Alert archive / North Dakota / Special Weather Statements in 2020
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Aug 9, 2020, 12:33 AM CDT for McKenzie County, North Dakota. It was in force for 27 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, 2020, 12:33 AM CDT (05:33 UTC)
- Expired
- Aug 9, 2020, 1:00 AM CDT
- In force
- 27 min
- Issued by
- NWS Bismarck, ND
County McKenzie County, ND
The radar
The Minot AFB radar (KMBX), 198 km from the middle of the area, began a volume at 05:36 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 00:00Z, 5.6 hours before the alert went out and 223 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2499 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Bismarck, ND wrote its last area forecast discussion before this special weather statement went out at Aug 8, 9:00 PM CDT, 3 hours 33 minutes earlier.
Area forecast discussion, Aug 8, 9:00 PM CDT, 3 hours 33 minutes before
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</html>Hazardous weather outlook, Aug 8, 10:44 PM CDT, 1 hour 49 minutes before
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</html>In the hours before
Special weather statement, Aug 8, 8:57 PM CDT, 3 hours 36 minutes before
Special Weather Statement
National Weather Service Bismarck ND
757 PM MDT Sat Aug 8 2020
NDZ043-090245-
Bowman ND-
757 PM MDT Sat Aug 8 2020
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN BOWMAN COUNTY UNTIL 845
PM MDT...
At 756 PM MDT, a strong thunderstorm was located 7 miles northeast of
Table Mountain, or 16 miles southwest of Bowman, moving northeast at
25 mph.
Half inch hail and wind gusts to 40 mph will be possible with this
storm.
Locations impacted include...
Bowman.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4595 10343 4595 10367 4597 10371 4625 10347
4605 10318 4594 10339
TIME...MOT...LOC 0156Z 225DEG 21KT 4598 10357
HARGROVESpecial weather statement, Aug 8, 9:41 PM CDT, 2 hours 52 minutes before
Special Weather Statement
National Weather Service Bismarck ND
841 PM MDT Sat Aug 8 2020
NDZ040-043-090315-
Slope ND-Bowman ND-
841 PM MDT Sat Aug 8 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN BOWMAN AND
SOUTHEASTERN SLOPE COUNTIES UNTIL 915 PM MDT...
At 841 PM MDT, a strong thunderstorm was located 7 miles northeast of
Bowman, moving northeast at 40 mph.
Half inch hail and wind gusts to 40 mph will be possible with this
storm.
Locations impacted include...
Buffalo Springs.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek shelter
inside a building or vehicle.
&&
LAT...LON 4628 10340 4651 10309 4633 10292 4629 10293
4628 10293 4628 10299 4624 10300 4615 10328
TIME...MOT...LOC 0241Z 236DEG 33KT 4625 10328
HARGROVESpecial weather statement, Aug 9, 12:33 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Bismarck ND
1233 AM CDT Sun Aug 9 2020
NDZ017-090600-
McKenzie ND-
1233 AM CDT Sun Aug 9 2020
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MCKENZIE COUNTY UNTIL 100
AM CDT/MIDNIGHT MDT/...
At 1233 AM CDT/1133 PM MDT/, a strong thunderstorm was located 9
miles west of Theodore Roosevelt National Park North Unit, or 14
miles southwest of Watford City, moving northeast at 35 mph.
Nickel size hail and wind gusts to 40 mph will be possible with this
storm.
Locations impacted include...
Watford City and Theodore Roosevelt National Park North Unit.
LAT...LON 4787 10333 4780 10309 4759 10310 4748 10342
4763 10363
TIME...MOT...LOC 0533Z 229DEG 29KT 4762 10346
ABELINGThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:57 PM CDT | Special Weather Statement | BIS | Bowman | 48 min |
| Aug 8, 9:04 PM CDT | Severe Thunderstorm Warning | BIS | Bowman | 41 min |
| Aug 8, 9:41 PM CDT | Special Weather Statement | BIS | Slope | 34 min |
| Aug 9, 12:35 AM CDT | Special Weather Statement | BIS | McKenzie | 25 min |
| Aug 9, 1:12 AM CDT | Special Weather Statement | BIS | McKenzie | 33 min |
| Aug 9, 1:57 AM CDT | Special Weather Statement | BIS | Mountrail | 33 min |
| Aug 9, 2:18 AM CDT | Special Weather Statement | BIS | Mountrail | 42 min |
| Aug 9, 2:33 AM CDT | Severe Thunderstorm Warning | BIS | Dunn, McLean, Mountrail | 34 min |
| Aug 9, 3:00 AM CDT | Special Weather Statement | BIS | Mountrail | 30 min |
| Aug 9, 3:19 AM CDT | Special Weather Statement | BIS | Burke | 41 min |
| Aug 9, 5:13 AM CDT | Special Weather Statement | BIS | McHenry, Pierce | 47 min |
| Aug 9, 5:47 AM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 43 min |
| Aug 9, 6:18 AM CDT | Special Weather Statement | BIS | Rolette | 42 min |
| Aug 9, 8:45 AM CDT | Special Weather Statement | BIS | Rolette | 30 min |
| Aug 9, 2:08 PM CDT | Tornado Warning | BIS | LaMoure | 37 min |
| Aug 9, 3:23 PM CDT | Special Weather Statement | BIS | LaMoure | 37 min |
| Aug 9, 3:30 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 30 min |
| Aug 9, 3:50 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 20 min |
Nearby
Special Weather Statements in North Dakota, 2020Every special weather statement in 2020
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.