Alert archive / Texas / Severe Thunderstorm Warnings in 2000

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

July 23, 2000Burnet County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jul 23, 2000, 8:41 PM CDT for Burnet 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
Jul 23, 2000, 8:41 PM CDT (01:41 UTC)
Expired
Jul 23, 2000, 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 Burnet County, TX

What was reported inside it

TimeReportWhereRemark
Jul 23, 9:00 PM CDTHail 1Burnet, 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

Fort Worth, TX (KFWD), launched 00:00Z, 1.7 hours before the alert went out and 253 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, Fort Worth, TX at 00:00Z on 2000-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 325 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2000-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
325 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1971 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 240142
SVRSAT
TXC053-240245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
841 PM CDT SUN JUL 23 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

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

* UNTIL 945 PM CDT

* AT 841 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BURNET...MOVING SOUTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  4 MILES SOUTHWEST OF BERTRAM AT 925 PM CDT

* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
  BURNET
  BERTRAM

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

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 3063 9835 3049 9815 3077 9799 3091 9811

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 Jul 23, 8:24 PM CDT, 17 minutes earlier.

Area forecast discussion, Jul 23, 8:24 PM CDT, 17 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
830 CDT SUN JUL 23 2000

BOUNDARY MOVING SOUTH THROUGH THE CWA BRINGING A BRIEF COOLER
NORTHERLY BREEZE AND A LITTLE SHOT OF RAIN TO WET THE DRYNESS IN THE
AIR.

NORTHERLY FLOW ALOFT WILL CONTINUE TO PUSH THE BOUNDARY THROUGH THE
CWA INTO AND THROUGH THE COASTAL PLAINS.

MONDAY THROUGH TUESDAY WILL SEE THIS BOUNDARY REGION SLOWLY DISSIPATE
AS STRONG SOUTHERLY WINDS PUSH IT BACK NORTH THROUGH CENTRAL TEXAS.

AND SO...MOSTLY TO PARTLY CLOUDY SKIES EAST AND PARTLY CLOUDY TO
MOSTLY SUNNY WEST. BREEZY CONDITIONS ON TAP TUESDAY AS WINDS RESPOND
TO THE PASSING OF THE NEXT FRONTAL SYSTEM ACROSS THE NORTHERN PLAINS
STATES.

AS THIS AFD IS BEING WRITTEN...ANOTHER LINE OF THUNDERSTORMS IS
DEVELOPING OVER THE NORTHERN COUNTIES OF THE HILL COUNTRY...MOVING
SOUTHWARD.

.EWX...NONE.

In the hours before

Special weather statement, Jul 23, 2:45 PM CDT, 5 hours 56 minutes before
TXZ171>173-183>194-202>209-217>225-228-232030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
245 PM CDT SUN JUL 23 2000

...SCATTERED SUMMER AFTERNOON SHOWERS AND THUNDERSTORMS OVER
PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS...

SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED FROM LLANO AND
GILLESPIE COUNTY TO PARTS OF BURNET...BLANCO...WILLIAMSON...
HAYS AND TRAVIS COUNTIES...INCLUDING THE AUSTIN METRO AREA.
MOVEMENT WAS SOUTH AT 20 MPH. THESE SHOWERS AND THUNDERSTORMS
WILL CONTINUE THE REST OF THE AFTERNOON...AND WILL SHORTLY MOVE
INTO PARTS OF KENDALL...HAYS AND BASTROP COUNTIES BEFORE 3 PM...
INCLUDING SAN MARCOS AND BASTROP.  THESE SHOWERS AND THUNDERSTORMS
COULD AFFECT THE NEW BRAUNFELS...SEGUIN...SAN ANTONIO AND HONDO
AREAS IN THE NEXT FEW HOURS.

AS THE SHOWERS AND THUNDERSTORMS PASSED BY MARBLE FALLS...NORTH
WINDS GUSTED TO NEAR 40 MPH...NEAR A TENTH OF AN INCH OF RAIN FELL
AND THE TEMPERATURE FELL TO 79 DEGREES IN RAIN.  IN THE AUSTIN
AREA...SHOWERS AND THUNDERSTORMS PASSED OVER CAMP MABRY...WHERE
TEMPERATURES FELL TO NEAR 80 DEGREES...WITH THE VISIBILITY AT
2 AND ONE HALF MILES IN RAIN...AND WINDS GUSTING TO 24 MPH
FROM THE NORTHWEST.  THE RAIN WITH SHOWERS AND THUNDERSTORMS
WILL CONTINUE TO AFFECT AUSTIN FOR THE NEXT 1 TO 2 HOURS.

