Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 74, NWS Bismarck, ND

June 11, 20215 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 11, 2021, 1:27 AM CDT for 5 counties in North Dakota. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 11, 2021, 1:27 AM CDT (06:27 UTC)
Expired
Jun 11, 2021, 2:00 AM CDT
In force
33 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Burleigh County, ND, McLean County, ND, Morton County, ND, Oliver County, ND, Sheridan County, ND

The radar

The Bismarck radar (KBIS), 10 km from the middle of the area, began a volume at 06:27 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 10, 9:54 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 6.5 hours before the alert went out and 11 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 2021-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1785 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1785 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2484 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted.

781 
WUUS53 KBIS 110627
SVRBIS
NDC015-055-059-065-083-110700-
/O.NEW.KBIS.SV.W.0074.210611T0627Z-210611T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
127 AM CDT Fri Jun 11 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southwestern Sheridan County in south central North Dakota...
  Southeastern McLean County in south central North Dakota...
  Western Burleigh County in south central North Dakota...
  Northeastern Morton County in south central North Dakota...
  Eastern Oliver County in south central North Dakota...

* Until 200 AM CDT.

* At 126 AM CDT, severe thunderstorms were located along a line
  extending from near Cross Ranch State Park to 4 miles southeast of
  Lake Harmon to 4 miles north of St. Anthony, moving northeast at 40
  mph.

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

  SOURCE...Radar indicated.

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

* Severe thunderstorms will be near...
  Cross Ranch State Park around 130 AM CDT.
  Washburn around 135 AM CDT.
  Lincoln around 145 AM CDT.

Other locations in the path of these severe thunderstorms include
Bismarck, Mcdowell Dam Recreation Area, Menoken and Regan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4662 10097 4686 10098 4731 10120 4748 10060
      4723 10040 4663 10051 4664 10065 4660 10059
      4658 10074
TIME...MOT...LOC 0626Z 225DEG 35KT 4718 10101 4691 10088 4668 10093 

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

ANGLIN
2 follow-up statements
526 
WWUS53 KBIS 110646
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
146 AM CDT Fri Jun 11 2021

NDC065-110656-
/O.CAN.KBIS.SV.W.0074.000000T0000Z-210611T0700Z/
Oliver ND-
146 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OLIVER COUNTY IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled. Strong winds are still possible behind 
these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
south central North Dakota.

LAT...LON 4662 10097 4686 10098 4698 10104 4698 10094
      4701 10088 4704 10088 4708 10093 4713 10094
      4718 10099 4725 10098 4727 10100 4729 10106
      4728 10118 4731 10120 4748 10060 4723 10040
      4663 10051 4663 10065 4660 10060 4658 10074
TIME...MOT...LOC 0646Z 225DEG 35KT 4728 10086 4701 10073 4678 10078 

$$

NDC015-055-059-083-110700-
/O.CON.KBIS.SV.W.0074.000000T0000Z-210611T0700Z/
Sheridan ND-McLean ND-Burleigh ND-Morton ND-
146 AM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR SOUTHWESTERN SHERIDAN...SOUTHEASTERN MCLEAN...WESTERN BURLEIGH
AND NORTHEASTERN MORTON COUNTIES...

At 146 AM CDT, severe thunderstorms were located along a line
extending from 7 miles east of Washburn to 10 miles south of Wilton
to Bismarck, moving northeast at 40 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
  Menoken and Regan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4662 10097 4686 10098 4698 10104 4698 10094
      4701 10088 4704 10088 4708 10093 4713 10094
      4718 10099 4725 10098 4727 10100 4729 10106
      4728 10118 4731 10120 4748 10060 4723 10040
      4663 10051 4663 10065 4660 10060 4658 10074
TIME...MOT...LOC 0646Z 225DEG 35KT 4728 10086 4701 10073 4678 10078 

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

ANGLIN
902 
WWUS53 KBIS 110656
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
156 AM CDT Fri Jun 11 2021

NDC015-055-059-083-110705-
/O.EXP.KBIS.SV.W.0074.000000T0000Z-210611T0700Z/
Sheridan ND-McLean ND-Burleigh ND-Morton ND-
156 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SHERIDAN...
SOUTHEASTERN MCLEAN...WESTERN BURLEIGH AND NORTHEASTERN MORTON
COUNTIES WILL EXPIRE AT 200 AM CDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible along and behind these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
south central North Dakota.

