Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 109, NWS Austin/San Antonio, TX

June 14, 2001Dimmit County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 14, 2001, 8:41 PM CDT for Dimmit County, Texas. It was in force for 64 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
Jun 14, 2001, 8:41 PM CDT (01:41 UTC)
Expired
Jun 14, 2001, 9:45 PM CDT
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Dimmit County, TX

What was reported inside it

TimeReportWhereRemark
Jun 14, 9:15 PM CDTThunderstorm WindAsherton, TXSevere thunderstorm winds blew down power lines and trees in the Asherton area.

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 00:00Z, 1.7 hours before the alert went out and 161 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 2001-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5337 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 2001-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
5337 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1682 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
73 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.

000 
WUUS54 KEWX 150142
SVRSAT
TXC127-150245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
841 PM CDT THU JUN 14 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 945 PM CDT

* AT 841 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHEAST OF CATARINA...OR ABOUT 15
  MILES SOUTH OF VALLEY WELLS...MOVING NORTH AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  5 MILES EAST OF CATARINA AT 855 PM
  OVER VALLEY WELLS AT 900 PM
  OVER BIG WELLS AT 935 PM

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  CATARINA
  VALLEY WELLS
  BIG WELLS

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY	
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.


LAT...LON 2821 9976 2820 9940 2863 9941 2864 9983

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 Jun 14, 4:00 PM CDT, 4 hours 41 minutes earlier.

Area forecast discussion, Jun 14, 4:00 PM CDT, 4 hours 41 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
400 PM CDT THU JUN 14 2001

HILL COUNTRY AREA MAY BE ON TAIL END OF UPPER DISTURBANCE MOCING
ACROSS NORTH TEXAS TONIGHT.  OTHERWISE EXPECT SOME DEVELOPMENT ALONG
THE DRY LINE WESTERN AREAS TONIGHT AND POSSIBLY WORKING THEIR WAY
EAST INTO CENTRAL AND EASTERN AREAS LATE TONIGHT. WEAK VORTICITY AND
A WEAKENING WINDFIELD MAY RESULT IN LOW POPS (SHOWERS AND
THUNDERSTORMS) TOMORROW.  ISOLATED EVENING CONVECTION WESTERN
PLATEAU AREA TOMORROW NIGHT...THEN RIDGING BUILDS ACROSS SATURDAY
THROUGH THE MIDDLE PART OF THE WEEK.  GOOD EASTERLY WAVE FEATURE BY
LATE NEXT WEEK MAY BRING RAIN CHANCES MAINLY TO CENTRAL AND EASTERN
SECTIONS.

PRELIMS...
AUS 075/092/072/094 4301
DRT 078/097/077/099 4211
SAT 078/094/076/096 3301

.EWX...NONE.
02/06

-

In the hours before

Special weather statement, Jun 14, 5:15 PM CDT, 3 hours 26 minutes before
TXZ171>173-183>192-202-203-150500-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
515 PM CDT THU JUN 14 2001

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT FOR THE TEXAS
HILL COUNTRY EAST TO THE AUSTIN METROPOLITAN AREA.

THIS OUTLOOK APPLIES TO THE FOLLOWING SPECIFIC COUNTIES...

BANDERA...BLANCO...BURNET...EDWARDS...GILLESPIE...HAYS...KENDALL...
KERR...KINNEY...LLANO...REAL...TRAVIS...UVALDE...VAL VERDE AND
WILLIAMSON.

THUNDERSTORMS WILL DEVELOP ALONG A COOL FRONT OVER WEST CENTRAL
TEXAS.  THESE THUNDERSTORMS ARE EXPECTED TO ORGANIZE INTO A SQUALL
LINE AND MOVE INTO THE HILL COUNTRY THIS EVENING AND INTO THE AUSTIN
AREA DURING THE OVERNIGHT HOURS.  ALSO...THUNDERSTORMS WILL DEVELOP
OVER THE MOUNTAINS OF MEXICO.  SOME OF THESE THUNDERSTORMS WILL MOVE
ACROSS THE RIO GRANDE INTO TEXAS.

THE THREAT AREA IS ALONG AND NORTH OF A DEL RIO TO UVALDE TO BOERNE
TO SAN MARCOS TO GEORGETOWN LINE...AND INCLUDES THE AUSTIN
METROPOLITAN AREA AND CITIES OF DEL RIO...FREDERICKSBURG...AND
KERRVILLE.  THE PRIMARY SEVERE WEATHER THREAT WILL LARGE HAIL AND
DAMAGING WINDS.

IN ADDITION...RAINFALL TOTALS OF 1 TO 2 INCHES ARE POSSIBLE WITH
ISOLATED 3 INCH AMOUNTS.

SPOTTER NETWORKS MAY NEED TO BE ACTIVATED AS THE THUNDERSTORMS MOVE
INTO THE THREATENED AREA.

FOR INFORMATION ON WEATHER THREATS IN SURROUNDING AREAS...REFER TO
OUTLOOKS FROM OFFICES IN MIDLAND... SAN ANGELO... FORT WORTH...
HOUSTON/GALVESTON AND CORPUS CHRISTI.
Special weather statement, Jun 14, 8:37 PM CDT, 4 minutes before
TXZ171>173-183>192-202>204-217>219-228-150500-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
837 PM CDT THU JUN 14 2001

THE THREAT OF SEVERE WEATHER HAS BEEN EXPANDED TO INCLUDE THE
FOLLOWING COUNTIES...

DIMMIT...FRIO...MAVERICK...MEDINA AND ZAVALA.

DUE TO INTENSE HEATING ALONG THE RIO GRANDE VALLEY...SEVERE
THUNDERSTORMS HAVE DEVELOPED FROM SOUTHWEST OF COTULLA TO LAREDO AND
SOUTH TO FALCON RESERVOIR.  SOME OF THE THUNDERSTORMS MAY MOVE NORTH
TO AN EAGLE PASS TO UVALDE TO HONDO TO TILDEN LINE.  THE PRIMARY
THREAT WILL BE LARGE HAIL AND DAMAGING WINDS.

THE THREAT OF SEVERE WEATHER REMAINS IN EFFECT FOR THE FOLLOWING
COUNTIES...

BANDERA...BLANCO...BURNET...EDWARDS...GILLESPIE...HAYS...KENDALL...
KERR...KINNEY...LLANO...REAL...TRAVIS...UVALDE...VAL VERDE AND
WILLIAMSON.

A COOL FRONT CONTINUE TO MOVE SLOWLY SOUTHEAST.  THUNDERSTORMS MAY
DEVELOP AND MOVE INTO THE HILL COUNTRY DURING THE OVERNIGHT HOURS.
THE PRIMARY THREAT WILL BE LARGE HAIL AND DAMAGING WINDS.

SPOTTER NETWORKS MAY NEED TO BE ACTIVATED AS THE THUNDERSTORMS MOVE
INTO THE THREATENED AREA.

FOR INFORMATION ON WEATHER THREATS IN SURROUNDING AREAS...REFER TO
OUTLOOKS FROM OFFICES IN MIDLAND... SAN ANGELO... FORT WORTH...
HOUSTON/GALVESTON AND CORPUS CHRISTI.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:37 PM CDTSevere Thunderstorm WarningEWXFrio, Zavala53 min
Jun 14, 10:36 PM CDTSevere Thunderstorm WarningEWXUvalde54 min
Jun 14, 10:53 PM CDTSevere Thunderstorm WarningEWXFrio67 min
Jun 14, 11:42 PM CDTSevere Thunderstorm WarningEWXBexar63 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.