Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Bismarck, ND

June 6, 20214 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 6, 2021, 1:52 AM CDT for 4 counties in North Dakota. It was in force for 38 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
Jun 6, 2021, 1:52 AM CDT (06:52 UTC)
Expired
Jun 6, 2021, 2:30 AM CDT
In force
38 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties McHenry County, ND, Pierce County, ND, Sheridan County, ND, Wells County, ND

The radar

The Minot AFB radar (KMBX), 85 km from the middle of the area, began a volume at 06:54 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 6, 1:55 AM CDTTSTM WND GST 581 Nw Rugby, NDAWOS STATION KRUG RUGBY AIRPORT.

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 5, 10:21 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 6.9 hours before the alert went out and 165 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 00:00Z on 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1639 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
1639 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
3032 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

As transmitted.

174 
WUUS53 KBIS 060652
SVRBIS
NDC049-069-083-103-060730-
/O.NEW.KBIS.SV.W.0008.210606T0652Z-210606T0730Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
152 AM CDT Sun Jun 6 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northern Wells County in south central North Dakota...
  Northern Sheridan County in south central North Dakota...
  Pierce County in north central North Dakota...
  Southeastern McHenry County in north central North Dakota...

* Until 230 AM CDT.

* At 152 AM CDT, severe thunderstorms were located along a line
  extending from 5 miles northwest of Wolford to 10 miles south of
  Esmond to 9 miles south of Hurdsfield, moving east at 60 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Surface observations.

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

* Locations impacted include...
  Rugby, Harvey, Fessenden, Drake, Anamoose, Martin, Balta, Wolford,
  Barton, Berwick, Heimdal, Bremen, Manfred, Balfour, Hamberg, Kief,
  Krueger Lake, Wellsburg, George Lake, and Sheyenne Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4837 9950 4836 9985 4802 9985 4802 9981
      4785 9981 4785 9930 4759 9927 4762 10059
      4785 10060 4855 10028 4855 9950 4854 9949
TIME...MOT...LOC 0652Z 269DEG 52KT 4853 9982 4788 9974 4732 9988 

HAIL...1.00IN
WIND...60MPH
 
$$

HOLLAN
3 follow-up statements
621 
WWUS53 KBIS 060708
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
208 AM CDT Sun Jun 6 2021

NDC049-083-060717-
/O.CAN.KBIS.SV.W.0008.000000T0000Z-210606T0730Z/
Sheridan ND-McHenry ND-
208 AM CDT Sun Jun 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SHERIDAN AND
SOUTHEASTERN MCHENRY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central and north central North Dakota.

LAT...LON 4837 9950 4837 9985 4802 9985 4802 9981
      4785 9981 4785 9930 4759 9927 4761 10003
      4767 10003 4768 10007 4785 10007 4785 10020
      4802 10020 4802 10024 4837 10024 4837 10028
      4855 10027 4855 9950
TIME...MOT...LOC 0707Z 268DEG 43KT 4853 9951 4812 9942 4760 9949 

$$

NDC069-103-060730-
/O.CON.KBIS.SV.W.0008.000000T0000Z-210606T0730Z/
Wells ND-Pierce ND-
208 AM CDT Sun Jun 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR NORTHERN WELLS AND PIERCE COUNTIES...

At 207 AM CDT, severe thunderstorms were located along a line
extending from 8 miles southwest of Bisbee to 8 miles northwest of
Minnewaukan to 4 miles northwest of Cathay, moving east at 50 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Surface observations.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Rugby, Harvey, Fessenden, Balta, Wolford, Barton, Heimdal, Bremen,
Manfred, Hamberg, Silva, Selz, Wellsburg, and Orrin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wind damage with these storms may occur before any rain or 
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4837 9950 4837 9985 4802 9985 4802 9981
      4785 9981 4785 9930 4759 9927 4761 10003
      4767 10003 4768 10007 4785 10007 4785 10020
      4802 10020 4802 10024 4837 10024 4837 10028
      4855 10027 4855 9950
TIME...MOT...LOC 0707Z 268DEG 43KT 4853 9951 4812 9942 4760 9949 

HAIL...0.75IN
WIND...60MPH
 
$$

HOLLAN
239 
WWUS53 KBIS 060720
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
220 AM CDT Sun Jun 6 2021

NDC069-103-060730-
/O.CON.KBIS.SV.W.0008.000000T0000Z-210606T0730Z/
Wells ND-Pierce ND-
220 AM CDT Sun Jun 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR NORTHEASTERN WELLS AND EASTERN PIERCE COUNTIES...

