Alert archive / Texas / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 50, NWS Austin/San Antonio, TX

April 14, 1991Bastrop County, Caldwell County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 14, 1991, 5:38 AM CDT for Bastrop County, Caldwell County, Texas. It was in force for 52 min. 1 report 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
Apr 14, 1991, 5:38 AM CDT (10:38 UTC)
Expired
Apr 14, 1991, 6:30 AM CDT
In force
52 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Bastrop County, TX, Caldwell County, TX

What was reported inside it

TimeReportWhereRemark
Apr 14, 6:10 AM CDTThunderstorm Wind 0Bastrop, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 10.6 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, Corpus Christi, TX at 00:00Z on 1991-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3709 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, Corpus Christi, TX at 00:00Z on 1991-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
3709 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Apr 14, 2:22 AM CDT, 3 hours 16 minutes before
TXZ034>030-140900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
220 AM CDT SUN APR 14 1991

...THUNDERSTORM DEVELOPING RAPIDLY OVER THE HILL COUNTRY...

AT 210 AM CDT AUSTIN RADAR INDICATED THUNDERSTORMS DEVELOPING RAPIDLY
FROM KERVILLE WEST TO UVALDE.  SOME OF THE THUNDERSTORMS ARE STRONG
AND COULD PRODUCE STRONG WINDS AND HAIL.

THESE STORMS COULD MOVE INTO GILLESPIE AND BLANCO COUNTIES IN THE
NEXT HOUR.

STAY IN TOUCH OF RAPVIDLY CHANGING  WEATHER CONDITIONS AND FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

RVL
Special weather statement, Apr 14, 3:20 AM CDT, 2 hours 18 minutes before
TXZ030>037-141000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
0320 AM CDT SUN APR 14 1991

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 AM CDT FOR PARTS OF
   CENTRAL AND SOUTHERN TEXAS...AND INCLUDES THE FOLLOWING COUNTIES
   BURLESON...GILLESPIE...WILLIAMSON...BURNET...LEE...TRAVIS...BLANCO
   CALDWELL...FAYETTE...BASTROP...HAYS...LLANO AND MILAM...
...THUNDERSTORM DEVELOPING RAPIDLY OVER THE HILL COUNTRY...

AT 315 AM CDT AUSTIN RADAR SHOWED THUNDERSTORMS FROM BURNET AND BLANCO
DOWN SOUTHWEST BEYOND HONDO. THESE THUNDERSTORMS HAVE BEEN VERY STRONG
AND SOME HAVE PRODUCED HAIL...STRONG WINDS AND HEAVY RAIN.

THESE STORMS WERE MOVING TOWARDS THE NORTHEAST AT 25 MILES AN HOUR.
THESE STORMS WERE INCREASING IN INTENSITY BETWEEN 2 AND 3 AM CDT.

LISTEN FOR LATER STATEMENTS AND WARNINGS THAT WILL BE ISSUED...TUNE
TO LOCAL TV...RADIO OR NOAA WEATHER RADIO.            WITHROW

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 7:17 PM CDTSevere Thunderstorm WarningEWXBastrop, Lee58 min
Apr 13, 7:55 PM CDTSevere Thunderstorm WarningEWXFayette65 min
Apr 13, 8:51 PM CDTSevere Thunderstorm WarningEWXBastrop, Fayette69 min
Apr 13, 9:56 PM CDTSevere Thunderstorm WarningEWXFayette64 min
Apr 14, 2:29 AM CDTSevere Thunderstorm WarningEWXKerr61 min
Apr 14, 2:56 AM CDTSevere Thunderstorm WarningEWXBandera, Frio, Medina, Uvalde, Zavala64 min
Apr 14, 3:17 AM CDTSevere Thunderstorm WarningEWXBlanco, Gillespie58 min
Apr 14, 3:29 AM CDTSevere Thunderstorm WarningEWXBexar, Comal, Kendall61 min
Apr 14, 3:58 AM CDTSevere Thunderstorm WarningEWXHays62 min
Apr 14, 4:41 AM CDTSevere Thunderstorm WarningEWXTravis64 min
Apr 14, 4:58 AM CDTSevere Thunderstorm WarningEWXHays47 min
Apr 14, 5:13 AM CDTSevere Thunderstorm WarningEWXMilam62 min
Apr 14, 6:15 AM CDTSevere Thunderstorm WarningEWXFayette45 min
Apr 14, 6:27 AM CDTSevere Thunderstorm WarningEWXLavaca63 min
Apr 14, 1:33 PM CDTSevere Thunderstorm WarningEWXVictoria57 min

Nearby

Severe Thunderstorm Warnings in Texas, 1991Every severe thunderstorm warning in 1991

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.