Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 4, NWS Austin/San Antonio, TX

May 29, 1995Williamson County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 29, 1995, 12:11 AM CDT for Williamson County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 29, 1995, 12:11 AM CDT (05:11 UTC)
Expired
May 29, 1995, 2:15 AM CDT
In force
2 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Williamson County, TX

The radar

The Ft Hood radar (KGRK), 22 km from the middle of the area, began a volume at 05:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 5.2 hours before the alert went out and 245 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 1995-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1321 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 1995-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1321 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1410 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 290514
FFWSAT
TXC491-290715-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1211 AM CDT MON MAY 29 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...WILLIAMSON COUNTY
 
AT 1205 AM CDT THUNDERSTORMS IN WILLIAMSON COUNTY ONE NEAR JERRELL AND
ANOTHER BETWEEN GEORGETOWN AND TAYLOR WERE NEARLY STATIONARY PRODUCING
2 TO 3 INCHES AN HOUR AS PER ESTIMATE FROM DOPPLER RADAR.
 
STORMS WITH VERY HEAVY RAINFALL CONTINUE TO DEVELOP OVER WILLIAMSON
COUNTY AND WILL CONTINUE TO DO SO FOR THE NEXT COUPLE OF HOURS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS OBSERVED
ACT QUICKLY.  MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS AND OTHER
PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN
THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:09 PM CDTSevere Thunderstorm WarningEWXWebb36 min
May 29, 12:32 AM CDTFlash Flood WarningEWXWebb3 hr
May 29, 12:32 AM CDTSevere Thunderstorm WarningEWXWebb3 hr
May 29, 12:43 AM CDTFlash Flood WarningEWXGillespie2 hr
May 29, 1:48 AM CDTFlash Flood WarningEWXTravis117 min
May 29, 2:09 AM CDTFlash Flood WarningEWXGillespie3 hr
May 29, 2:15 AM CDTFlash Flood WarningEWXWilliamson3 hr
May 29, 2:38 AM CDTFlash Flood WarningEWXGillespie3 hr
May 29, 3:14 AM CDTFlash Flood WarningEWXBlanco, Burnet2 hr

Nearby

Flash Flood Warnings in Texas, 1995Every flash flood warning in 1995

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; radar from the NEXRAD Level II archive.