Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 80, NWS Bismarck, ND

July 3, 2021Logan County, Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 3, 2021, 6:40 PM CDT for Logan County, Stutsman County, North Dakota. It was in force for 65 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
Jul 3, 2021, 6:40 PM CDT (23:40 UTC)
Expired
Jul 3, 2021, 7:45 PM CDT
In force
65 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Logan County, ND, Stutsman County, ND

The radar

The Bismarck radar (KBIS), 108 km from the middle of the area, began a volume at 23:41 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
Jul 3, 7:15 PM CDTHAIL 1.258 S Streeter, ND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.7 hours before the alert went out and 104 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 2021-07-03Temperature 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 2021-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1984 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

897 
WUUS53 KBIS 032340
SVRBIS
NDC047-093-040045-
/O.NEW.KBIS.SV.W.0080.210703T2340Z-210704T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
640 PM CDT Sat Jul 3 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Northeastern Logan County in southeastern North Dakota...
  South central Stutsman County in southeastern North Dakota...

* Until 745 PM CDT.

* At 640 PM CDT, a severe thunderstorm was located 8 miles southwest
  of Streeter, or 15 miles east of Napoleon, moving east at 10 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...
  Streeter and Gackle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and 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.

&&

LAT...LON 4643 9949 4663 9957 4663 9945 4666 9945
      4673 9913 4647 9905 4640 9939
TIME...MOT...LOC 2340Z 257DEG 9KT 4655 9945 

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

ANGLIN
3 follow-up statements
393 
WWUS53 KBIS 040002
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
702 PM CDT Sat Jul 3 2021

NDC047-093-040045-
/O.CON.KBIS.SV.W.0080.000000T0000Z-210704T0045Z/
Logan ND-Stutsman ND-
702 PM CDT Sat Jul 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN LOGAN AND SOUTH CENTRAL STUTSMAN COUNTIES...

At 702 PM CDT, a severe thunderstorm was located 6 miles south of
Streeter, or 19 miles east of Napoleon, moving east at 10 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...
Gackle and Streeter. 

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.

&&

LAT...LON 4655 9954 4663 9945 4666 9945 4673 9913
      4647 9905 4640 9939 4643 9949
TIME...MOT...LOC 0002Z 257DEG 9KT 4656 9937 

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

ANGLIN
328 
WWUS53 KBIS 040020
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
720 PM CDT Sat Jul 3 2021

NDC047-093-040045-
/O.CON.KBIS.SV.W.0080.000000T0000Z-210704T0045Z/
Logan ND-Stutsman ND-
720 PM CDT Sat Jul 3 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN LOGAN AND SOUTH CENTRAL STUTSMAN COUNTIES...

At 720 PM CDT, a severe thunderstorm was located 6 miles south of
Streeter, or 22 miles south of Medina, moving east at 10 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...
Gackle and Streeter. 

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.

&&

LAT...LON 4663 9945 4666 9945 4673 9913 4647 9905
      4641 9935 4644 9938 4659 9950
TIME...MOT...LOC 0020Z 257DEG 9KT 4657 9930 

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

ANGLIN
607 
WWUS53 KBIS 040040
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
740 PM CDT Sat Jul 3 2021

NDC047-093-040050-
/O.EXP.KBIS.SV.W.0080.000000T0000Z-210704T0045Z/
Logan ND-Stutsman ND-
740 PM CDT Sat Jul 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LOGAN AND SOUTH
CENTRAL STUTSMAN COUNTIES WILL EXPIRE AT 745 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

LAT...LON 4663 9945 4666 9945 4673 9913 4647 9905
      4641 9935 4644 9938 4659 9950
TIME...MOT...LOC 0040Z 257DEG 9KT 4658 9923 

$$

ANGLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 6:24 AM CDTSpecial Weather StatementBISBurleigh36 min
Jul 3, 6:59 AM CDTSpecial Weather StatementBISBurleigh46 min
Jul 3, 4:21 PM CDTSpecial Weather StatementBISRolette24 min
Jul 3, 4:45 PM CDTSpecial Weather StatementBISRolette30 min
Jul 3, 5:45 PM CDTSpecial Weather StatementBISKidder30 min
Jul 3, 6:14 PM CDTSpecial Weather StatementBISLogan31 min
Jul 3, 6:15 PM CDTSpecial Weather StatementBISKidder30 min
Jul 3, 6:39 PM CDTSevere Thunderstorm WarningBISStutsman66 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.