Alert archive / North Dakota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 787

August 25, 200423 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Aug 25, 2004, 7:05 PM CDT for 23 counties in North Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Aug 25, 2004, 7:05 PM CDT (00:05 UTC)
Expired
Aug 26, 2004, 12:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 23 counties

Barnes County, ND, Benson County, ND, Burleigh 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, McLean County, ND, Mountrail County, ND, Pierce County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Sheridan County, ND, Stutsman County, ND, Ward County, ND, Wells County, ND

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Aug 25, 7:33 PM CDTSevere Thunderstorm WarningFGFRansom, Sargent42 min
Aug 25, 7:52 PM CDTTornado WarningBISStutsman38 min
Aug 25, 8:00 PM CDTSevere Thunderstorm WarningBISWard60 min
Aug 25, 8:29 PM CDTTornado WarningBISStutsman46 min
Aug 25, 8:38 PM CDTSevere Thunderstorm WarningFGFBarnes52 min
Aug 25, 8:58 PM CDTTornado WarningBISWard47 min
Aug 25, 9:17 PM CDTSevere Thunderstorm WarningBISStutsman43 min
Aug 25, 9:33 PM CDTSevere Thunderstorm WarningFGFBarnes, Griggs42 min
Aug 25, 9:51 PM CDTSevere Thunderstorm WarningBISWard54 min
Aug 25, 10:55 PM CDTSevere Thunderstorm WarningFGFBarnes, Griggs50 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, 0.1 hours before the alert went out and 123 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.

Skew-T log-pSkew-T log-p diagram, Bismarck Municip, ND at 00:00Z on 2004-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1559 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 00:00Z on 2004-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1559 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1549 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.7

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 25, 10:13 PM CDTMesoscale DiscussionSPCBarnes, Benson, Burleigh, Dickey, Eddy, Emmons and 17 more2 hr
Aug 26, 4:39 PM CDTMesoscale DiscussionSPCDickey, Emmons, LaMoure, Logan, McIntosh, Richland and 1 more2 hr

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.