Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 220, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 23, 2020, 11:38 PM CDT for Divide County, Williams County, North Dakota. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 23, 2020, 11:38 PM CDT (04:38 UTC)
- Expired
- Jul 24, 2020, 12:28 AM CDT
- In force
- 50 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Divide County, ND, Williams County, ND
The radar
The Minot AFB radar (KMBX), 194 km from the middle of the area, began a volume at 04:41 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
Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 4.6 hours before the alert went out and 234 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
- 2203 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 23, 9:50 PM CDT, 1 hour 48 minutes earlier.
Area forecast discussion, Jul 23, 9:50 PM CDT, 1 hour 48 minutes before
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</html>Hazardous weather outlook, Jul 23, 9:55 PM CDT, 1 hour 43 minutes before
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Special weather statement, Jul 23, 6:17 PM CDT, 5 hours 21 minutes before
Special Weather Statement National Weather Service Bismarck ND 517 PM MDT Thu Jul 23 2020 NDZ031-240000- Golden Valley ND- 517 PM MDT Thu Jul 23 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GOLDEN VALLEY COUNTY UNTIL 600 PM MDT... At 517 PM MDT, a strong thunderstorm was located 7 miles northeast of Wibaux, moving north at 35 mph. Nickel size hail and wind gusts to 50 mph will be possible with this storm. Locations impacted include... Trotters. 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. && A Severe Thunderstorm Watch remains in effect until 900 PM MDT for southwestern and northwestern North Dakota. LAT...LON 4733 10404 4733 10377 4696 10395 4697 10404 TIME...MOT...LOC 2317Z 193DEG 30KT 4706 10407 HARGROVE
Special weather statement, Jul 23, 8:21 PM CDT, 3 hours 17 minutes before
Special Weather Statement National Weather Service Bismarck ND 721 PM MDT Thu Jul 23 2020 NDZ017-031-240200- McKenzie ND-Golden Valley ND- 721 PM MDT Thu Jul 23 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN GOLDEN VALLEY AND SOUTHWESTERN MCKENZIE COUNTIES UNTIL 800 PM MDT... At 721 PM MDT, a strong thunderstorm was located 6 miles south of Skaar, or 21 miles north of Wibaux, moving northeast at 30 mph. Penny size hail and wind gusts to 50 mph will be possible with this storm. Locations impacted include... Trotters. 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. && A Severe Thunderstorm Watch remains in effect until 900 PM MDT for southwestern and northwestern North Dakota. LAT...LON 4757 10404 4766 10398 4744 10367 4720 10404 TIME...MOT...LOC 0121Z 215DEG 25KT 4729 10408 HARGROVE
Special weather statement, Jul 23, 9:15 PM CDT, 2 hours 23 minutes before
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</html>Special weather statement, Jul 23, 9:30 PM CDT, 2 hours 8 minutes before
Special Weather Statement
National Weather Service Bismarck ND
930 PM CDT Thu Jul 23 2020
NDZ017-240300-
McKenzie ND-
930 PM CDT Thu Jul 23 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL MCKENZIE COUNTY
UNTIL 1000 PM CDT...
At 930 PM CDT, a strong thunderstorm was located over Watford City,
moving north at 35 mph.
Half inch hail and wind gusts to 50 mph will be possible with this
storm.
Locations impacted include...
Watford City.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
northwestern North Dakota.
LAT...LON 4803 10335 4804 10332 4804 10329 4806 10327
4806 10324 4798 10301 4771 10324 4774 10337
TIME...MOT...LOC 0230Z 197DEG 30KT 4783 10326
HARGROVESpecial weather statement, Jul 23, 9:31 PM CDT, 2 hours 7 minutes before
Special Weather Statement National Weather Service Bismarck ND 931 PM CDT Thu Jul 23 2020 NDZ001-240300- Divide ND- 931 PM CDT Thu Jul 23 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN DIVIDE COUNTY UNTIL 1000 PM CDT... At 931 PM CDT, a strong thunderstorm was located 9 miles southeast of Fortuna, or 16 miles west of Crosby, moving north at 45 mph. Half inch hail and wind gusts to 50 mph will be possible with this storm. Locations impacted include... Fortuna. 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. && A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for northwestern North Dakota. LAT...LON 4900 10349 4875 10355 4874 10380 4900 10387 TIME...MOT...LOC 0231Z 177DEG 39KT 4883 10362 HARGROVE
Special weather statement, Jul 23, 10:53 PM CDT, 45 minutes before
Special Weather Statement National Weather Service Bismarck ND 1053 PM CDT Thu Jul 23 2020 NDZ009-017-240430- McKenzie ND-Williams ND- 1053 PM CDT Thu Jul 23 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MCKENZIE AND SOUTHWESTERN WILLIAMS COUNTIES UNTIL 1130 PM CDT... At 1053 PM CDT, a strong thunderstorm was located 5 miles northwest of Williston, moving northeast at 30 mph. Half inch hail and wind gusts to 50 mph will be possible with this storm. Locations impacted include... Williston and Trenton. Very heavy rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4803 10367 4806 10384 4843 10375 4835 10338 TIME...MOT...LOC 0353Z 204DEG 28KT 4821 10370 HARGROVE
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 8:21 PM CDT | Special Weather Statement | BIS | McKenzie | 39 min |
| Jul 23, 9:15 PM CDT | Special Weather Statement | BIS | Divide | 30 min |
| Jul 23, 9:30 PM CDT | Special Weather Statement | BIS | McKenzie | 30 min |
| Jul 23, 9:31 PM CDT | Special Weather Statement | BIS | Divide | 29 min |
| Jul 23, 10:53 PM CDT | Special Weather Statement | BIS | Williams | 37 min |
| Jul 24, 12:32 AM CDT | Special Weather Statement | BIS | Burke | 43 min |
| Jul 24, 12:35 AM CDT | Special Weather Statement | BIS | Ward | 25 min |
| Jul 24, 1:03 AM CDT | Special Weather Statement | BIS | Ward | 27 min |
| Jul 24, 1:22 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Mountrail, Renville, Ward | 53 min |
| Jul 24, 2:13 AM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Renville | 62 min |
| Jul 24, 2:47 AM CDT | Excessive Heat Warning | BIS | Dickey, LaMoure | 17 hr |
| Jul 24, 2:47 AM CDT | Heat Advisory | BIS | Logan, McIntosh, Stutsman | 17 hr |
| Jul 24, 5:51 PM CDT | Special Weather Statement | BIS | Kidder | 24 min |
| Jul 24, 5:52 PM CDT | Special Weather Statement | BIS | Sioux | 8 min |
| Jul 24, 6:01 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 44 min |
| Jul 24, 6:02 PM CDT | Special Weather Statement | BIS | Sioux | 13 min |
| Jul 24, 6:28 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 18 min |
| Jul 24, 6:55 PM CDT | Special Weather Statement | BIS | Kidder | 20 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2020Every severe thunderstorm warning 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.