Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 21, NWS Grand Forks, ND

June 8, 2021Barnes County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 8, 2021, 1:39 AM CDT for Barnes County, North Dakota. It was in force for 66 min. 2 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 8, 2021, 1:39 AM CDT (06:39 UTC)
Expired
Jun 8, 2021, 2:45 AM CDT
In force
66 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Barnes County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 109 km from the middle of the area, began a volume at 06:41 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 8, 2:05 AM CDTHAIL 13 W Litchville, ND
Jun 8, 2:05 AM CDTHAIL 13 W Litchville, ND

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 00:00Z, 6.7 hours before the alert went out and 193 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 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1478 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 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1478 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
2452 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted.

256 
WUUS53 KFGF 080639
SVRFGF
NDC003-080745-
/O.NEW.KFGF.SV.W.0021.210608T0639Z-210608T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
139 AM CDT Tue Jun 8 2021

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Southern Barnes County in southeastern North Dakota...

* Until 245 AM CDT.

* At 138 AM CDT, a severe thunderstorm was located near Marion, or 25
  miles southwest of Valley City, moving northeast 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...
  Valley City, Litchville, Fingal, Hastings and Kathryn. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9843 4676 9844 4699 9798 4675 9773
      4663 9801
TIME...MOT...LOC 0638Z 236DEG 26KT 4666 9837 

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

Lynch
2 follow-up statements
299 
WWUS53 KFGF 080713
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
213 AM CDT Tue Jun 8 2021

NDC003-080745-
/O.CON.KFGF.SV.W.0021.000000T0000Z-210608T0745Z/
Barnes ND-
213 AM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHWESTERN BARNES COUNTY...

At 212 AM CDT, a severe thunderstorm was located 8 miles north of 
Hastings, or 8 miles south of Valley City, remaining nearly 
stationary.

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...
Litchville, Hastings and Kathryn. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4663 9843 4676 9844 4685 9826 4685 9796
      4671 9782 4663 9801
TIME...MOT...LOC 0712Z 236DEG 26KT 4680 9807 

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

CJ
249 
WWUS53 KFGF 080724
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
224 AM CDT Tue Jun 8 2021

NDC003-080745-
/O.CON.KFGF.SV.W.0021.000000T0000Z-210608T0745Z/
Barnes ND-
224 AM CDT Tue Jun 8 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHWESTERN BARNES COUNTY...

At 222 AM CDT, a severe thunderstorm was located near Valley City,
moving northeast at 30 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated. At 2:17 AM CDT, 2 inch hail was reported 
         near Adrian, ND.

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.

Locations impacted include...
Litchville, Hastings and Kathryn. 

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 this storm.
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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4663 9843 4676 9844 4683 9830 4681 9795
      4675 9786 4671 9782 4663 9801
TIME...MOT...LOC 0722Z 236DEG 26KT 4684 9798 

HAIL...1.50IN
WIND...60MPH
 
$$

CJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 8:02 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Griggs, Steele58 min
Jun 7, 8:12 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass63 min
Jun 7, 9:09 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass66 min
Jun 7, 9:20 PM CDTSevere Thunderstorm WarningFGFRansom23 min
Jun 7, 10:03 PM CDTSevere Thunderstorm WarningFGFCass, Richland57 min
Jun 7, 10:08 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom, Richland67 min
Jun 7, 11:08 PM CDTSpecial Weather StatementFGFRichland52 min
Jun 8, 2:45 AM CDTSevere Thunderstorm WarningFGFBarnes, Ransom60 min
Jun 8, 3:42 AM CDTSevere Thunderstorm WarningFGFBarnes63 min
Jun 8, 4:12 AM CDTAreal Flood AdvisoryFGFBarnes9 hr
Jun 8, 4:47 AM CDTSevere Thunderstorm WarningFGFRansom58 min
Jun 8, 5:00 AM CDTSevere Thunderstorm WarningFGFBarnes60 min
Jun 8, 5:44 AM CDTSevere Thunderstorm WarningFGFBarnes, Ransom41 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.