Alert archive / North Dakota / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 765

July 19, 200314 counties in Minnesota; 19 counties in North Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 19, 2003, 5:30 PM CDT for 14 counties in Minnesota; 19 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 19, 2003, 5:30 PM CDT (22:30 UTC)
Expired
Jul 19, 2003, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 33 counties

Beltrami County, MN, Clearwater County, MN, Itasca County, MN, Kittson County, MN, Koochiching County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Saint Louis County, MN, Benson County, ND, Bottineau County, ND, Cavalier County, ND, Eddy County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, McHenry County, ND, Nelson County, ND, Pembina County, ND, Pierce County, ND, Ramsey County, ND, Rolette County, ND, Sheridan County, ND, Steele County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 88 km from the middle of the area, began a volume at 22:32 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

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

IssuedProductOfficeCountiesLasted
Jul 19, 5:39 PM CDTSevere Thunderstorm WarningFGFCavalier51 min
Jul 19, 5:47 PM CDTSevere Thunderstorm WarningDLHSaint Louis58 min
Jul 19, 5:49 PM CDTSevere Thunderstorm WarningDLHSaint Louis56 min
Jul 19, 6:01 PM CDTTornado WarningFGFCavalier44 min
Jul 19, 6:45 PM CDTSevere Thunderstorm WarningDLHItasca60 min
Jul 19, 6:46 PM CDTSevere Thunderstorm WarningDLHSaint Louis59 min
Jul 19, 6:46 PM CDTSevere Thunderstorm WarningFGFCavalier, Ramsey, Walsh44 min
Jul 19, 6:55 PM CDTSevere Thunderstorm WarningDLHSaint Louis50 min
Jul 19, 6:58 PM CDTTornado WarningDLHItasca47 min
Jul 19, 7:15 PM CDTTornado WarningDLHSaint Louis60 min
Jul 19, 7:29 PM CDTSevere Thunderstorm WarningFGFNelson, Ramsey, Walsh61 min
Jul 19, 7:47 PM CDTTornado WarningDLHItasca58 min
Jul 19, 7:48 PM CDTSevere Thunderstorm WarningDLHSaint Louis57 min
Jul 19, 8:09 PM CDTSevere Thunderstorm WarningDLHSaint Louis51 min
Jul 19, 8:09 PM CDTSevere Thunderstorm WarningFGFGrand Forks66 min
Jul 19, 8:34 PM CDTSevere Thunderstorm WarningFGFSteele56 min
Jul 19, 8:53 PM CDTSevere Thunderstorm WarningFGFTraill37 min
Jul 19, 9:05 PM CDTSevere Thunderstorm WarningDLHSaint Louis55 min
Jul 19, 9:37 PM CDTSevere Thunderstorm WarningFGFCass, Traill38 min
Jul 19, 10:00 PM CDTSevere Thunderstorm WarningFGFRamsey45 min
Jul 19, 10:24 PM CDTSevere Thunderstorm WarningFGFNelson51 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, 10.5 hours before the alert went out and 293 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 2003-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1376 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2003-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
1376 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
65 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 19, 12:31 PM CDTMesoscale DiscussionSPCAitkin, Becker, Carlton, Cass, Chisago, Clearwater and 8 more89 min
Jul 19, 2:40 PM CDTSevere Thunderstorm WatchSPCAitkin, Anoka, Becker, Benton, Carlton, Carver and 24 more5 hr
Jul 19, 5:00 PM CDTMesoscale DiscussionSPCAitkin, Anoka, Becker, Beltrami, Benton, Carlton and 41 more90 min
Jul 19, 6:50 PM CDTSevere Thunderstorm WatchSPCBlue Earth, Brown, Douglas, Faribault, Freeborn, Grant and 12 more5 hr
Jul 18, 8:59 PM CDTMesoscale DiscussionSPCAdams, Bowman, Hettinger, Slope61 min
Jul 19, 3:00 PM CDTMesoscale DiscussionSPCAdams, Bowman, Hettinger, Slope2 hr
Jul 19, 6:02 PM CDTMesoscale DiscussionSPCAdams, Billings, Bowman, Golden Valley, Hettinger, Slope and 1 more118 min

Nearby

Severe Thunderstorm Watches in North Dakota, 2003Severe Thunderstorm Watches in Minnesota, 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.