Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 57, NWS Austin/San Antonio, TX

March 25, 2000Burnet County, Llano County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 25, 2000, 7:26 PM CST for Burnet County, Llano County, Texas. It was in force for 64 min. No storm report in the archive falls 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.

The facts

Issued
Mar 25, 2000, 7:26 PM CST (01:26 UTC)
Expired
Mar 25, 2000, 8:30 PM CST
In force
64 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Burnet County, TX, Llano County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.4 hours before the alert went out and 249 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 2000-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 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, Fort Worth, TX at 00:00Z on 2000-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939587897Sfc1 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
887 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1807 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 260130
SVRSAT
TXC053-299-260230-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
726 PM CST SAT MAR 25 2000

THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A

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

* UNTIL 830 PM CST

* AT 726 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHWEST OF TOW...OR ABOUT 11 MILES   
  NORTHWEST OF BUCHANAN DAM...MOVING EAST-SOUTHEAST AT 20 MPH.  THE  
  STORM WILL BE IN THE BLUFFTON - LONE GROVE AREA AROUND 740 PM CDT  
  AND IN THE LAKE BUCHANAN AREA BY 8 PM CDT.  IF THE STORM MAINTAINS 
  ITS PRESENT INTENSITY AND DIRECTION AND SPEED OF MOVEMENT...IT     
  WILL APPROACH BURNET BY 830 PM CDT.

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.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY
LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY
FROM WINDOWS UNTIL THE STORM HAS PASSED.

.END/ LAT...LON 3093 9869 3081 9855 3055 9823 3089 9810

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 Mar 25, 2:00 PM CST, 5 hours 26 minutes earlier.

Area forecast discussion, Mar 25, 2:00 PM CST, 5 hours 26 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
200 PM CST SAT MAR 25 2000

SHORT WAVE ROTATING AROUND UPPER RIDGE TONIGHT WILL PRODUCE SHOWERS
AND THUNDERSTORMS ACROSS NORTH TEXAS AND THE NORTHERN PORTIONS OF
SOUTH CENTRAL TEXAS TONIGHT.  WITH SHORT WAVE PASSAGE EARLY
SUNDAY...UPPER FLOW BECOMES MORE NORTHWESTERLY WITH SURFACE FLOW
REMAINING OUT OF THE SOUTH.  DOWNWARD MOMENTUM FROM UPPER FLOW AND
GOOD LOW LEVEL VEERING OF WINDS WILL SURGE TEMPERATURES UPWARD INTO
MID AND UPPER 80S CENTRAL AND EAST...90S WEST AND HILLS.  SURFACE
RIDGING WILL DOMINATE LATE SUNDAY INTO EARLY MONDAY AS GOOD
NORTHWEST FLOW CONTINUES.  UPPER FLOW FLATTENS OUT TUESDAY WITH
INCREASING LOW LEVEL CLOUDS.  NEXT SIGNIFICANT SHORT WAVE PUSHES OUT
OF MEXICO TUESDAY A CHANCE OF RAIN AND THUNDERSTORMS THEN.  DRY...
WESTERLY FLOW WILL DOMINATE WEDNESDAY AND THURSDAY WITH NO RAIN
EXPECTED.

PRELIMS...
AUS 62/86/55/66 3200
SAT 64/88/56/85 1000
DRT 65/94/58/91 0000

.EWX...NONE.

02/06

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 6:52 PM CSTSevere Thunderstorm WarningEWXLlano68 min
Mar 26, 4:53 PM CSTSevere Thunderstorm WarningEWXBurnet, Llano67 min
Mar 26, 5:17 PM CSTSevere Thunderstorm WarningEWXBlanco58 min
Mar 26, 5:39 PM CSTSevere Thunderstorm WarningEWXWilliamson66 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; the sounding from the Mesonet's radiosonde archive.