Alert archive / North Dakota / Special Weather Statements in 2021
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Aug 9, 2021, 2:49 PM CDT for Renville County, North Dakota. It was in force for 41 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
- Aug 9, 2021, 2:49 PM CDT (19:49 UTC)
- Expired
- Aug 9, 2021, 3:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Bismarck, ND
- Hail
- 0.88 in
- Wind
- 40
County Renville County, ND
The radar
The Minot AFB radar (KMBX), 69 km from the middle of the area, began a volume at 19:51 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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 7.8 hours before the alert went out and 235 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
- 851 J/kg
- Mixed-layer CIN
- -361 J/kg
- Mixed-layer LCL
- 1736 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
783
WWUS83 KBIS 091949
SPSBIS
Special Weather Statement
National Weather Service Bismarck ND
249 PM CDT Mon Aug 9 2021
NDZ003-004-092030-
Bottineau ND-Renville ND-
249 PM CDT Mon Aug 9 2021
...A strong thunderstorm will impact portions of northwestern
Bottineau and western Renville Counties through 330 PM CDT...
At 249 PM CDT, Doppler radar was tracking a strong thunderstorm over
Greene, or 13 miles southwest of Mohall, moving northeast at 55 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Mohall around 305 PM CDT.
Other locations in the path of this storm include Sherwood and
Antler.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4900 10112 4853 10177 4856 10185 4872 10185
4900 10168
TIME...MOT...LOC 1949Z 211DEG 47KT 4864 10176
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
TELKENThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 10:10 PM CDT | Special Weather Statement | BIS | Golden Valley, Slope | 50 min |
| Aug 9, 3:55 AM CDT | Fire Weather Watch | BIS | Adams, Bowman, Hettinger, Slope | 24 hr |
| Aug 9, 2:15 PM CDT | Special Weather Statement | BIS | Ward | 45 min |
| Aug 9, 5:23 PM CDT | Severe Thunderstorm Warning | BIS | Wells | 52 min |
| Aug 9, 5:29 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Wells | 46 min |
| Aug 9, 5:53 PM CDT | Special Weather Statement | BIS | Rolette | 37 min |
| Aug 9, 6:02 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Wells | 43 min |
| Aug 9, 6:10 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 35 min |
| Aug 9, 6:43 PM CDT | Severe Thunderstorm Warning | BIS | Foster | 47 min |
Nearby
Special Weather Statements in North Dakota, 2021Every special weather statement 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.