Alert archive / Missouri / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 725

July 11, 200315 counties in Missouri

The Storm Prediction Center issued this severe thunderstorm watch at Jul 11, 2003, 5:10 PM CDT for 15 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 11, 2003, 5:10 PM CDT (22:10 UTC)
Expired
Jul 11, 2003, 10:00 PM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Benton County, MO, Camden County, MO, Dallas County, MO, Douglas County, MO, Hickory County, MO, Howell County, MO, Laclede County, MO, Miller County, MO, Oregon County, MO, Ozark County, MO, Phelps County, MO, Pulaski County, MO, Texas County, MO, Webster County, MO, Wright County, MO

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 11, 5:20 PM CDTSevere Thunderstorm WarningSGFCamden40 min
Jul 11, 5:52 PM CDTSevere Thunderstorm WarningSGFBenton53 min
Jul 11, 5:57 PM CDTTornado WarningSGFBenton48 min
Jul 11, 6:07 PM CDTSevere Thunderstorm WarningSGFCamden, Laclede53 min
Jul 11, 6:08 PM CDTSevere Thunderstorm WarningSGFDallas52 min
Jul 11, 6:15 PM CDTSevere Thunderstorm WarningSGFHickory45 min
Jul 11, 6:18 PM CDTTornado WarningSGFDallas42 min
Jul 11, 6:55 PM CDTSevere Thunderstorm WarningSGFWright65 min
Jul 11, 7:41 PM CDTSevere Thunderstorm WarningSGFPulaski64 min
Jul 11, 7:56 PM CDTSevere Thunderstorm WarningSGFDouglas49 min
Jul 11, 8:07 PM CDTSevere Thunderstorm WarningSGFPhelps53 min
Jul 11, 8:39 PM CDTSevere Thunderstorm WarningSGFTexas66 min
Jul 11, 9:06 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps54 min
Jul 11, 9:33 PM CDTSevere Thunderstorm WarningSGFHickory57 min
Jul 11, 9:55 PM CDTSevere Thunderstorm WarningSGFOregon65 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

Springfield, MO (KSGF), launched 12:00Z, 10.2 hours before the alert went out and 153 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, Springfield, MO at 12:00Z on 2003-07-11Temperature 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, Springfield, MO at 12:00Z on 2003-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
2141 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
222 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 11, 2:41 PM CDTMesoscale DiscussionSPCBarton, Bates, Vernon2 hr
Jul 11, 3:45 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Bates, Cass, Cedar, Christian and 15 more6 hr

Nearby

Severe Thunderstorm Watches in Missouri, 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.