NELSON AND SOUTHEASTERN RAMSEY
COUNTIES...
At 649 PM CDT, a severe thunderstorm was located near Doyon, or 18
miles southeast of Devils Lake, moving east at 20 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 630 pm a 72 mph wind gusts was recorded
at the Crary NDAWN station.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Bartlett, Lakota, Mapes and Michigan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4792 9880 4810 9864 4811 9807 4781 9815
TIME...MOT...LOC 2349Z 278DEG 18KT 4800 9851
HAIL...1.00IN
WIND...70MPH
$$
Riddle377
WWUS53 KFGF 040013
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
713 PM CDT Sat Jul 3 2021
NDC005-063-071-040023-
/O.EXP.KFGF.SV.W.0045.000000T0000Z-210704T0015Z/
Benson ND-Nelson ND-Ramsey ND-
713 PM CDT Sat Jul 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BENSON...
NORTHWESTERN NELSON AND SOUTHEASTERN RAMSEY COUNTIES WILL EXPIRE AT
715 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 4792 9880 4810 9864 4811 9807 4781 9815
TIME...MOT...LOC 0013Z 278DEG 18KT 4798 9835
$$
RiddleThe 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, 6:57 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Nelson, Pembina, Walsh | 48 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.