Alert archive / Texas / Flash Flood Warnings in 1995

Flash Flood Warning 16, NWS Austin/San Antonio, TX

May 30, 1995Blanco County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 30, 1995, 12:23 AM CDT for Blanco County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 30, 1995, 12:23 AM CDT (05:23 UTC)
Expired
May 30, 1995, 3:00 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Blanco County, TX

The radar

The Austin/San Antonio radar (KEWX), 72 km from the middle of the area, began a volume at 05:24 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

Del Rio, TX (KDRT), launched 00:00Z, 5.4 hours before the alert went out and 256 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, Del Rio, TX at 00:00Z on 1995-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3001 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 1995-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 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
3001 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
1.6
Supercell composite
9.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSAT 300526
FFWSAT
TXC031-300800-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1223 AM CDT TUE MAY 30 1995
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...BLANCO COUNTY
 
AT 1220 AM CDT...THE NATIONAL WEATHER SERVICE RADAR IN NEW BRAUNFELS...
TEXAS SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER BLANCO COUNTY.
PERIODS OF HEAVY RAIN WILL FALL FROM THESE SHOWERS AND THUNDERSTORMS
FOR THE NEXT FEW 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.
 
AVOID ALREADY FLOODED AREAS.  TRAVELERS SHOULD NOT ATTEMPT TO
CROSS FLOODED ROADS.  IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE
IMMEDIATELY TO HIGHER GROUND.
 
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 29, 7:44 PM CDTSevere Thunderstorm WarningEWXLlano61 min
May 29, 9:15 PM CDTFlash Flood WarningEWXGillespie, Llano105 min
May 29, 9:15 PM CDTSevere Thunderstorm WarningEWXGillespie, Llano105 min
May 29, 10:16 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet104 min
May 29, 10:26 PM CDTSevere Thunderstorm WarningEWXEdwards64 min
May 29, 10:53 PM CDTFlash Flood WarningEWXGillespie, Kerr3 hr
May 29, 10:53 PM CDTSevere Thunderstorm WarningEWXGillespie, Kerr3 hr
May 29, 11:58 PM CDTFlash Flood WarningEWXTravis, Williamson4 hr
May 30, 12:09 AM CDTFlash Flood WarningEWXGillespie, Kerr2 hr
May 30, 3:32 AM CDTSevere Thunderstorm WarningEWXGonzales43 min
May 30, 5:27 AM CDTSevere Thunderstorm WarningEWXVictoria48 min
May 30, 6:00 AM CDTSevere Thunderstorm WarningEWXCalhoun60 min
May 30, 6:12 AM CDTFlash Flood WarningEWXComal2 hr
May 30, 7:09 AM CDTSevere Thunderstorm WarningEWXVal Verde66 min

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.