Alert archive / North Dakota / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 778
The Storm Prediction Center issued this severe thunderstorm watch at Aug 23, 2004, 8:35 PM CDT for 23 counties in North Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2004, 8:35 PM CDT (01:35 UTC)
- Expired
- Aug 24, 2004, 1:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Barnes County, ND, Benson County, ND, Bottineau County, ND, Burleigh County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, Nelson County, ND, Pierce County, ND, Ramsey County, ND, Rolette County, ND, Sheridan County, ND, Stutsman County, ND, Towner County, ND, Wells County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 136 km from the middle of the area, began a volume at 01:35 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.
Warnings issued inside it
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 8:46 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder | 59 min |
| Aug 23, 8:56 PM CDT | Flash Flood Warning | BIS | Burleigh | 94 min |
| Aug 23, 9:18 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 57 min |
| Aug 23, 9:46 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 59 min |
| Aug 23, 10:15 PM CDT | Severe Thunderstorm Warning | BIS | Emmons, Logan, McIntosh | 60 min |
| Aug 23, 10:20 PM CDT | Severe Thunderstorm Warning | FGF | Eddy | 55 min |
| Aug 23, 10:51 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 39 min |
| Aug 23, 11:32 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 43 min |
| Aug 23, 11:56 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 64 min |
| Aug 24, 12:07 AM CDT | Severe Thunderstorm Warning | FGF | Griggs | 38 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 1.6 hours before the alert went out and 164 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
- 1332 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1245 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 8:15 PM CDT | Mesoscale Discussion | SPC | Benson, Burleigh, Eddy, Foster, Kidder, LaMoure and 7 more | 90 min |
| Aug 23, 11:32 PM CDT | Mesoscale Discussion | SPC | Barnes, Griggs, LaMoure, Nelson, Steele, Stutsman | 88 min |
Nearby
Severe Thunderstorm Watches in North Dakota, 2004Every severe thunderstorm watch in 2004
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.