FURTHER WEST...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE
OVER EDWARDS...REAL...KINNEY...UVALDE...BANDERA AND MEDINA
COUNTIES MOVING SOUTH AT 20 MPH.  THESE SHOWERS AND
THUNDERSTORMS WILL CONTINUE THE NEXT FEW HOURS IN THE AFTERNOON AS
THEY MOVE SOUTH.

STRONG GUSTY WIND AND OCCASIONAL LIGHTNING IS EXPECTED IN THE
STRONGER SHOWERS AND THUNDERSTORMS IN THE NEXT FEW HOURS.
Special weather statement, Jul 23, 3:44 PM CDT, 4 hours 57 minutes before
TXZ171>173-183>194-202>209-217>225-228-232245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
344 PM CDT SUN JUL 23 2000

...SCATTERED SUMMER AFTERNOON SHOWERS AND THUNDERSTORMS OVER
PARTS OF CENTRAL AND SOUTH CENTRAL TEXAS...

SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED FROM EDWARDS
COUNTY AND EAST TO PARTS OF REAL...KERR...BANDERA...LLANO...
GILLESPIE...BURNET...BLANCO...KENDALL...WILLIAMSON...LEE...
BASTROP...CALDWELL...FAYETTE...HAYS AND TRAVIS COUNTIES...
INCLUDING THE AUSTIN METRO AREA.  MOVEMENT WAS SOUTH AT 20 MPH.
THESE SHOWERS AND THUNDERSTORMS WILL CONTINUE THE REST OF THE
AFTERNOON...AS THEY MOVE SOUTH INTO PARTS OF COMAL...BEXAR...
GUADALUPE...GONZALES...WILSON...MEDINA...UVALDE...KINNEY AND
VAL VERDE COUNTIES.  THESE SHOWERS AND THUNDERSTORMS MAY AFFECT
THE NEW BRAUNFELS...SEGUIN...SAN ANTONIO AND HONDO AREAS IN THE NEXT
FEW HOURS.

AS THE SHOWERS AND THUNDERSTORMS PASSED BY MARBLE FALLS...NORTH
WINDS GUSTED TO NEAR 40 MPH...NEAR A TENTH OF AN INCH OF RAIN FELL
AND THE TEMPERATURE FELL TO 79 DEGREES IN RAIN.  IN THE AUSTIN
AREA...SHOWERS AND THUNDERSTORMS PASSED OVER CAMP MABRY...WHERE
TEMPERATURES FELL TO NEAR 72 DEGREES...WITH THE VISIBILITY NEAR
1 MILE IN RAIN...AND WINDS GUSTING TO 36 MPH.  AS OF 321 PM...
0.69 INCHES OF RAIN AT AUSTIN/MABRY AND 1ST MEASURABLE RAIN
SINCE JUNE 18TH.  AT AUSTIN/BERGSTROM WIND GUSTED TO 39 MPH
FROM THE NORTH NORTHEAST WITH THE THUNDERSTORMS...AND THE
TEMPERATURE DROPPED TO NEAR 83. AS OF 319 PM...0.06 INCHES OF
RAIN HAS FALLEN AT AUSTIN/BERGSTROM...THE 1ST MEASURABLE RAIN
SINCE JUNE 18TH.  OTHER WIND REPORTS ON THE EAST SIDE OF AUSTIN
SHOWED GUSTS NEAR 41 MPH FROM THE THUNDERSTORMS.
THE RAIN WITH SHOWERS AND THUNDERSTORMS WILL CONTINUE
TO AFFECT AUSTIN FOR THE NEXT 1 TO 2 HOURS.

SHOWERS AND THUNDERSTORMS WILL CONTINUE THE REST OF THE AFTERNOON
AND INTO THE EARLY EVENING OVER PARTS OF CENTRAL AND SOUTH CENTRAL
TEXAS.  STRONG GUSTY WIND AND OCCASIONAL LIGHTNING IS EXPECTED IN THE
STRONGER SHOWERS AND THUNDERSTORMS IN THE NEXT FEW HOURS.
WIND GUSTS NEAR 40 MPH ARE POSSIBLE...ALONG WITH BRIEF PERIODS
OF MODERATE TO HEAVY RAIN.  WIT2H THE ABSENCE OF RAIN THE PAST
FEW WEEKS...ROADS THAT GET WET WILL BE SLIPPERY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 9:09 PM CDTSevere Thunderstorm WarningEWXBastrop66 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.