Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 66, NWS Grand Forks, ND

July 25, 2021Ransom County, Richland County, Sargent County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 25, 2021, 10:04 PM CDT for Ransom County, Richland County, Sargent County, North Dakota. It was in force for 56 min. 3 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, 10:04 PM CDT (03:04 UTC)
Expired: Jul 25, 2021, 11:00 PM CDT
In force: 56 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties Ransom County, ND, Richland County, ND, Sargent County, ND

The radar

The Aberdeen radar (KABR), 135 km from the middle of the area, began a volume at 03:07 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, 10:25 PM CDT	HAIL 1.75	3 N Barney, ND	REPORTS AND PHOTOS POSTED VIA SOCIAL MEDIA. TIME ESTIMATED BASED ON RADAR.
Jul 25, 10:25 PM CDT	HAIL 1.75	Barney, ND	PICTURE OF ESTIMATED 1.75 INCH HAIL RELAYED BY BROADCAST MEDIA. TIME ESTIMATED BY RADAR.
Jul 25, 10:40 PM CDT	HAIL 1.5	4 S Galchutt, ND	REPORT AND PHOTO POSTED VIA SOCIAL MEDIA. TIME ESTIMATED BASED ON RADAR.

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, 3.1 hours before the alert went out and 182 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

660 
WUUS53 KFGF 260304
SVRFGF
NDC073-077-081-260400-
/O.NEW.KFGF.SV.W.0066.210726T0304Z-210726T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
1004 PM CDT Sun Jul 25 2021

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Southeastern Ransom County in southeastern North Dakota...
  Central Richland County in southeastern North Dakota...
  Northeastern Sargent County in southeastern North Dakota...

* Until 1100 PM CDT.

* At 1004 PM CDT, a severe thunderstorm was located near Wyndmere, or
  29 miles west of Wahpeton, moving east at 20 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 thunderstorm will be near...
  Wyndmere around 1020 PM CDT.

Other locations in the path of this severe thunderstorm include
Barney, Mooreton, Dwight and Galchutt.

This includes Interstate 29 between mile markers 17 and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4621 9739 4638 9739 4641 9673 4616 9674
TIME...MOT...LOC 0304Z 273DEG 16KT 4630 9723 

HAIL...1.25IN
WIND...70MPH
 
$$

DJR

4 follow-up statements

886 
WWUS53 KFGF 260314
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
1014 PM CDT Sun Jul 25 2021

NDC073-081-260324-
/O.CAN.KFGF.SV.W.0066.000000T0000Z-210726T0400Z/
Ransom ND-Sargent ND-
1014 PM CDT Sun Jul 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RANSOM AND
NORTHEASTERN SARGENT COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4620 9726 4628 9726 4639 9728 4641 9673
      4616 9674
TIME...MOT...LOC 0314Z 273DEG 16KT 4630 9716 

$$

NDC077-260400-
/O.CON.KFGF.SV.W.0066.000000T0000Z-210726T0400Z/
Richland ND-
1014 PM CDT Sun Jul 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR CENTRAL RICHLAND COUNTY...

At 1014 PM CDT, a severe thunderstorm was located over Wyndmere, or
26 miles west of Wahpeton, moving east at 20 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.

Locations impacted include...
  Barney, Mooreton, Galchutt and Dwight.

This includes Interstate 29 between mile markers 17 and 32.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4620 9726 4628 9726 4639 9728 4641 9673
      4616 9674
TIME...MOT...LOC 0314Z 273DEG 16KT 4630 9716 

HAIL...1.25IN
WIND...70MPH
 
$$

DJR

732 
WWUS53 KFGF 260331
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
1031 PM CDT Sun Jul 25 2021

NDC077-260400-
/O.CON.KFGF.SV.W.0066.000000T0000Z-210726T0400Z/
Richland ND-
1031 PM CDT Sun Jul 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR CENTRAL RICHLAND COUNTY...

At 1031 PM CDT, a severe thunderstorm was located over Barney, or 17
miles west of Wahpeton, moving east at 20 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.

Locations impacted include...
Mooreton, Dwight, Barney, Galchutt and Wyndmere. 

This includes Interstate 29 between mile markers 17 and 31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4619 9712 4628 9713 4635 9709 4641 9673
      4616 9674
TIME...MOT...LOC 0331Z 273DEG 19KT 4629 9697 

HAIL...1.25IN
WIND...70MPH
 
$$

DJR

489 
WWUS53 KFGF 260338
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
1038 PM CDT Sun Jul 25 2021

NDC077-260400-
/O.CON.KFGF.SV.W.0066.000000T0000Z-210726T0400Z/
Richland ND-
1038 PM CDT Sun Jul 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR CENTRAL RICHLAND COUNTY...

At 1037 PM CDT, a severe thunderstorm was located near Mooreton, or
14 miles west of Wahpeton, moving east at 20 mph.

HAZARD...Two inch hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Mooreton, Dwight, Barney and Galchutt. 

This includes Interstate 29 between mile markers 17 and 31.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4619 9712 4629 9700 4636 9699 4641 9673
      4616 9674
TIME...MOT...LOC 0337Z 269DEG 16KT 4631 9691 

HAIL...2.00IN
WIND...70MPH
 
$$

DJR

440 
WWUS53 KFGF 260352
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
1052 PM CDT Sun Jul 25 2021

NDC077-260402-
/O.EXP.KFGF.SV.W.0066.000000T0000Z-210726T0400Z/
Richland ND-
1052 PM CDT Sun Jul 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL RICHLAND COUNTY WILL
EXPIRE AT 1100 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.  However small hail
and gusty winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Grand Forks.

LAT...LON 4619 9712 4629 9700 4636 9699 4641 9673
      4616 9674
TIME...MOT...LOC 0352Z 273DEG 16KT 4631 9684 

$$

DJR

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 25, 9:38 PM CDT	Severe Thunderstorm Warning	FGF	Richland	37 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, 2021 Every 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.