Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 14, NWS Austin/San Antonio, TX

February 28, 2001Edwards County, Real County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 28, 2001, 1:45 PM CST for Edwards County, Real County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Feb 28, 2001, 1:45 PM CST (19:45 UTC)
Expired
Feb 28, 2001, 2:30 PM CST
In force
45 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Edwards County, TX, Real County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.8 hours before the alert went out and 102 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, Del Rio, TX at 12:00Z on 2001-02-28Temperature 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, Del Rio, TX at 12:00Z on 2001-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 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
605 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KEWX 281943
SVRSAT
TXC137-385-282030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
145 PM CST WED FEB 28 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  REAL COUNTY
  EDWARDS COUNTY

* UNTIL 230 PM CST

* AT 142 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER EDWARDS COUNTY...OR ABOUT 53 MILES
  NORTHWEST OF UVALDE...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
RURAL EDWARDS COUNTY AT 200 PM CST
RURAL REAL COUNTY AT 210 PM CST


LAT...LON 2993 10028 2980 10013 3010 9978 3027 9992

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 28, 10:30 AM CST, 3 hours 15 minutes earlier.

Area forecast discussion, Feb 28, 10:30 AM CST, 3 hours 15 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1030 AM CST WED FEB 28 2001

WILL TRIM BACK POPS TO 30 PERCENT FOR THIS AFTERNOON AND REMOVE
MENTION OF THUNDER.  THE MAJORITY OF THE PCPN WILL BE LIGHT RAIN AND
DRIZZLE AS WARM AIR OVERRUNS THE COLDER AIR AT THE SFC.  MODERATE
SHOWERS MAY STILL OCCUR ALONG THE RIO GRANDE WITH A CLAP OF THUNDER
STILL POSSIBLE...BUT TOO REMOTE TO MENTION IN FCST.  LITTLE REBOUND
IN TEMPS THIS AFTERNOON DUE TO CAA AND OVERCAST SKIES.  WINDS WILL
ALSO LOWER TO BELOW CAUTION LEVELS THIS AFTERNOON...SO WILL REMOVE
CAUTION ON AREA LAKES FROM THE FCST.

UPDATED NUMBERS...
AUS 045/040/045/042 3666
SAT 05,0/042/047/044 3666
DRT 052/040/047/045 3666

.EWX...NONE.

13

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning 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.