Alert archive / North Dakota / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 218

May 19, 200418 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at May 19, 2004, 2:15 PM CDT for 18 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 19, 2004, 2:15 PM CDT (19:15 UTC)
Expired
May 19, 2004, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center

Counties Benson County, ND, Bottineau County, ND, Cavalier County, ND, Eddy County, ND, Grand Forks County, ND, McHenry County, ND, McLean County, ND, Nelson County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Towner County, ND, Walsh County, ND, Ward County, ND, Wells County, ND

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 19, 3:59 PM CDTSevere Thunderstorm WarningBISBottineau61 min
May 19, 4:24 PM CDTTornado WarningBISPierce, Rolette66 min
May 19, 5:07 PM CDTTornado WarningFGFTowner53 min
May 19, 5:11 PM CDTTornado WarningFGFGrand Forks, Nelson49 min
May 19, 5:23 PM CDTSevere Thunderstorm WarningFGFRamsey52 min
May 19, 5:44 PM CDTTornado WarningFGFCavalier, Ramsey61 min
May 19, 5:56 PM CDTTornado WarningFGFGrand Forks49 min
May 19, 5:57 PM CDTTornado WarningFGFPembina48 min
May 19, 6:08 PM CDTSevere Thunderstorm WarningFGFWalsh52 min
May 19, 6:27 PM CDTTornado WarningFGFWalsh48 min
May 19, 6:43 PM CDTTornado WarningFGFGrand Forks47 min
May 19, 6:45 PM CDTTornado WarningFGFCavalier, Pembina60 min
May 19, 7:15 PM CDTTornado WarningFGFWalsh60 min
May 19, 7:34 PM CDTSevere Thunderstorm WarningFGFGrand Forks56 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 12:00Z, 7.3 hours before the alert went out and 187 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 2004-05-19Temperature 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 2004-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 373 square meters per square second.19395878Sfc1 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
684 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
373 m²/s²
0-3 km storm-relative helicity
363 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 19, 1:45 PM CDTMesoscale DiscussionSPCBenson, Bottineau, Cavalier, McHenry, McLean, Nelson and 6 more2 hr
May 19, 2:35 PM CDTMesoscale DiscussionSPCBarnes, Cass, Dickey, Grand Forks, Griggs, LaMoure and 6 more115 min
May 19, 3:00 PM CDTTornado WatchSPCBarnes, Cass, Dickey, Griggs, LaMoure, McIntosh and 5 more5 hr
May 19, 5:20 PM CDTMesoscale DiscussionSPCBenson, Bottineau, Cavalier, Eddy, Grand Forks, McHenry and 11 more115 min
May 19, 6:09 PM CDTMesoscale DiscussionSPCBarnes, Cass, Dickey, Griggs, LaMoure, McIntosh and 5 more96 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.