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 7, 2020, 10:21 PM CDT for Bottineau County, North Dakota. It was in force for 24 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 7, 2020, 10:21 PM CDT (03:21 UTC)
- Expired
- Aug 7, 2020, 10:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Bismarck, ND
County Bottineau County, ND
The radar
The Minot AFB radar (KMBX), 55 km from the middle of the area, began a volume at 03:24 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, 3.4 hours before the alert went out and 226 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
- 2236 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 1957 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.5
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 7, 9:36 PM CDT, 45 minutes earlier.
Area forecast discussion, Aug 7, 9:36 PM CDT, 45 minutes before
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</html>Hazardous weather outlook, Aug 7, 8:13 PM CDT, 2 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Bismarck ND 813 PM CDT Fri Aug 7 2020 NDZ003>005-011>013-019>023-034>036-042-045>047-050-090115- Renville-Bottineau-Rolette-Ward-McHenry-Pierce-Mercer-Oliver- McLean-Sheridan-Wells-Morton-Burleigh-Kidder-Grant-Sioux-Emmons- Logan-McIntosh- 813 PM CDT Fri Aug 7 2020 /713 PM MDT Fri Aug 7 2020/ This Hazardous Weather Outlook is for portions of north central North Dakota, south central North Dakota, and southeast North Dakota. .DAY ONE...Tonight Isolated severe thunderstorms are possible through this evening. The main hazards are expected to be up to hail dollar size hail and wind gusts to 60 mph. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Thunderstorms are possible Saturday night and Sunday. Some of these storms could be strong across the James River Valley, with small hail and gusty winds. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any hail or strong winds to the National Weather Service office in Bismarck at 701-223-4582. NDZ001-002-009-010-017-018-031>033-040-041-043-044-090115- Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Golden Valley- Billings-Stark-Slope-Hettinger-Bowman-Adams- 813 PM CDT Fri Aug 7 2020 /713 PM MDT Fri Aug 7 2020/ This Hazardous Weather Outlook is for portions of northwest North Dakota and southwest North Dakota. .DAY ONE...Tonight The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Thunderstorms are possible Saturday night and Sunday. Severe weather is not expected. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. NDZ025-037-048-051-090115- Foster-Stutsman-La Moure-Dickey- 813 PM CDT Fri Aug 7 2020 This Hazardous Weather Outlook is for portions of southeast North Dakota. .DAY ONE...Tonight Isolated thunderstorms are possible. Some of these storms could be strong, with small hail and gusty winds. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Thunderstorms are possible Saturday night and Sunday. Some of these storms could be strong across the James River Valley, with small hail and gusty winds. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
In the hours before
Local storm report, Aug 7, 8:28 PM CDT, 1 hour 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
828 PM CDT FRI AUG 7 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM HAIL BEULAH 47.26N 101.78W
08/07/2020 M1.50 INCH MERCER ND PUBLIC
RELAYED VIA BROADCAST MEDIA.
&&
CWKSpecial weather statement, Aug 7, 8:45 PM CDT, 1 hour 36 minutes before
Special Weather Statement National Weather Service Bismarck ND 845 PM CDT Fri Aug 7 2020 NDZ034-080215- Morton ND- 845 PM CDT Fri Aug 7 2020 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MORTON COUNTY UNTIL 915 PM CDT... At 845 PM CDT, a strong thunderstorm was located 8 miles north of Flasher, or 22 miles southwest of Mandan, moving east at 25 mph. Penny size hail and wind gusts to 40 mph will be possible with this storm. Locations impacted include... Flasher and St. Anthony. 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 4640 10099 4650 10130 4670 10130 4670 10081 TIME...MOT...LOC 0145Z 288DEG 21KT 4658 10121 CJS
Special weather statement, Aug 7, 9:22 PM CDT, 59 minutes before
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</html>Special weather statement, Aug 7, 9:47 PM CDT, 34 minutes before
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</html>Local storm report, Aug 7, 10:16 PM CDT, 5 minutes before
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</html>Special weather statement, Aug 7, 10:21 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:30 PM CDT | Special Weather Statement | BIS | McLean | 30 min |
| Aug 7, 7:45 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 45 min |
| Aug 7, 8:04 PM CDT | Special Weather Statement | BIS | McLean | 41 min |
| Aug 7, 8:45 PM CDT | Special Weather Statement | BIS | Morton | 30 min |
| Aug 7, 8:53 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 52 min |
| Aug 7, 9:00 PM CDT | Severe Thunderstorm Warning | BIS | Grant | 45 min |
| Aug 7, 9:22 PM CDT | Special Weather Statement | BIS | Bottineau | 23 min |
| Aug 7, 9:33 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry | 42 min |
| Aug 7, 9:47 PM CDT | Special Weather Statement | BIS | Sioux | 28 min |
| Aug 7, 10:02 PM CDT | Severe Thunderstorm Warning | BIS | Grant | 28 min |
| Aug 7, 10:32 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 43 min |
| Aug 8, 5:41 AM CDT | Special Weather Statement | BIS | Adams | 49 min |
| Aug 8, 6:23 AM CDT | Special Weather Statement | BIS | Sioux | 52 min |
| Aug 8, 7:03 AM CDT | Special Weather Statement | BIS | Emmons, Sioux | 42 min |
| Aug 8, 8:38 AM CDT | Special Weather Statement | BIS | Dickey, LaMoure, McIntosh | 37 min |
| Aug 8, 9:19 AM CDT | Special Weather Statement | BIS | Dickey, LaMoure | 26 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.