Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 206, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 17, 2020, 5:44 PM CDT for 4 counties in North Dakota. It was in force for 61 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 17, 2020, 5:44 PM CDT (22:44 UTC)
- Expired
- Jul 17, 2020, 6:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties McHenry County, ND, McLean County, ND, Pierce County, ND, Sheridan County, ND
The radar
The Minot AFB radar (KMBX), 57 km from the middle of the area, began a volume at 22:48 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 17, 12:30 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 10.7 hours before the alert went out and 128 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
- 610 J/kg
- Mixed-layer CIN
- -328 J/kg
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.1
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 17, 5:29 PM CDT, 15 minutes earlier.
Area forecast discussion, Jul 17, 5:29 PM CDT, 15 minutes before
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</html>Hazardous weather outlook, Jul 17, 2:57 PM CDT, 2 hours 47 minutes before
Hazardous Weather Outlook National Weather Service Bismarck ND 257 PM CDT Fri Jul 17 2020 NDZ034>037-042-045>048-050-051-182000- Morton-Burleigh-Kidder-Stutsman-Grant-Sioux-Emmons-Logan-La Moure- McIntosh-Dickey- 257 PM CDT Fri Jul 17 2020 /157 PM MDT Fri Jul 17 2020/ This Hazardous Weather Outlook is for portions of south central North Dakota and southeast North Dakota. .DAY ONE...This Afternoon and Tonight Severe thunderstorms are likely this afternoon and early evening in central and parts of western North Dakota. The main threats will be large hail up to two inches in diameter and damaging winds up to 75 mph with potential supercell thunderstorms. A tornado or two is also possible. A chance of thunderstorms will also return to central North Dakota late tonight, with a strong storm possible. A heat advisory is in effect until 7 PM CDT. See weather.gov/bis for details. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Isolated severe thunderstorms are possible Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed this afternoon and early evening. NDZ003>005-010>013-018>023-025-033-041-044-182000- Renville-Bottineau-Rolette-Mountrail-Ward-McHenry-Pierce-Dunn- Mercer-Oliver-McLean-Sheridan-Wells-Foster-Stark-Hettinger-Adams- 257 PM CDT Fri Jul 17 2020 /157 PM MDT Fri Jul 17 2020/ This Hazardous Weather Outlook is for portions of north central North Dakota, northwest North Dakota, south central North Dakota, southeast North Dakota, and southwest North Dakota. .DAY ONE...This Afternoon and Tonight Severe thunderstorms are likely this afternoon and early evening in central and parts of western North Dakota. The main threats will be large hail up to two inches in diameter and damaging winds up to 70 mph with potential supercell thunderstorms. A tornado or two is also possible. A chance of thunderstorms will also return to central North Dakota late tonight, with a strong storm possible. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Isolated severe thunderstorms are possible Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will be needed this afternoon and early evening. NDZ001-002-009-017-031-032-040-043-182000- Divide-Burke-Williams-McKenzie-Golden Valley-Billings-Slope- Bowman- 257 PM CDT Fri Jul 17 2020 /157 PM MDT Fri Jul 17 2020/ This Hazardous Weather Outlook is for portions of northwest North Dakota and southwest North Dakota. .DAY ONE...This Afternoon and Tonight A chance of thunderstorms will return to western North Dakota late tonight, with a strong storm possible. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Isolated severe thunderstorms are possible Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. waa
In the hours before
Local storm report, Jul 17, 4:06 PM CDT, 1 hour 38 minutes before
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</html>Special weather statement, Jul 17, 4:10 PM CDT, 1 hour 34 minutes before
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</html>Local storm report, Jul 17, 4:29 PM CDT, 1 hour 15 minutes before
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</html>Local storm report, Jul 17, 5:05 PM CDT, 39 minutes before
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</html>Local storm report, Jul 17, 5:38 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
538 PM CDT FRI JUL 17 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0531 PM HAIL RUSO 47.83N 100.93W
07/17/2020 M1.75 INCH MCLEAN ND TRAINED SPOTTER
GOLF BALL HAIL LASTED FIVE MINUTES.
&&Local storm report, Jul 17, 5:41 PM CDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
541 PM CDT FRI JUL 17 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0537 PM HAIL 4 SW SIMCOE 48.12N 100.94W
07/17/2020 E2.00 INCH MCHENRY ND TRAINED SPOTTER
&&
RKThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 3:26 AM CDT | Heat Advisory | BIS | Burleigh, Dickey, Emmons, Grant, Kidder, LaMoure and 3 more | 16 hr |
| Jul 17, 11:56 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie, Mountrail, Ward | 64 min |
| Jul 17, 12:44 PM CDT | Special Weather Statement | BIS | Rolette | 46 min |
| Jul 17, 12:54 PM CDT | Special Weather Statement | BIS | Ward | 51 min |
| Jul 17, 1:04 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 41 min |
| Jul 17, 1:08 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 67 min |
| Jul 17, 1:17 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 58 min |
| Jul 17, 1:57 PM CDT | Special Weather Statement | BIS | Ward | 33 min |
| Jul 17, 2:03 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, McHenry, Pierce, Rolette | 57 min |
| Jul 17, 2:06 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Ward | 54 min |
| Jul 17, 2:58 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 47 min |
| Jul 17, 3:08 PM CDT | Special Weather Statement | BIS | Ward | 52 min |
| Jul 17, 3:42 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 48 min |
| Jul 17, 4:10 PM CDT | Special Weather Statement | BIS | McHenry | 50 min |
| Jul 17, 4:48 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 57 min |
| Jul 17, 5:20 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, McLean, Sheridan, Ward | 25 min |
| Jul 17, 6:01 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce, Sheridan, Wells | 59 min |
| Jul 17, 6:04 PM CDT | Severe Thunderstorm Warning | BIS | Foster, Stutsman, Wells | 56 min |
| Jul 17, 6:24 PM CDT | Special Weather Statement | BIS | Burleigh | 21 min |
| Jul 17, 6:39 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, McLean, Oliver | 66 min |
| Jul 17, 6:53 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan, Wells | 67 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.