Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 69, NWS Bismarck, ND

June 11, 20218 counties in North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 11, 2021, 12:30 AM CDT for 8 counties in North Dakota. It was in force for 60 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 11, 2021, 12:30 AM CDT (05:30 UTC)
Expired
Jun 11, 2021, 1:30 AM CDT
In force
60 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.5 in
Wind
80.0 mph

Counties Bottineau County, ND, Burke County, ND, McKenzie County, ND, McLean County, ND, Mountrail County, ND, Renville County, ND, Ward County, ND, Williams County, ND

The radar

The Minot AFB radar (KMBX), 84 km from the middle of the area, began a volume at 05:35 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 11, 12:43 AM CDTTSTM WND DMG4 W Palermo, ND6 INCH DIAMETER BRANCHES FROM 100 YEAR OLD TREES DOWN. TIME ESTIMATED FROM RADAR.
Jun 11, 1:06 AM CDTTSTM WND GST 615 Nnw Emmet, NDNDAWN SITE NEAR GARRISON.
Jun 11, 1:17 AM CDTTSTM WND DMGRyder, NDDELAYED REPORT. TIME ESTIMATED FROM RADAR. PICTURE FROM SOCIAL MEDIA OF A GRAIN BIN KNOCKED DOWN.

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 10, 9:54 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.5 hours before the alert went out and 157 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.

695 
WUUS53 KBIS 110530
SVRBIS
NDC009-013-053-055-061-075-101-105-110630-
/O.NEW.KBIS.SV.W.0069.210611T0530Z-210611T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
1230 AM CDT Fri Jun 11 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Ward County in north central North Dakota...
  Western Bottineau County in north central North Dakota...
  Renville County in north central North Dakota...
  McLean County in south central North Dakota...
  Burke County in northwestern North Dakota...
  Northeastern McKenzie County in northwestern North Dakota...
  Northeastern Williams County in northwestern North Dakota...
  Mountrail County in northwestern North Dakota...

* Until 130 AM CDT.

* At 1229 AM CDT, severe thunderstorms were located along a line
  extending from 16 miles west of Sherwood to 11 miles north of
  Mckenzie Bay Recreation Area, moving east at 50 mph.

  These are very dangerous storms.

  HAZARD...80 mph wind gusts and ping pong ball size hail.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Severe thunderstorms will be near...
  Sherwood around 1250 AM CDT.
  Roseglen around 100 AM CDT.
  Ryder and Antler around 110 AM CDT.
  Douglas around 120 AM CDT.
  Max around 130 AM CDT.

Other locations impacted by these severe thunderstorms include White
Earth, White Earth Bay Recreation Area, Deep Water Creek Recreation
Area, Larson, Niobe, White Shield, Tagus, Coteau, Falkirk and
Mcgregor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4900 10092 4863 10093 4863 10106 4785 10094
      4716 10095 4729 10103 4725 10121 4729 10135
      4753 10137 4757 10144 4749 10184 4757 10220
      4780 10232 4775 10241 4782 10264 4767 10265
      4777 10302 4863 10300 4864 10288 4900 10293
TIME...MOT...LOC 0529Z 263DEG 42KT 4900 10199 4777 10235 

HAIL...1.50IN
WIND...80MPH
 
$$

SCHILD
1 follow-up statement
617 
WWUS53 KBIS 110551
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
1251 AM CDT Fri Jun 11 2021

NDC053-105-110600-
/O.CAN.KBIS.SV.W.0069.000000T0000Z-210611T0630Z/
McKenzie ND-Williams ND-
1251 AM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCKENZIE AND
NORTHEASTERN WILLIAMS 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 300 AM CDT for
south central, southwestern, north central and northwestern North
Dakota.

LAT...LON 4900 10092 4863 10093 4863 10106 4785 10094
      4716 10095 4729 10103 4725 10121 4729 10134
      4753 10137 4757 10144 4749 10183 4757 10204
      4757 10218 4778 10226 4780 10235 4775 10241
      4783 10265 4800 10255 4812 10283 4900 10293
TIME...MOT...LOC 0550Z 261DEG 37KT 4898 10203 4779 10210 

$$

NDC009-013-055-061-075-101-110630-
/O.CON.KBIS.SV.W.0069.000000T0000Z-210611T0630Z/
Ward ND-Bottineau ND-Renville ND-McLean ND-Burke ND-Mountrail ND-
1251 AM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR WARD...WESTERN BOTTINEAU...RENVILLE...MCLEAN...BURKE AND
MOUNTRAIL COUNTIES...

At 1250 AM CDT, severe thunderstorms were located along a line
extending from 15 miles northeast of Bowbells to 11 miles south of
Parshall, moving east at 45 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

These severe storms will be near...
  Roseglen around 110 AM CDT.
  Sherwood around 115 AM CDT.
  Ryder around 120 AM CDT.
  Douglas around 130 AM CDT.
  Antler around 140 AM CDT.
  Max around 145 AM CDT.

Other locations impacted by these severe thunderstorms include White
Earth, Coulee, White Earth Bay Recreation Area, Pouch Point
Recreation Area, Hartland, Deep Water Creek Recreation Area, Larson,
Tolley, Grano and Emmet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4900 10092 4863 10093 4863 10106 4785 10094
      4716 10095 4729 10103 4725 10121 4729 10134
      4753 10137 4757 10144 4749 10183 4757 10204
      4757 10218 4778 10226 4780 10235 4775 10241
      4783 10265 4800 10255 4812 10283 4900 10293
TIME...MOT...LOC 0550Z 261DEG 37KT 4898 10203 4779 10210 

HAIL...1.25IN
WIND...70MPH
 
$$

SCHILD

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, 12:37 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, 1:27 AM CDTSevere Thunderstorm WarningBISBurleigh, McLean, Morton, Oliver, Sheridan33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.