Severe Thunderstorm Warning 44, NWS Austin/San Antonio, TX

Issued

Apr 23, 2001, 1:18 AM CDT (06:18 UTC)

Expired

Apr 23, 2001, 2:00 AM CDT

In force

42 min

Issued by

NWS Austin/San Antonio, TX

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Val Verde County, TX

The Laughlin AFB radar (KDFX), 87 km from the middle of the area, began a volume at 06:22 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.

259 
WUUS54 KEWX 230619
SVRSAT
TXC465-230700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
118 AM CDT MON APR 23 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  VAL VERDE COUNTY

* UNTIL 200 AM CDT

* AT 118 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF LOMA ALTA...MOVING EAST
  AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE AT OR NEAR THE INTERSECTION OF 
HIGHWAY 277/377 AT 130 AM CDT

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE
IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A
SUBSTANTIAL SHELTER.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS LOW WATER CROSSINGS...
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND
RIVERS MAY ALSO RISE. SEEK HIGHER GROUND IF THREATENED BY FLOOD
WATERS.


LAT...LON 2983 10105 2964 10105 2975 10070 3006 10073

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 22, 9:15 PM CDT, 4 hours 3 minutes earlier.

SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
915 PM CDT SUN APR 22 2001

CONVECTION TO THE WEST AND NORTHWEST HAVING A DIFFICULT TIME
ENTERING THE CWA THIS EVENING.  THE CDFNT/DRY LINE BECOMES AN
INVERTED TROF NW OF THE CWA AND HENCE THE SLOW SEWD MOVEMENT.
THE CLUSTER OF STORMS JUST SW OF DRT HAVE RIGHT MOVEMENT BUT HAVE
WEAKENED SINCE COMING OFF THE MOUNTAINS...BUT CONT TO REDEVELOP.
CAP REMAINS FAIRLY STG ACROSS THE CWA THIS EVENING WITH A GOOD SLY
30-40 KT LLJ CONTG TO FEED THE STORMS.  NOT PLANNING ON MAKING ANY
CHANGES TO ZONES ATTM AS EXPECTED CONVECTION TO GET MORE ORGANIZED
AS FNTL BOUNDARY SLOWLY NEARS/AND BECOMES MORE E-W HWHILE CONVECTION
TAPS INTO BETTER MOISTURE FROM THE LLJ TOWARDS THE EAST.  MAIN SVR
THREAT WILL BE LARGE HAIL AND DAMAGING WINDS.

.EWX...NONE.

01/16

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

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.