Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 167, NWS Bismarck, ND

September 2, 2021Bottineau County, Renville County, Ward County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Sep 2, 2021, 7:40 AM CDT for Bottineau County, Renville County, Ward County, North Dakota. 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: Sep 2, 2021, 7:40 AM CDT (12:40 UTC)
Expired: Sep 2, 2021, 8:09 AM CDT
In force: 29 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Bottineau County, ND, Renville County, ND, Ward County, ND

The radar

The Minot AFB radar (KMBX), 38 km from the middle of the area, began a volume at 12:40 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
Sep 2, 7:46 AM CDT	TSTM WND GST 60	7 W Glenburn, ND	WIND GUSTS OF 60 MPH WITH ENOUGH PEA SIZE HAIL THAT DRIFTS OF HAIL REMAINED AND LEAVES WERE STRIPPED FROM THE TREES IN THE YARD. THE STRONG WINDS AND HAIL LASTED ABOUT 5 MINUTES UNTIL APPROXIMATELY 751 AM CDT.

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, 0.7 hours before the alert went out and 198 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: 422 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 889 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: -44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

422 
WUUS53 KBIS 021240
SVRBIS
NDC009-075-101-021330-
/O.NEW.KBIS.SV.W.0167.210902T1240Z-210902T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
740 AM CDT Thu Sep 2 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  East central Ward County in north central North Dakota...
  Southwestern Bottineau County in north central North Dakota...
  Southeastern Renville County in north central North Dakota...

* Until 830 AM CDT.

* At 739 AM CDT, a severe thunderstorm was located 6 miles northwest
  of Minot Air Force Base, or 18 miles north of Minot, moving east at
  25 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...
  Minot Air Force Base around 750 AM CDT.

Other locations in the path of this severe thunderstorm include
Glenburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4843 10152 4851 10154 4867 10115 4843 10106
TIME...MOT...LOC 1239Z 259DEG 20KT 4848 10144 

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

$$

HAMILTON

3 follow-up statements

469 
WWUS53 KBIS 021251
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
751 AM CDT Thu Sep 2 2021

NDC101-021300-
/O.CAN.KBIS.SV.W.0167.000000T0000Z-210902T1330Z/
Ward ND-
751 AM CDT Thu Sep 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARD COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4846 10146 4853 10149 4867 10115 4848 10108
TIME...MOT...LOC 1250Z 259DEG 20KT 4849 10134 

$$

NDC009-075-021330-
/O.CON.KBIS.SV.W.0167.000000T0000Z-210902T1330Z/
Bottineau ND-Renville ND-
751 AM CDT Thu Sep 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR SOUTHWESTERN BOTTINEAU AND SOUTHEASTERN RENVILLE COUNTIES...

At 750 AM CDT, a severe thunderstorm was located 5 miles north of
Minot Air Force Base, or 18 miles north of Minot, moving east at 25
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...
  Glenburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4846 10146 4853 10149 4867 10115 4848 10108
TIME...MOT...LOC 1250Z 259DEG 20KT 4849 10134 

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

$$

HAMILTON

494 
WWUS53 KBIS 021304
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
804 AM CDT Thu Sep 2 2021

NDC009-075-021330-
/O.CON.KBIS.SV.W.0167.000000T0000Z-210902T1330Z/
Bottineau ND-Renville ND-
804 AM CDT Thu Sep 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 AM CDT
FOR SOUTHERN BOTTINEAU AND SOUTHEASTERN RENVILLE COUNTIES...

At 803 AM CDT, a severe thunderstorm was located near Glenburn, or 
20 miles southeast of Mohall, moving east at 20 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...
Glenburn.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4849 10134 4855 10140 4865 10116 4849 10109
TIME...MOT...LOC 1303Z 252DEG 19KT 4853 10125 

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

$$

HAMILTON

576 
WWUS53 KBIS 021309
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
809 AM CDT Thu Sep 2 2021

NDC009-075-021319-
/O.CAN.KBIS.SV.W.0167.000000T0000Z-210902T1330Z/
Bottineau ND-Renville ND-
809 AM CDT Thu Sep 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BOTTINEAU AND
SOUTHEASTERN RENVILLE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled.

LAT...LON 4849 10134 4855 10140 4865 10116 4849 10109
TIME...MOT...LOC 1307Z 259DEG 20KT 4854 10120 

$$

HAMILTON

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 1, 10:54 PM CDT	Special Weather Statement	BIS	LaMoure	36 min
Sep 2, 5:32 AM CDT	Special Weather Statement	BIS	Mountrail	28 min
Sep 2, 5:39 AM CDT	Special Weather Statement	BIS	Renville	51 min
Sep 2, 5:45 AM CDT	Severe Thunderstorm Warning	BIS	Mountrail	30 min
Sep 2, 5:56 AM CDT	Special Weather Statement	BIS	Mountrail	34 min
Sep 2, 6:28 AM CDT	Special Weather Statement	BIS	Renville	47 min
Sep 2, 6:30 AM CDT	Special Weather Statement	BIS	McKenzie	30 min
Sep 2, 6:51 AM CDT	Special Weather Statement	BIS	Kidder, Stutsman	39 min
Sep 2, 6:55 AM CDT	Special Weather Statement	BIS	Dunn	35 min
Sep 2, 7:22 AM CDT	Special Weather Statement	BIS	Bottineau, Ward	23 min
Sep 2, 8:30 AM CDT	Special Weather Statement	BIS	Bottineau	30 min
Sep 2, 10:04 AM CDT	Severe Thunderstorm Warning	BIS	Billings, Golden Valley, Slope	41 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.