Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 141

April 1, 200031 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 1, 2000, 8:00 PM CST for 31 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 1, 2000, 8:00 PM CST (02:00 UTC)
Expired
Apr 2, 2000, 3:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Atascosa County, TX, Bastrop County, TX, Bee County, TX, Bexar County, TX, Blanco County, TX, Caldwell County, TX, Colorado County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Duval County, TX, Fayette County, TX, Frio County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kendall County, TX, La Salle County, TX, Lavaca County, TX, Lee County, TX, Live Oak County, TX, McMullen County, TX, Medina County, TX, Travis County, TX, Webb County, TX, Williamson County, TX, Wilson County, TX, Zapata County, TX, Zavala County, TX

The radar

The Austin/San Antonio radar (KEWX), 131 km from the middle of the area, began a volume at 02:01 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

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

IssuedProductOfficeCountiesLasted
Apr 1, 8:03 PM CSTSevere Thunderstorm WarningCRPWebb57 min
Apr 1, 8:19 PM CSTSevere Thunderstorm WarningEWXAtascosa71 min
Apr 1, 8:53 PM CSTSevere Thunderstorm WarningEWXWilliamson67 min
Apr 1, 9:19 PM CSTSevere Thunderstorm WarningEWXBexar56 min
Apr 1, 10:12 PM CSTSevere Thunderstorm WarningEWXKendall63 min
Apr 1, 10:25 PM CSTSevere Thunderstorm WarningEWXAtascosa65 min
Apr 1, 10:30 PM CSTSevere Thunderstorm WarningCRPMcMullen30 min
Apr 1, 10:36 PM CSTSevere Thunderstorm WarningEWXBlanco54 min

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 2.0 hours before the alert went out and 190 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, Corpus Christi, TX at 00:00Z on 2000-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2670 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, Corpus Christi, TX at 00:00Z on 2000-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
2670 J/kg
Mixed-layer CIN
-223 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-36 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 1:30 AM CSTSevere Thunderstorm WatchSPCAngelina, Austin, Brazoria, Chambers, Colorado, Fort Bend and 21 more6 hr
Apr 2, 12:30 PM CDTTornado WatchSPCBrazoria, Chambers, Fort Bend, Galveston, Hardin, Harris and 11 more6 hr
Apr 2, 6:00 PM CDTTornado WatchSPCChambers, Galveston, Hardin, Jasper, Jefferson, Liberty and 4 more6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2000Every severe thunderstorm watch in 2000

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.