Alert archive / North Dakota / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 617

July 2, 200326 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 2, 2003, 7:00 AM CDT for 26 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 2, 2003, 7:00 AM CDT (12:00 UTC)
Expired
Jul 2, 2003, 1:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 26 counties

Benson County, ND, Bottineau County, ND, Burleigh County, ND, Cavalier County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grant County, ND, Kidder County, ND, Logan County, ND, McHenry County, ND, McIntosh County, ND, McLean County, ND, Mercer County, ND, Morton County, ND, Oliver County, ND, Pierce County, ND, Ramsey County, ND, Renville County, ND, Rolette County, ND, Sheridan County, ND, Sioux County, ND, Stutsman County, ND, Towner County, ND, Ward County, ND, Wells County, ND

The radar

The Bismarck radar (KBIS), 44 km from the middle of the area, began a volume at 11:59 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

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

IssuedProductOfficeCountiesLasted
Jul 2, 8:31 AM CDTSevere Thunderstorm WarningBISBottineau, Renville59 min
Jul 2, 9:00 AM CDTSevere Thunderstorm WarningBISWard60 min
Jul 2, 9:16 AM CDTSevere Thunderstorm WarningBISMcHenry59 min
Jul 2, 9:26 AM CDTSevere Thunderstorm WarningBISBottineau, Rolette64 min
Jul 2, 10:01 AM CDTSevere Thunderstorm WarningFGFTowner44 min
Jul 2, 10:05 AM CDTSevere Thunderstorm WarningBISPierce55 min
Jul 2, 10:06 AM CDTSevere Thunderstorm WarningFGFBenson39 min
Jul 2, 10:18 AM CDTSevere Thunderstorm WarningBISMcHenry27 min
Jul 2, 10:35 AM CDTSevere Thunderstorm WarningBISRolette55 min
Jul 2, 10:46 AM CDTSevere Thunderstorm WarningFGFBenson, Ramsey, Towner44 min
Jul 2, 10:53 AM CDTSevere Thunderstorm WarningFGFEddy37 min
Jul 2, 11:31 AM CDTSevere Thunderstorm WarningFGFNelson, Ramsey, Walsh44 min
Jul 2, 11:34 AM CDTSevere Thunderstorm WarningFGFBenson, Eddy26 min
Jul 2, 11:43 AM CDTSevere Thunderstorm WarningBISWells47 min
Jul 2, 11:44 AM CDTSevere Thunderstorm WarningFGFCavalier46 min
Jul 2, 12:31 PM CDTSevere Thunderstorm WarningFGFCavalier, Pembina44 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, 0.0 hours before the alert went out and 43 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 2003-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2034 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 12:00Z on 2003-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
2034 J/kg
Mixed-layer CIN
-295 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
67 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
Jul 2, 12:41 AM CDTMesoscale DiscussionSPCAdams, Billings, Bowman, Dunn, Golden Valley, Hettinger and 6 more2 hr
Jul 2, 9:20 AM CDTMesoscale DiscussionSPCBarnes, Benson, Burleigh, Cavalier, Eddy, Emmons and 17 more115 min
Jul 2, 11:00 AM CDTMesoscale DiscussionSPCBarnes, Cass, Grand Forks, Griggs, LaMoure, Nelson and 5 more60 min
Jul 2, 11:20 AM CDTSevere Thunderstorm WatchSPCBarnes, Cass, Cavalier, Grand Forks, Griggs, Nelson and 7 more6 hr

Nearby

Severe Thunderstorm Watches in North Dakota, 2003Every severe thunderstorm watch in 2003

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.