Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 64, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2021, 9:38 PM CDT for Richland County, North Dakota. It was in force for 37 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 25, 2021, 9:38 PM CDT (02:38 UTC)
- Expired
- Jul 25, 2021, 10:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Richland County, ND
The radar
The Aberdeen radar (KABR), 150 km from the middle of the area, began a volume at 02:41 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 25, 9:50 PM CDT | HAIL 1 | 5 Ese Great Bend, ND | PHOTO AND REPORT POSTED VIA SOCIAL MEDIA. TIME ESTIMATED BASED ON RADAR. |
| Jul 25, 9:55 PM CDT | HAIL 1.25 | 1 Nw Fairmount, ND | DIME TO HALF DOLLAR SIZED HAIL. REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.6 hours before the alert went out and 185 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
- 1771 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 2015 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 31.3
The text
As transmitted.
216
WUUS53 KFGF 260238
SVRFGF
NDC077-260315-
/O.NEW.KFGF.SV.W.0064.210726T0238Z-210726T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
938 PM CDT Sun Jul 25 2021
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Southeastern Richland County in southeastern North Dakota...
* Until 1015 PM CDT.
* At 938 PM CDT, a severe thunderstorm was located over Sonora, or 17
miles south of Wahpeton, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Fairmount and Lamars around 945 PM CDT.
Blackmer around 950 PM CDT.
This includes Interstate 29 between mile markers 3 and 14.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4601 9693 4617 9682 4613 9657 4608 9655
4608 9656 4607 9656 4603 9658 4594 9656
4593 9674
TIME...MOT...LOC 0238Z 289DEG 25KT 4604 9671
HAIL...1.00IN
WIND...60MPH
$$
DJR2 follow-up statements
409
WWUS53 KFGF 260250
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
950 PM CDT Sun Jul 25 2021
NDC077-260315-
/O.CON.KFGF.SV.W.0064.000000T0000Z-210726T0315Z/
Richland ND-
950 PM CDT Sun Jul 25 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR SOUTHEASTERN RICHLAND COUNTY...
At 949 PM CDT, a severe thunderstorm was located over Fairmount, or
14 miles south of Wahpeton, moving east at 25 mph.
HAZARD...70 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
This severe storm will be near...
Blackmer around 955 PM CDT.
This includes Interstate 29 between mile markers 3 and 14.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4601 9693 4617 9682 4613 9657 4608 9655
4608 9656 4607 9656 4603 9658 4594 9656
4593 9674
TIME...MOT...LOC 0249Z 283DEG 23KT 4607 9664
HAIL...1.25IN
WIND...70MPH
$$
DJR410
WWUS53 KFGF 260307
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
1007 PM CDT Sun Jul 25 2021
NDC077-260316-
/O.EXP.KFGF.SV.W.0064.000000T0000Z-210726T0315Z/
Richland ND-
1007 PM CDT Sun Jul 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICHLAND COUNTY
WILL EXPIRE AT 1015 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
Remember, a Severe Thunderstorm Warning still remains in effect for
central Richland county.
LAT...LON 4601 9693 4617 9682 4613 9657 4608 9655
4608 9656 4607 9656 4603 9658 4594 9656
4593 9674
TIME...MOT...LOC 0306Z 289DEG 25KT 4603 9649
$$
DJRThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 10:04 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 56 min |
| Jul 25, 10:56 PM CDT | Special Weather Statement | FGF | Ransom | 34 min |
| Jul 25, 11:01 PM CDT | Special Weather Statement | FGF | Richland | 29 min |
| Jul 25, 11:10 PM CDT | Severe Thunderstorm Warning | FGF | Barnes, Cass, Ransom, Richland | 55 min |
| Jul 25, 11:44 PM CDT | Special Weather Statement | FGF | Sargent | 31 min |
| Jul 26, 12:11 AM CDT | Special Weather Statement | FGF | Richland | 34 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.