Alert archive / North Dakota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 324

May 29, 20048 counties in Minnesota; 24 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2004, 3:25 PM CDT for 8 counties in Minnesota; 24 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 29, 2004, 3:25 PM CDT (20:25 UTC)
Expired
May 29, 2004, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Becker County, MN, Clay County, MN, Douglas County, MN, Grant County, MN, Norman County, MN, Otter Tail County, MN, Polk County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, LaMoure County, ND, Nelson County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Ransom County, ND, Richland County, ND, Rolette County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 38 km from the middle of the area, began a volume at 20:27 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

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

IssuedProductOfficeCountiesLasted
May 29, 4:05 PM CDTSevere Thunderstorm WarningFGFSargent55 min
May 29, 4:23 PM CDTSevere Thunderstorm WarningBISDickey52 min
May 29, 6:19 PM CDTSevere Thunderstorm WarningBISDickey56 min
May 29, 7:33 PM CDTFlash Flood WarningFGFRichland, Sargent12 hr

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 12:00Z, 8.4 hours before the alert went out and 251 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 12:00Z on 2004-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2004-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:31 PM CDTMesoscale DiscussionSPCLincoln, Lyon, Murray, Nobles, Pipestone, Rock and 1 more89 min
May 28, 9:03 PM CDTMesoscale DiscussionSPCBig Stone, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 31 more57 min
May 28, 9:50 PM CDTSevere Thunderstorm WatchSPCBrown, Cottonwood, Jackson, Lincoln, Lyon, Martin and 6 more5 hr
May 28, 11:41 PM CDTMesoscale DiscussionSPCBig Stone, Brown, Chippewa, Cottonwood, Jackson, Lac qui Parle and 12 more94 min
May 29, 12:42 PM CDTMesoscale DiscussionSPCRock93 min
May 29, 2:05 PM CDTTornado WatchSPCBig Stone, Brown, Chippewa, Cottonwood, Grant, Jackson and 22 more8 hr
May 29, 5:01 PM CDTMesoscale DiscussionSPCBig Stone, Brown, Chippewa, Cottonwood, Jackson, Kandiyohi and 20 more119 min
May 29, 3:12 PM CDTMesoscale DiscussionSPCBarnes, Benson, Cass, Cavalier, Eddy, Foster and 12 more2 hr

Nearby

Severe Thunderstorm Watches in North Dakota, 2004Severe Thunderstorm Watches in Minnesota, 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.