LAT...LON 4662 10097 4686 10098 4698 10104 4698 10094
      4701 10088 4704 10088 4708 10093 4713 10094
      4718 10099 4725 10098 4727 10100 4729 10106
      4728 10118 4731 10120 4748 10060 4723 10040
      4663 10051 4663 10065 4660 10060 4658 10074
TIME...MOT...LOC 0655Z 225DEG 35KT 4731 10081 4704 10068 4681 10073 

$$

ANGLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:10 PM CDTSevere Thunderstorm WarningBISMcKenzie, Williams65 min
Jun 10, 7:17 PM CDTSevere Thunderstorm WarningBISGolden Valley, McKenzie58 min
Jun 10, 7:30 PM CDTAreal Flood AdvisoryBISMcKenzie3 hr
Jun 10, 7:47 PM CDTSevere Thunderstorm WarningBISBurke, Divide, Williams43 min
Jun 10, 7:49 PM CDTTornado WarningBISMcKenzie26 min
Jun 10, 8:12 PM CDTTornado Warning Tornado observedConsiderable damage threatBISMcKenzie33 min
Jun 10, 8:23 PM CDTSevere Thunderstorm WarningBISBurke, Divide, Mountrail, Williams52 min
Jun 10, 8:45 PM CDTSevere Thunderstorm WarningBISMcKenzie, Williams45 min
Jun 10, 9:28 PM CDTSevere Thunderstorm WarningBISDivide, McKenzie, Williams62 min
Jun 10, 9:49 PM CDTTornado WarningBISWilliams26 min
Jun 10, 9:53 PM CDTSevere Thunderstorm WarningBISBurke, Mountrail52 min
Jun 10, 10:23 PM CDTSevere Thunderstorm WarningBISMcKenzie, Williams52 min
Jun 10, 10:28 PM CDTFlash Flood WarningBISMcKenzie, Williams4 hr
Jun 10, 10:29 PM CDTSevere Thunderstorm WarningBISBurke, Divide, Mountrail, Williams61 min
Jun 10, 10:35 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley, McKenzie, Williams40 min
Jun 10, 10:40 PM CDTSpecial Weather StatementBISRenville50 min
Jun 10, 10:57 PM CDTSevere Thunderstorm WarningBISBurke, Renville, Ward39 min
Jun 10, 11:01 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley, Slope59 min
Jun 10, 11:14 PM CDTSevere Thunderstorm WarningBISDivide, McKenzie, Williams46 min
Jun 10, 11:29 PM CDTSevere Thunderstorm WarningBISBurke, Divide, Mountrail, Williams61 min
Jun 10, 11:45 PM CDTSevere Thunderstorm WarningBISBurke, Divide, McKenzie, Mountrail, Williams45 min
Jun 10, 11:51 PM CDTSevere Thunderstorm WarningBISDunn, Grant, Hettinger, Mercer, Morton, Stark54 min
Jun 11, 12:21 AM CDTSevere Thunderstorm WarningBISGrant, Morton, Sioux54 min
Jun 11, 12:30 AM CDTSevere Thunderstorm WarningBISBottineau, Burke, McKenzie, McLean, Mountrail, Renville and 2 more60 min
Jun 11, 12:37 AM CDTSevere Thunderstorm WarningBISDunn, Mercer, Morton, Oliver, Stark38 min
Jun 11, 12:55 AM CDTSevere Thunderstorm WarningBISBurleigh, Morton, Oliver35 min
Jun 11, 1:11 AM CDTSevere Thunderstorm WarningBISEmmons, Grant, Morton, Sioux34 min
Jun 11, 1:26 AM CDTSevere Thunderstorm WarningBISBottineau, McHenry, McLean, Renville, Rolette, Sheridan and 1 more64 min
Jun 11, 2:00 AM CDTSevere Thunderstorm WarningBISBurleigh, Emmons, Kidder45 min
Jun 11, 2:26 AM CDTSevere Thunderstorm WarningBISBottineau, McHenry, Pierce, Renville, Rolette, Ward64 min
Jun 11, 2:33 AM CDTSevere Thunderstorm WarningBISEmmons, Kidder, Logan, Stutsman57 min
Jun 11, 3:31 AM CDTSpecial Weather StatementBISDickey, Foster, LaMoure, Logan, McIntosh, Stutsman29 min
Jun 11, 3:43 AM CDTSevere Thunderstorm WarningBISDickey, Foster, LaMoure, Logan, McIntosh, Stutsman47 min
Jun 11, 5:19 AM CDTWind AdvisoryBISAdams, Billings, Bottineau, Bowman, Burke, Divide and 19 more16 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.