Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 59, NWS Austin/San Antonio, TX

March 26, 2000Blanco County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 26, 2000, 5:17 PM CST for Blanco County, Texas. It was in force for 58 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 26, 2000, 5:17 PM CST (23:17 UTC)
Expired
Mar 26, 2000, 6:15 PM CST
In force
58 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Blanco County, TX

What was reported inside it

TimeReportWhereRemark
Mar 26, 5:35 PM CSTHail 2.5Blanco, TX
Mar 26, 6:05 PM CSTHail 1.75Blanco, TX
Mar 26, 6:10 PM CSTThunderstorm WindTwin Sisters, TXTrees were reported blown down by severe thunderstorm winds.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 26, 5:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 11.3 hours before the alert went out and 300 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, Corpus Christi, TX at 12:00Z on 2000-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 353 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, Corpus Christi, TX at 12:00Z on 2000-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
353 J/kg
Mixed-layer CIN
-328 J/kg
Mixed-layer LCL
890 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
-44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KEWX 262322
SVRSAT
TXC031-270015-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
517 PM CST SUN MAR 26 2000

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

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

* UNTIL 615 PM CST

* AT 517 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 
MILES NORTHWEST OF JOHNSON CITY...WITH MOVEMENT TOWARD THE SOUTHEAST 
AT 30 MPH TOWARDS JOHNSON CITY.

HAIL UP TO AN INCH IN DIAMETER HAS BEEN REPORTED WITH THIS STORM. IF 
YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE 
TO A SUBSTANTIAL SHELTER.

A TORNADO WATCH IS ALSO IN EFFECT UNTIL 11 PM CST.

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/

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 25, 7:26 PM CSTSevere Thunderstorm WarningEWXBurnet, Llano64 min
Mar 26, 4:53 PM CSTSevere Thunderstorm WarningEWXBurnet, Llano67 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.