Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 96, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 8, 2021, 6:29 PM MDT for Adams County, Bowman County, North Dakota. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2021, 6:29 PM MDT (00:29 UTC)
- Expired
- Jul 8, 2021, 7:02 PM MDT
- In force
- 33 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 70.0 mph
Counties Adams County, ND, Bowman County, ND
The radar
The Bismarck radar (KBIS), 184 km from the middle of the area, began a volume at 00:31 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.
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 8, 3:38 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.5 hours before the alert went out and 188 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
- 624 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -41 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.8
The text
As transmitted.
527
WUUS53 KBIS 090029
SVRBIS
NDC001-011-090115-
/O.NEW.KBIS.SV.W.0096.210709T0029Z-210709T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
629 PM MDT Thu Jul 8 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Southeastern Bowman County in southwestern North Dakota...
Western Adams County in southwestern North Dakota...
* Until 715 PM MDT.
* At 629 PM MDT, a severe thunderstorm was located 7 miles southeast
of Reeder, or 9 miles west of Hettinger, moving southeast at 40
mph.
HAZARD...Golf ball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Hettinger, Reeder, Bucyrus and Gascoyne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4595 10310 4609 10312 4617 10299 4623 10275
4595 10246
TIME...MOT...LOC 0029Z 312DEG 36KT 4603 10282
HAIL...1.75IN
WIND...70MPH
$$
EDWARDS2 follow-up statements
380
WWUS53 KBIS 090047
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
647 PM MDT Thu Jul 8 2021
NDC001-011-090115-
/O.CON.KBIS.SV.W.0096.000000T0000Z-210709T0115Z/
Bowman ND-Adams ND-
647 PM MDT Thu Jul 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR SOUTHEASTERN BOWMAN AND SOUTHWESTERN ADAMS COUNTIES...
At 647 PM MDT, severe thunderstorms were located along a line
extending from Haynes to 12 miles south of Scranton, moving southeast
at 30 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Hettinger.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4604 10311 4605 10280 4609 10261 4595 10246
4595 10310
TIME...MOT...LOC 0047Z 319DEG 27KT 4597 10248 4597 10318
HAIL...1.75IN
WIND...60MPH
$$
EDWARDS128
WWUS53 KBIS 090102
SVSBIS
Severe Weather Statement
National Weather Service Bismarck ND
702 PM MDT Thu Jul 8 2021
NDC001-011-090111-
/O.CAN.KBIS.SV.W.0096.000000T0000Z-210709T0115Z/
Bowman ND-Adams ND-
702 PM MDT Thu Jul 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BOWMAN AND
SOUTHWESTERN ADAMS COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
southwestern North Dakota.
LAT...LON 4604 10311 4605 10280 4609 10261 4595 10246
4595 10310
TIME...MOT...LOC 0100Z 312DEG 36KT 4588 10234 4588 10304
$$
EDWARDSThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 6:11 PM MDT | Severe Thunderstorm Warning | BIS | Billings, McKenzie | 64 min |
| Jul 8, 6:14 PM MDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie, Mountrail | 61 min |
| Jul 8, 6:44 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, Stark | 61 min |
| Jul 8, 6:50 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn, McKenzie | 55 min |
| Jul 8, 6:58 PM MDT | Special Weather Statement | BIS | Burke, Mountrail, Renville, Ward | 47 min |
| Jul 8, 8:01 PM MDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 59 min |
| Jul 8, 8:42 PM MDT | Severe Thunderstorm Warning | BIS | Adams, Grant, Hettinger | 63 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.