Alert archive / North Dakota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 278, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 23, 2020, 9:08 PM CDT for Stutsman County, North Dakota. It was in force for 67 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
- Aug 23, 2020, 9:08 PM CDT (02:08 UTC)
- Expired
- Aug 23, 2020, 10:15 PM CDT
- In force
- 67 min
- Issued by
- NWS Bismarck, ND
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Stutsman County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 138 km from the middle of the area, began a volume at 02:09 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, 2.1 hours before the alert went out and 134 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
- 2197 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 422 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 Aug 23, 5:54 PM CDT, 3 hours 14 minutes earlier.
Area forecast discussion, Aug 23, 5:54 PM CDT, 3 hours 14 minutes before
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</html>Hazardous weather outlook, Aug 23, 6:49 PM CDT, 2 hours 19 minutes before
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Local storm report, Aug 23, 5:34 PM CDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
534 PM CDT SUN AUG 23 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0500 PM HAIL 3 W FORBES 45.95N 98.85W
08/23/2020 E1.50 INCH DICKEY ND TRAINED SPOTTER
THE LARGEST HAIL RANGED IN SIZE FROM QUARTER
TO JUST UNDER GOLF BALL SIZE. EDGES OF THE
HAIL WERE VERY JAGGED. HAIL LASTED FROM 500
PM TO 505 PM. VERY LITTLE WIND WITH THE
SEVERE STORM AND 0.25 INCHES OF RAIN TOTAL.
THIS REPORT WAS FROM A NDARB OBSERVER.
&&
JP MARTINLocal storm report, Aug 23, 5:44 PM CDT, 3 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
544 PM CDT SUN AUG 23 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0541 PM HAIL 4 S ELLENDALE 45.94N 98.53W
08/23/2020 E1.75 INCH DICKEY ND EMERGENCY MNGR
GOLF BALL SIZE HAIL FALLING AT TIME OF CALL.
LOTS OF LIGHTNING.
&&Local storm report, Aug 23, 6:07 PM CDT, 3 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
607 PM CDT SUN AUG 23 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0505 PM HAIL 2 NNE FORBES 45.97N 98.77W
08/23/2020 M2.50 INCH DICKEY ND TRAINED SPOTTER
HAIL STARTED ABOUT 505 PM AND ENDED AROUND
515 PM. THE LARGEST STONES WERE MEASURED AT
2.50 INCHES DIAMETER. RAIN TOTAL WAS
MEASURED 0.33 INCHES. VERY LITTLE WIND WITH
THE STORM. THIS WAS AN NDARB OBSERVER
REPORT.
&&
JP MARTINSpecial weather statement, Aug 23, 8:27 PM CDT, 41 minutes before
Special Weather Statement
National Weather Service Bismarck ND
827 PM CDT Sun Aug 23 2020
NDZ037-048-240200-
La Moure ND-Stutsman ND-
827 PM CDT Sun Aug 23 2020
...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL LAMOURE AND
SOUTHEASTERN STUTSMAN COUNTIES UNTIL 900 PM CDT...
At 826 PM CDT, a strong thunderstorm was located near Montpelier, or
19 miles southeast of Jamestown, moving northeast at 10 mph.
Nickel size hail will be possible with this storm.
Locations near the path of this storm include...
Adrian and Montpelier.
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 4654 9856 4665 9867 4679 9844 4663 9844
4663 9831
TIME...MOT...LOC 0126Z 242DEG 10KT 4666 9853
SCHILDLocal storm report, Aug 23, 8:34 PM CDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
834 PM CDT SUN AUG 23 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM HAIL 4 NNE GUELPH 46.08N 98.22W
08/23/2020 E1.00 INCH DICKEY ND PUBLIC
&&Special weather statement, Aug 23, 8:41 PM CDT, 27 minutes before
Special Weather Statement
National Weather Service Bismarck ND
841 PM CDT Sun Aug 23 2020
NDZ037-240200-
Stutsman ND-
841 PM CDT Sun Aug 23 2020
...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL STUTSMAN COUNTY
UNTIL 900 PM CDT...
At 841 PM CDT, a strong thunderstorm was located near Spiritwood, or
10 miles northeast of Jamestown, moving east at 40 mph.
Nickel size hail and wind gusts to 40 mph will be possible with this
storm.
Locations impacted include...
Spiritwood Lake and Spiritwood.
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 4694 9864 4707 9866 4709 9847 4698 9847
4698 9844 4690 9844
TIME...MOT...LOC 0141Z 271DEG 35KT 4700 9853
SCHILDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 8:27 PM CDT | Special Weather Statement | BIS | LaMoure | 33 min |
| Aug 23, 8:41 PM CDT | Special Weather Statement | BIS | Stutsman | 19 min |
| Aug 23, 8:58 PM CDT | Areal Flood Advisory | BIS | Foster, Wells | 6 hr |
| Aug 23, 9:14 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 61 min |
| Aug 23, 9:49 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 56 min |
| Aug 23, 10:04 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan, Stutsman | 56 min |
| Aug 23, 11:11 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Kidder, Logan | 64 min |
| Aug 23, 11:47 PM CDT | Special Weather Statement | BIS | Kidder, Stutsman | 43 min |
| Aug 24, 12:07 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 34 min |
| Aug 24, 12:30 AM CDT | Severe Thunderstorm Warning | BIS | Kidder | 45 min |
| Aug 24, 1:03 AM CDT | Severe Thunderstorm Warning | BIS | Kidder, Stutsman | 42 min |
| Aug 24, 1:46 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 44 min |
| Aug 24, 1:50 AM CDT | Areal Flood Advisory | BIS | Kidder, Stutsman | 9 hr |
| Aug 24, 1:55 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 50 min |
| Aug 24, 2:16 AM CDT | Special Weather Statement | BIS | LaMoure | 44 min |
| Aug 24, 2:48 AM CDT | Special Weather Statement | BIS | Stutsman | 42 min |
| Aug 24, 3:15 AM CDT | Special Weather Statement | BIS | LaMoure | 30 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.