Alert archive / North Dakota / Special Weather Statements in 2021
Special Weather Statement, NWS Bismarck, ND
NWS Bismarck, ND issued this special weather statement at Jul 25, 2021, 10:59 PM CDT for LaMoure County, North Dakota. It was in force for 46 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 25, 2021, 10:59 PM CDT (03:59 UTC)
- Expired
- Jul 25, 2021, 11:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Bismarck, ND
County LaMoure County, ND
The radar
The Aberdeen radar (KABR), 115 km from the middle of the area, began a volume at 03:59 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
Aberdeen, SD (KABR), launched 00:00Z, 4.0 hours before the alert went out and 176 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
- 1771 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 2015 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 31.3
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 Jul 25, 9:51 PM CDT, 1 hour 8 minutes earlier.
Area forecast discussion, Jul 25, 9:51 PM CDT, 1 hour 8 minutes before
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</html>Hazardous weather outlook, Jul 25, 9:49 PM CDT, 1 hour 10 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>In the hours before
Special weather statement, Jul 25, 10:59 PM CDT, 0 minutes before
Special Weather Statement
National Weather Service Bismarck ND
1059 PM CDT Sun Jul 25 2021
NDZ048-260445-
La Moure ND-
1059 PM CDT Sun Jul 25 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LAMOURE COUNTY UNTIL
1145 PM CDT...
At 1059 PM CDT, a strong thunderstorm was located 8 miles southeast
of Marion, or 26 miles north of Oakes, moving east at 15 mph.
Nickel size hail and wind gusts to 50 mph will be possible with this
storm.
Locations impacted include...
Verona.
LAT...LON 4644 9833 4663 9831 4663 9804 4635 9803
4635 9804
TIME...MOT...LOC 0359Z 283DEG 14KT 4651 9820
MJONESThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Jul 26, 6:42 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 33 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.