Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 121, NWS Bismarck, ND

July 26, 2021Kidder County, Logan County, Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 26, 2021, 6:42 PM CDT for Kidder County, Logan County, Stutsman County, North Dakota. It was in force for 33 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 26, 2021, 6:42 PM CDT (23:42 UTC)
Expired
Jul 26, 2021, 7:15 PM CDT
In force
33 min
Issued by
NWS Bismarck, ND
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Kidder County, ND, Logan County, ND, Stutsman County, ND

The radar

The Bismarck radar (KBIS), 105 km from the middle of the area, began a volume at 23:44 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 26, 6:45 PM CDTHAIL 1.257 S Crystal Springs, NDLOTS OF SMALLER HAIL ALSO FELL. WIND WAS LIGHT.

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
Jul 26, 5:22 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 11.7 hours before the alert went out and 101 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 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 184 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 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
184 J/kg
Mixed-layer CIN
-482 J/kg
Mixed-layer LCL
2397 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

691 
WUUS53 KBIS 262342
SVRBIS
NDC043-047-093-270015-
/O.NEW.KBIS.SV.W.0121.210726T2342Z-210727T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
642 PM CDT Mon Jul 26 2021

The National Weather Service in Bismarck has issued a

* Severe Thunderstorm Warning for...
  Southeastern Kidder County in south central North Dakota...
  Northeastern Logan County in southeastern North Dakota...
  Southwestern Stutsman County in southeastern North Dakota...

* Until 715 PM CDT.

* At 642 PM CDT, a severe thunderstorm was located 6 miles north of
  Streeter, or 10 miles south of Medina, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Gackle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4679 9965 4692 9954 4680 9886 4647 9919
TIME...MOT...LOC 2342Z 297DEG 25KT 4675 9930 

HAIL...1.25IN
WIND...60MPH
 
$$

SCHILD
1 follow-up statement
513 
WWUS53 KBIS 270010
SVSBIS

Severe Weather Statement
National Weather Service Bismarck ND
710 PM CDT Mon Jul 26 2021

NDC043-047-093-270020-
/O.EXP.KBIS.SV.W.0121.000000T0000Z-210727T0015Z/
Kidder ND-Logan ND-Stutsman ND-
710 PM CDT Mon Jul 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KIDDER...
NORTHEASTERN LOGAN AND SOUTHWESTERN STUTSMAN COUNTIES WILL EXPIRE AT
715 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.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central and southeastern North Dakota.

LAT...LON 4679 9965 4692 9954 4680 9886 4647 9919
TIME...MOT...LOC 0010Z 297DEG 25KT 4667 9908 

$$

SCHILD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 10:59 PM CDTSpecial Weather StatementBISLaMoure46 min
Jul 26, 3:00 AM CDTSpecial Weather StatementBISAdams30 min
Jul 26, 4:13 AM CDTSpecial Weather StatementBISSioux32 min
Jul 26, 2:05 PM CDTHeat AdvisoryBISAdams, Billings, Bowman, Burleigh, Dickey, Dunn and 14 more31 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.