At 219 AM CDT, severe thunderstorms were located along a line
extending from 7 miles southwest of Bisbee to 9 miles northwest of
Minnewaukan to 6 miles northwest of Cathay, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Surface observations.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Fessenden, Wolford, Heimdal, Bremen, Manfred, Hamberg, and 
Wellsburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Wind damage with these storms may occur before any rain or 
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4837 9950 4837 9985 4802 9985 4802 9981
      4785 9982 4785 9930 4759 9927 4761 9984
      4784 9985 4855 9987 4855 9950
TIME...MOT...LOC 0719Z 265DEG 45KT 4856 9950 4815 9941 4763 9948 

HAIL...<.75IN
WIND...60MPH
 
$$

HOLLAN
808 
WWUS53 KBIS 060730
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
230 AM CDT Sun Jun 6 2021

NDC069-103-060740-
/O.EXP.KBIS.SV.W.0008.000000T0000Z-210606T0730Z/
Wells ND-Pierce ND-
230 AM CDT Sun Jun 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WELLS AND EASTERN
PIERCE COUNTIES HAS EXPIRED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central and north central North Dakota.

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

LAT...LON 4837 9950 4837 9985 4802 9985 4802 9981
      4785 9982 4785 9930 4759 9927 4761 9984
      4784 9985 4855 9987 4855 9950
TIME...MOT...LOC 0730Z 269DEG 52KT 4856 9935 4815 9926 4763 9933 

$$

HOLLAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 9:25 PM CDTSpecial Weather StatementBISBillings, Bowman, Golden Valley, McKenzie, Slope, Williams50 min
Jun 5, 9:36 PM CDTSevere Thunderstorm WarningBISBowman, Golden Valley, Slope39 min
Jun 5, 10:16 PM CDTSpecial Weather StatementBISBillings, Bowman, Golden Valley, McKenzie, Slope, Williams44 min
Jun 5, 10:58 PM CDTSpecial Weather StatementBISBillings, Dunn, Mountrail, Stark47 min
Jun 5, 11:08 PM CDTSpecial Weather StatementBISSlope37 min
Jun 5, 11:11 PM CDTSevere Thunderstorm WarningBISBillings, Dunn, Stark37 min
Jun 5, 11:41 PM CDTSpecial Weather StatementBISBowman34 min
Jun 5, 11:45 PM CDTSpecial Weather StatementBISMcLean, Mercer, Morton, Oliver45 min
Jun 5, 11:50 PM CDTSpecial Weather StatementBISStark40 min
Jun 5, 11:59 PM CDTSevere Thunderstorm WarningBISDunn, Stark46 min
Jun 6, 12:10 AM CDTSpecial Weather StatementBISSlope35 min
Jun 6, 12:13 AM CDTSevere Thunderstorm WarningBISBurleigh, McLean, Mercer, Oliver62 min
Jun 6, 12:35 AM CDTSpecial Weather StatementBISSlope25 min
Jun 6, 12:39 AM CDTSevere Thunderstorm WarningBISDunn, Mercer, Morton, Stark51 min
Jun 6, 12:43 AM CDTSevere Thunderstorm WarningBISBottineau, McHenry, Renville, Ward47 min
Jun 6, 1:01 AM CDTSpecial Weather StatementBISHettinger29 min
Jun 6, 1:27 AM CDTSpecial Weather StatementBISStark33 min
Jun 6, 1:35 AM CDTSpecial Weather StatementBISMcLean, Mercer, Sheridan40 min
Jun 6, 2:02 AM CDTSpecial Weather StatementBISOliver28 min
Jun 6, 3:09 AM CDTRed Flag WarningBISBillings, Bottineau, Burke, Burleigh, Divide, Dunn and 19 more18 hr

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.