Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 121, NWS Bismarck, ND
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 6:45 PM CDT | HAIL 1.25 | 7 S Crystal Springs, ND | LOTS 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 26, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | 5 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.
- 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
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
$$
SCHILD1 follow-up statement
513
WWUS53 KBIS 270010
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
710 PM CDT Mon Jul 26 2021
NDC043-047-093-270020-
/O.EXP.KBIS.SV.W.0121.000000T0000Z-210727T0015Z/
Kidder ND-Logan ND-Stutsman ND-
710 PM CDT Mon Jul 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KIDDER...
NORTHEASTERN LOGAN AND SOUTHWESTERN STUTSMAN COUNTIES WILL EXPIRE AT
715 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central and southeastern North Dakota.
LAT...LON 4679 9965 4692 9954 4680 9886 4647 9919
TIME...MOT...LOC 0010Z 297DEG 25KT 4667 9908
$$
SCHILDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 10:59 PM CDT | Special Weather Statement | BIS | LaMoure | 46 min |
| Jul 26, 3:00 AM CDT | Special Weather Statement | BIS | Adams | 30 min |
| Jul 26, 4:13 AM CDT | Special Weather Statement | BIS | Sioux | 32 min |
| Jul 26, 2:05 PM CDT | Heat Advisory | BIS | Adams, Billings, Bowman, Burleigh, Dickey, Dunn and 14 more | 31 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.