Alert archive / Texas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 219

May 3, 200219 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 3, 2002, 4:45 AM CDT for 19 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 3, 2002, 4:45 AM CDT (09:45 UTC)
Expired
May 3, 2002, 10:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Anderson County, TX, Bell County, TX, Bosque County, TX, Comanche County, TX, Coryell County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Mills County, TX, Navarro County, TX, Robertson County, TX, Somervell County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 91 km from the middle of the area, began a volume at 09:46 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

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

IssuedProductOfficeCountiesLasted
May 3, 4:55 AM CDTSevere Thunderstorm WarningFWDErath50 min
May 3, 5:17 AM CDTSevere Thunderstorm WarningFWDHood, Somervell43 min
May 3, 6:13 AM CDTFlash Flood WarningFWDErath3 hr
May 3, 7:22 AM CDTSevere Thunderstorm WarningFWDBosque38 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.8 hours before the alert went out and 120 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, Fort Worth, TX at 00:00Z on 2002-05-03Temperature 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, Fort Worth, TX at 00:00Z on 2002-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897Sfc1 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
925 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
264 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

Nearby

Severe Thunderstorm Watches in Texas, 2002Every severe thunderstorm watch in 2002

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.