Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 127, NWS Austin/San Antonio, TX

October 5, 2001Kinney County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Oct 5, 2001, 7:15 PM CDT for Kinney County, Uvalde County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 5, 2001, 7:15 PM CDT (00:15 UTC)
Expired
Oct 5, 2001, 8:15 PM CDT
In force
60 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Kinney County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 21 km from the middle of the area, began a volume at 00:16 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.

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.3 hours before the alert went out and 73 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 00:00Z on 2001-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1663 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, Del Rio, TX at 00:00Z on 2001-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1663 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1120 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

678 
WUUS54 KEWX 060012
SVRSAT
TXC271-463-060115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
715 PM CDT FRI OCT 5 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 815 PM CDT

* AT 715 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES NORTHEAST OF BRACKETTVILLE...OR ABOUT
  30 MILES NORTHWEST OF UVALDE...MOVING SOUTHEAST AT 25 MPH.

VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM.
THIS IS A DANGEROUS STORM. 

PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER.

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 Oct 5, 3:30 PM CDT, 3 hours 45 minutes earlier.

Area forecast discussion, Oct 5, 3:30 PM CDT, 3 hours 45 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
330 PM CDT FRI OCT 5 2001

THREE AREAS OF CONCERN TODAY. THE GULF MOISTURE ALONG THE EASTERN
PORTION OF THE CWA...TROPICAL MOISTURE MOVING OVER THE CENTRAL TO
SOUTHWESTERN COUNTIES AND THE COLD FRONT ON THE NORTH EDGE OF THE
HILL COUNTRY. THE COLD FRONT HAS SLOWED ITS SOUTHERLY PROGRESSION
AND MAY CONFORM TO THE TIMING OF THE ETA. SOME THUNDERSTORMS WILL
POSSIBLY BECOME SEVERE ALONG THE FRONT WHERE DYNAMICS ARE BEST.
LOCALLY HEAVY RAINFALL IS POSSIBLE TONIGHT AS THE FRONT MOVES INTO
THE DEEPER TROPICAL MOISTURE. RAIN SHOULD TAPPER OFF SATURDAY
AFTERNOON...A STRONG PROGRESSION OF COLD AIR BEHIND THE FRONT SHOULD
DRY THE LOWER ATMS.

PRELIMINARY NUMBERS...
AUS  051/063 050/070  8200
DRT  055/069 055/076  6200
SAT  054/066 052/073  8200

.EWX...NONE.

23/03/06

In the hours before

Special weather statement, Oct 5, 3:00 PM CDT, 4 hours 15 minutes before
TXZ171>173-183>194-202>209-217>225-228-052200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
300 PM CDT FRI OCT 5 2001

A STRONG COLD FRONT HAS MOVED TO THE JUST NORTH OF THE HILL COUNTRY
EARLY THIS AFTERNOON.  THE MOVEMENT HAS DECREASED TO 10 MPH, AND
STRONG THUNDERSTORMS ARE DEVELOPING ALONG ITS BOUNDARY.  SOME HAIL,
DEADLY LIGHTNING AND BRIEF HEAVY DOWNPOURS WILL ACCOMPANY
THE THUNDERSTORMS.

AFTER SUNSET, THE COLD FRONT WILL MOVE OUT OF THE HILL COUNTRY AND
THROUGH SOUTH CENTRAL TEXAS.  THE COLD FRONT IS EXPECTED TO REACH THE
AUSTIN AREA AROUND 7 PM...AND THE DEL RIO AND SAN ANTONIO AREAS
AROUND 9 PM.

BEHIND THE COLD FRONT ARE WIDESPREAD RAIN AND ISOLATED THUNDERSTORMS,
CLOUDY SKIES, TEMPERATURES NEAR 60 DEGREES, AND GUSTY NORTH WINDS OF
20 TO 30 MPH. RAINFALL AMOUNTS TONIGHT WILL AVERAGE BETWEEN ONE HALF
AND ONE INCH WITH ISOLATED TOTALS UP TO 3 INCHES POSSIBLE. THE COLDER
AIR AND WINDS WILL CREATE WIND CHILL INDICES 10 DEGREES COLDER THAN
THE ACTUAL AIR TEMPERATURE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION
STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR THE LATER
STATMENTS OR WARNINGS.

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; radar from the NEXRAD Level II archive.