Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 153, NWS Austin/San Antonio, TX

November 14, 2001Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Nov 14, 2001, 11:23 AM CST for Uvalde County, Texas. It was in force for 52 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Nov 14, 2001, 11:23 AM CST (17:23 UTC)
Expired: Nov 14, 2001, 12:15 PM CST
In force: 52 min
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Uvalde County, TX

What was reported inside it

Time	Report	Where	Remark
Nov 14, 11:55 AM CST	Hail 1	Concan, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 5.4 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1001 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

744 
WUUS54 KEWX 141724
SVRSAT
TXC463-141815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1123 AM CST WED NOV 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
  UVALDE

* UNTIL 1215 PM CST

* AT 1123 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER UVALDE COUNTY...OR ABOUT 20 MILES 
  NORTHWEST OF   UVALDE...MOVING EAST AT 20 MPH.

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.


LAT...LON 2961 10007 2933 10011 2934 9945 2962 9943

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 Nov 14, 11:11 AM CST, 12 minutes earlier.

Area forecast discussion, Nov 14, 11:11 AM CST, 12 minutes before

SOUTH CENTRAL FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1111 AM CST WED NOV 14 2001

SHORT-WAVE AND SPEED MAX WILL MOVE ACROSS CWA THIS AFTERNOON.
THUS...WILL MAINTAIN POPS...ALTHOUGH MAY TWEAK.  SOME BREAKS IN THE
CLOUDS OVER SOUTH CENTRAL TEXAS MAY ALLOW THUNDERSTORMS TO DEVELOP
AND WILL ADD THEM THERE.  TEMPERATURES RISING THROUGH THE 70S DUE TO
THOSE BREAKS AND WILL RAISE A CATEGORY OR SO.  MAY TWEAK WINDS A
LITTLE AS WELL.  04/03.

.EWX...NONE.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 14, 9:51 AM CST	Severe Thunderstorm Warning	EWX	Uvalde	39 min
Nov 14, 12:45 PM CST	Severe Thunderstorm Warning	EWX	Bandera	60 min
Nov 14, 1:38 PM CST	Severe Thunderstorm Warning	EWX	Atascosa	67 min
Nov 14, 2:40 PM CST	Severe Thunderstorm Warning	EWX	Atascosa	65 min
Nov 14, 2:42 PM CST	Severe Thunderstorm Warning	EWX	Bandera	63 min
Nov 14, 3:26 PM CST	Severe Thunderstorm Warning	EWX	Frio	64 min
Nov 14, 4:08 PM CST	Severe Thunderstorm Warning	EWX	Bexar, Medina	67 min
Nov 14, 5:15 PM CST	Severe Thunderstorm Warning	EWX	Bexar, Medina	60 min
Nov 14, 5:59 PM CST	Flash Flood Warning	EWX	Atascosa	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.