Alert archive / North Dakota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 106, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 17, 2021, 7:32 PM CDT for Bottineau County, Renville County, North Dakota. It was in force for 28 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 17, 2021, 7:32 PM CDT (00:32 UTC)
- Expired
- Jul 17, 2021, 8:00 PM CDT
- In force
- 28 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Bottineau County, ND, Renville County, ND
The radar
The Minot AFB radar (KMBX), 73 km from the middle of the area, began a volume at 00:35 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 17, 7:52 PM CDT | HAIL 1 | 8 E Sherwood, ND | ONGOING AT TIME OF REPORT. HEAVY RAIN AS WELL. |
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 00:00Z, 0.5 hours before the alert went out and 248 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
- 1344 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 2040 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
883
WUUS53 KBIS 180032
SVRBIS
NDC009-075-180100-
/O.NEW.KBIS.SV.W.0106.210718T0032Z-210718T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Bismarck ND
732 PM CDT Sat Jul 17 2021
The National Weather Service in Bismarck has issued a
* Severe Thunderstorm Warning for...
Northwestern Bottineau County in north central North Dakota...
North central Renville County in north central North Dakota...
* Until 800 PM CDT.
* At 732 PM CDT, a severe thunderstorm was located 6 miles west of
Antler, or 15 miles north of Mohall, moving east at 20 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...
Antler.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4893 10123 4893 10160 4900 10159 4900 10123
TIME...MOT...LOC 0032Z 268DEG 16KT 4898 10143
HAIL...1.25IN
WIND...60MPH
$$
SCHILDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:57 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 48 min |
| Jul 17, 8:15 PM CDT | Special Weather Statement | BIS | Bowman | 30 min |
| Jul 17, 9:21 PM CDT | Special Weather Statement | BIS | Bowman | 39 min |
| Jul 18, 1:22 AM CDT | Special Weather Statement | BIS | Bottineau | 38 min |
| Jul 18, 2:00 AM CDT | Special Weather Statement | BIS | Rolette | 45 min |
| Jul 18, 2:45 AM CDT | Special Weather Statement | BIS | Rolette | 45 min |
| Jul 18, 3:30 AM CDT | Special Weather Statement | BIS | Rolette | 30 min |
| Jul 18, 5:03 AM CDT | Special Weather Statement | BIS | Rolette | 27 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.