Alert archive / South Dakota / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 647

July 5, 200334 counties in South Dakota

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2003, 3:35 PM MDT for 34 counties in South Dakota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 5, 2003, 3:35 PM MDT (21:35 UTC)
Expired
Jul 5, 2003, 9:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
All 34 counties

Bennett County, SD, Brule County, SD, Buffalo County, SD, Butte County, SD, Campbell County, SD, Charles Mix County, SD, Corson County, SD, Custer County, SD, Dewey County, SD, Edmunds County, SD, Fall River County, SD, Faulk County, SD, Gregory County, SD, Haakon County, SD, Hand County, SD, Harding County, SD, Hughes County, SD, Hyde County, SD, Jackson County, SD, Jones County, SD, Lyman County, SD, McPherson County, SD, Meade County, SD, Mellette County, SD, Oglala Lakota County, SD, Pennington County, SD, Perkins County, SD, Potter County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Walworth County, SD, Ziebach County, SD

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 5, 3:39 PM MDTSevere Thunderstorm WarningUNRBennett66 min
Jul 5, 3:46 PM MDTTornado WarningUNRJackson44 min
Jul 5, 3:55 PM MDTSevere Thunderstorm WarningUNRHaakon65 min
Jul 5, 4:24 PM MDTTornado WarningUNRJackson66 min
Jul 5, 4:36 PM MDTTornado WarningUNRBennett39 min
Jul 5, 4:45 PM MDTSevere Thunderstorm WarningUNRTodd45 min
Jul 5, 4:56 PM MDTSevere Thunderstorm WarningUNRMellette64 min
Jul 5, 6:12 PM MDTSevere Thunderstorm WarningABRLyman48 min
Jul 5, 7:02 PM MDTSevere Thunderstorm WarningABRBuffalo43 min
Jul 5, 7:57 PM MDTSevere Thunderstorm WarningFSDCharles Mix33 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

Rapid City, SD (KUNR), launched 12:00Z, 9.6 hours before the alert went out and 182 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, Rapid City, SD at 12:00Z on 2003-07-05Temperature 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, Rapid City, SD at 12:00Z on 2003-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
3199 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
30 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 4, 6:20 PM MDTSevere Thunderstorm WatchSPCAurora, Beadle, Bon Homme, Brookings, Brule, Buffalo and 27 more5 hr
Jul 4, 8:05 PM MDTTornado WatchSPCClay, Lincoln, Minnehaha, Union6 hr
Jul 4, 8:52 PM MDTMesoscale DiscussionSPCAurora, Beadle, Bon Homme, Brule, Charles Mix, Clark and 13 more83 min
Jul 4, 9:45 PM MDTMesoscale DiscussionSPCClay, Lincoln, Minnehaha, Union90 min
Jul 4, 10:21 PM MDTMesoscale DiscussionSPCBon Homme, Hanson, Hutchinson, Lake, McCook, Moody and 2 more24 min
Jul 5, 2:10 PM MDTSevere Thunderstorm WatchSPCBennett, Bon Homme, Charles Mix, Clay, Douglas, Gregory and 8 more7 hr
Jul 5, 3:10 PM MDTMesoscale DiscussionSPCAurora, Beadle, Brule, Buffalo, Clark, Dewey and 20 more65 min
Jul 5, 5:42 PM MDTMesoscale DiscussionSPCBennett, Bon Homme, Charles Mix, Clay, Douglas, Gregory and 8 more93 min

Nearby

Severe Thunderstorm Watches in South 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.