Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Bismarck, ND

June 7, 2021Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 7, 2021, 6:39 PM CDT for Stutsman County, North Dakota. It was in force for 66 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
Jun 7, 2021, 6:39 PM CDT (23:39 UTC)
Expired
Jun 7, 2021, 7:45 PM CDT
In force
66 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Stutsman County, ND

The radar

The Bismarck radar (KBIS), 136 km from the middle of the area, began a volume at 23:42 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
Jun 7, 6:49 PM CDTHAIL 1.25Medina, NDRELAYED THROUGH BROADCAST MEDIA. TIME ESTIMATED FROM RADAR.
Jun 7, 6:55 PM CDTTSTM WND GST 654 W Cleveland, NDNWS EMPLOYEE ESTIMATED 60 TO 70 MPH WINDS ON INTERSTATE 94 BETWEEN MEDINA AND CLEVELAND.
Jun 7, 7:50 PM CDTHAIL 2.55 Wnw Millarton, NDTIME ESTIMATED FROM RADAR. SPOTTER FOUND TENNIS BALL SIZE HAIL ON GROUND.

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
Jun 7, 5:45 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.7 hours before the alert went out and 131 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 2021-06-07Temperature 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 2021-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.19395878Sfc1 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
2578 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
598 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

486 
WUUS53 KBIS 072339
SVRBIS
NDC093-080045-
/O.NEW.KBIS.SV.W.0010.210607T2339Z-210608T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
639 PM CDT Mon Jun 7 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Stutsman County in southeastern North Dakota...

* Until 745 PM CDT.

* At 638 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles southwest of Medina to 4 miles north of Jud,
  moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Medina around 655 PM CDT.
  Ypsilanti and Woodworth around 725 PM CDT.
  Jamestown around 735 PM CDT.
  Spiritwood around 745 PM CDT.

Other locations impacted by these severe thunderstorms include
Eldridge, Sydney, Windsor and Millarton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9877 4663 9920 4677 9945 4692 9945
      4729 9928 4693 9844 4685 9844
TIME...MOT...LOC 2338Z 213DEG 23KT 4685 9945 4659 9893 

HAIL...1.25IN
WIND...60MPH
 
$$

EDWARDS
3 follow-up statements
789 
WWUS53 KBIS 072354
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
654 PM CDT Mon Jun 7 2021

NDC093-080045-
/O.CON.KBIS.SV.W.0010.000000T0000Z-210608T0045Z/
Stutsman ND-
654 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL STUTSMAN COUNTY...

At 654 PM CDT, severe thunderstorms were located along a line
extending from near Medina to 6 miles east of Cleveland to 9 miles
west of Montpelier, moving northeast at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Ypsilanti around 715 PM CDT.
  Jamestown and Buchanan around 720 PM CDT.
  Spiritwood around 730 PM CDT.

Other locations impacted by these severe thunderstorms include
Eldridge, Sydney, Windsor and Millarton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9877 4663 9920 4686 9943 4729 9928
      4693 9844 4685 9844
TIME...MOT...LOC 2354Z 216DEG 31KT 4695 9930 4686 9900 4668 9878 

HAIL...1.25IN
WIND...60MPH
 
$$

EDWARDS
057 
WWUS53 KBIS 080012
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
712 PM CDT Mon Jun 7 2021

NDC093-080045-
/O.CON.KBIS.SV.W.0010.000000T0000Z-210608T0045Z/
Stutsman ND-
712 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR CENTRAL STUTSMAN COUNTY...

At 712 PM CDT, severe thunderstorms were located along a line
extending from 9 miles southwest of Pingree to 6 miles west of
Jamestown to 10 miles west of Montpelier, moving northeast at 25 mph.

HAZARD...Golf 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.

These severe storms will be near...
  Jamestown around 725 PM CDT.
  Buchanan around 730 PM CDT.
  Ypsilanti around 740 PM CDT.

Other locations impacted by these severe thunderstorms include
Eldridge, Sydney, Windsor, Spiritwood, and Millarton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9913 4686 9935 4726 9920 4693 9844
      4685 9844 4663 9877
TIME...MOT...LOC 0012Z 221DEG 23KT 4709 9908 4691 9884 4668 9880 

HAIL...1.75IN
WIND...60MPH
 
$$

EDWARDS
845 
WWUS53 KBIS 080022
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
722 PM CDT Mon Jun 7 2021

NDC093-080045-
/O.CON.KBIS.SV.W.0010.000000T0000Z-210608T0045Z/
Stutsman ND-
722 PM CDT Mon Jun 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR EASTERN STUTSMAN COUNTY...

At 720 PM CDT, severe thunderstorms were located along a line
extending from 7 miles southwest of Pingree to 5 miles west of
Jamestown to 8 miles west of Montpelier, moving northeast at 25 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Trained weather spotters. At 655 PM 65 mph wind gusts were 
         reported on Interstate 94 between Medina and Cleveland.

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.

These severe storms will be near...
  Jamestown around 725 PM CDT.
  Buchanan around 735 PM CDT.
  Ypsilanti around 740 PM CDT.

Other locations impacted by these severe thunderstorms include
Eldridge, Sydney, Windsor, Spiritwood, and Millarton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9911 4686 9924 4724 9915 4693 9844
      4685 9844 4663 9877
TIME...MOT...LOC 0020Z 213DEG 23KT 4712 9905 4694 9881 4671 9877 

HAIL...1.75IN
WIND...70MPH
 
$$

EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 2:16 AM CDTSpecial Weather StatementBISSlope29 min
Jun 7, 2:48 AM CDTSpecial Weather StatementBISSlope27 min
Jun 7, 5:06 AM CDTSpecial Weather StatementBISMountrail24 min
Jun 7, 6:06 PM CDTSevere Thunderstorm WarningBISMcIntosh54 min
Jun 7, 6:58 PM CDTSevere Thunderstorm WarningBISLaMoure, Logan, McIntosh62 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.