Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 132, NWS Bismarck, ND

August 22, 2021Foster County, Wells County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 22, 2021, 5:14 PM CDT for Foster County, Wells County, North Dakota. It was in force for 61 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
Aug 22, 2021, 5:14 PM CDT (22:14 UTC)
Expired
Aug 22, 2021, 6:15 PM CDT
In force
61 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Foster County, ND, Wells County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 141 km from the middle of the area, began a volume at 22:16 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

TimeReportWhereRemark
Aug 22, 6:00 PM CDTHAIL 1.56 N Carrington, ND
Aug 22, 6:00 PM CDTHAIL 1.753 Sse Barlow, ND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 22, 3:36 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.2 hours before the alert went out and 143 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-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 311 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1536 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
311 m²/s²
0-3 km storm-relative helicity
445 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

773 
WUUS53 KBIS 222214
SVRBIS
NDC031-103-222315-
/O.NEW.KBIS.SV.W.0132.210822T2214Z-210822T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
514 PM CDT Sun Aug 22 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wells County in south central North Dakota...
  Western Foster County in southeastern North Dakota...

* Until 615 PM CDT.

* At 514 PM CDT, severe thunderstorms were located along a line
  extending from near Cathay to 15 miles west of Carrington, moving
  east at 25 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.

* Locations impacted include...
  Carrington and Bordulac.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4733 9890 4733 9962 4772 9945 4781 9930
      4767 9930 4767 9927 4759 9927 4758 9886
TIME...MOT...LOC 2214Z 250DEG 24KT 4759 9937 4739 9945 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TELKEN
4 follow-up statements
858 
WWUS53 KBIS 222232
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
532 PM CDT Sun Aug 22 2021

NDC031-103-222315-
/O.CON.KBIS.SV.W.0132.000000T0000Z-210822T2315Z/
Wells ND-Foster ND-
532 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTHEASTERN WELLS AND WESTERN FOSTER COUNTIES...

At 531 PM CDT, a severe thunderstorm was located 7 miles south of
Cathay, or 11 miles west of Carrington, moving northeast at 25 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.

Locations impacted include...
Carrington, Bordulac, Cathay, Sykeston and Barlow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4735 9940 4742 9948 4754 9942 4761 9936
      4767 9927 4759 9927 4758 9886 4735 9890
TIME...MOT...LOC 2231Z 235DEG 22KT 4745 9937 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TELKEN
136 
WWUS53 KBIS 222245
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
545 PM CDT Sun Aug 22 2021

NDC031-103-222315-
/O.CON.KBIS.SV.W.0132.000000T0000Z-210822T2315Z/
Wells ND-Foster ND-
545 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR EAST CENTRAL WELLS AND NORTHWESTERN FOSTER COUNTIES...

At 544 PM CDT, a severe thunderstorm was located 6 miles northwest of
Carrington, moving northeast 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.

Locations impacted include...
Carrington and Barlow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4741 9937 4752 9939 4763 9927 4759 9927
      4758 9887 4740 9898
TIME...MOT...LOC 2244Z 235DEG 25KT 4750 9924 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TELKEN
803 
WWUS53 KBIS 222252
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
552 PM CDT Sun Aug 22 2021

NDC031-103-222315-
/O.CON.KBIS.SV.W.0132.000000T0000Z-210822T2315Z/
Wells ND-Foster ND-
552 PM CDT Sun Aug 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR EAST CENTRAL WELLS AND NORTHWESTERN FOSTER COUNTIES...

At 552 PM CDT, a severe thunderstorm was located 5 miles north of
Carrington, moving east at 30 mph.

HAZARD...Two inch 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.

Locations impacted include...
Carrington and Barlow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 4744 9931 4753 9933 4759 9927 4758 9887
      4744 9900
TIME...MOT...LOC 2252Z 250DEG 24KT 4752 9916 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

TELKEN
599 
WWUS53 KBIS 222312
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
612 PM CDT Sun Aug 22 2021

NDC031-103-222322-
/O.EXP.KBIS.SV.W.0132.000000T0000Z-210822T2315Z/
Wells ND-Foster ND-
612 PM CDT Sun Aug 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WELLS AND
NORTHWESTERN FOSTER COUNTIES WILL EXPIRE AT 615 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
south central and southeastern North Dakota.

LAT...LON 4744 9931 4753 9933 4759 9927 4758 9887
      4744 9900
TIME...MOT...LOC 2312Z 250DEG 24KT 4756 9898 

$$

TELKEN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 9:40 AM CDTWind AdvisoryBISAdams, Billings, Bottineau, Bowman, Burleigh, Dickey and 22 more10 hr
Aug 22, 4:15 PM CDTSevere Thunderstorm WarningBISFoster, Pierce, Wells60 min
Aug 22, 5:13 PM CDTSevere Thunderstorm WarningBISDickey32 min
Aug 22, 6:01 PM CDTSpecial Weather StatementBISLaMoure14 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.