Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Grand Forks, ND

May 14, 2021Richland County, North Dakota; Wilkin County, Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at May 14, 2021, 5:49 PM CDT for Richland County, North Dakota; Wilkin County, Minnesota. It was in force for 29 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: May 14, 2021, 5:49 PM CDT (22:49 UTC)
Expired: May 14, 2021, 6:18 PM CDT
In force: 29 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Wilkin County, MN, Richland County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 138 km from the middle of the area, began a volume at 22:51 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
May 14, 5:51 PM CDT	HAIL 1	7 Sw Abercrombie, ND	1 INCH HAIL NEAR MILE MARKER 31 ALONG I-29.

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 12:00Z, 10.8 hours before the alert went out and 206 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1771 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 101 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

572 
WUUS53 KFGF 142249
SVRFGF
MNC167-NDC077-142345-
/O.NEW.KFGF.SV.W.0001.210514T2249Z-210514T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
549 PM CDT Fri May 14 2021

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Central Wilkin County in west central Minnesota...
  Northeastern Richland County in southeastern North Dakota...

* Until 645 PM CDT.

* At 548 PM CDT, a severe thunderstorm was located over Galchutt, or
  14 miles northwest of Wahpeton, moving southeast at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Abercrombie around 550 PM CDT.
  McCauleyville around 555 PM CDT.
  Galchutt and Kent around 600 PM CDT.
  Brushvale around 620 PM CDT.
  Dwight around 630 PM CDT.

This includes Interstate 29 between mile markers 23 and 38.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4644 9696 4653 9674 4625 9641 4610 9673
TIME...MOT...LOC 2248Z 327DEG 12KT 4643 9680 

HAIL...1.00IN
WIND...<50MPH
 
$$
Speicher

2 follow-up statements

579 
WWUS53 KFGF 142310
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
610 PM CDT Fri May 14 2021

MNC167-NDC077-142345-
/O.CON.KFGF.SV.W.0001.000000T0000Z-210514T2345Z/
Wilkin MN-Richland ND-
610 PM CDT Fri May 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR CENTRAL WILKIN AND EAST CENTRAL RICHLAND COUNTIES...

At 610 PM CDT, a severe thunderstorm was located near Galchutt, or 9
miles northwest of Wahpeton, moving southeast at 15 mph.

HAZARD...Quarter size hail.

SOURCE...Trained weather spotters.

IMPACT...Damage to vehicles is expected.

This severe storm will be near...
  Brushvale around 620 PM CDT.
  Dwight around 625 PM CDT.
  Wahpeton around 645 PM CDT.
  Breckenridge around 655 PM CDT.

This includes Interstate 29 between mile markers 23 and 33.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4639 9692 4646 9673 4625 9641 4610 9673
TIME...MOT...LOC 2310Z 327DEG 12KT 4637 9674 

HAIL...1.00IN
WIND...<50MPH
 
$$
Speicher

384 
WWUS53 KFGF 142318
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
618 PM CDT Fri May 14 2021

MNC167-NDC077-142327-
/O.CAN.KFGF.SV.W.0001.000000T0000Z-210514T2345Z/
Wilkin MN-Richland ND-
618 PM CDT Fri May 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WILKIN AND EAST
CENTRAL RICHLAND COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. Small hail is still 
possible with storms in central Richland County.

LAT...LON 4639 9692 4646 9673 4625 9641 4610 9673
TIME...MOT...LOC 2316Z 327DEG 12KT 4635 9672 

$$
Speicher

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 5:22 PM CDT	Special Weather Statement	FGF	Wilkin	53 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 2021 Severe Thunderstorm Warnings in Minnesota, 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.