Alert archive / Texas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 285

May 24, 200132 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 24, 2001, 7:45 PM CDT for 32 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 24, 2001, 7:45 PM CDT (00:45 UTC)
Expired
May 25, 2001, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 32 counties

Austin County, TX, Bastrop County, TX, Burleson County, TX, Caldwell County, TX, Chambers County, TX, Colorado County, TX, DeWitt County, TX, Fayette County, TX, Fort Bend County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Jasper County, TX, Jefferson County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX, Liberty County, TX, Montgomery County, TX, Orange County, TX, Polk County, TX, San Jacinto County, TX, Travis County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Wilson County, TX

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 274 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 2001-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2879 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 2001-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
2879 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
897 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.2

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
May 24, 11:00 PM CDTSevere Thunderstorm WatchSPCAransas, Atascosa, Bandera, Bastrop, Bee, Bell and 35 more3 hr

Nearby

Severe Thunderstorm Watches in Texas, 2001Every severe thunderstorm watch in 2001

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.