Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 9, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 5, 1991, 5:47 AM CST for Victoria County, Texas. It was in force for 118 min.
The area
The counties it named.
The facts
- Issued
- Apr 5, 1991, 5:47 AM CST (11:47 UTC)
- Expired
- Apr 5, 1991, 7:45 AM CST
- In force
- 118 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Victoria County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 11.8 hours before the alert went out and 124 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.
- Mixed-layer CAPE
- 1559 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KVCT 051149 FFWVCT TXC469-051345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE VICTORIA TX 547 AM CST FRI APR 5 1991 THE NATIONAL WEATHER SERVICE IN VICTORIA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...VICTORIA COUNTY AT 550 AM CST STRONG THUNDERSTORMS CONTINUED TO TRACK OVER VICTORIA COUNTY. NEARLY 5 INCHES OF RAINFALL...4.90...HAS FALLEN DURING THE NIGHT WITH ADDITIONAL HEAVY RAIN FORECAST TODAY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood 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 5, 12:12 AM CST, 5 hours 35 minutes before
TXZ036-037-050730
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN TX
1205 AM CST FRI APR 5 1991
...FLASH FLOOD WATCH IN EFFECT...
AT 1157 PM CST...RADAR INDICATED A WIDESPREAD AREA OF SHOWERS AND THUNDER-
STORMS OVER CENTRAL AND SOUTH CENTRAL TEXAS. THE AREA WAS 80 MILES WIDE
EXTENDING FROM SAN ANTONIO TO SAN MARCOS TO BASTROP TO COLLEGE STATION.
THE HEAVIEST RAINFAL WAS OCCURRING JUST NORTH OF SAN ANTONIO TO WEST OF
SAN MARCOS TO NEAR AUSTIN. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS
NORTHEAST AT 15 MPH.
RAINFALL DURING THE EVENING HOURS YESTERDAY HAVE SATURATED THE GROUND IN MANY
LOCATIONS WITH SOME LOW WATER CROSSINGS AND LOW LYING AREAS REPORTED UNDER
WATER. WITH ADDITIONAL RAINFALL LIKELY TONIGHT AND ON FRIDAY...FLOODING AND
FLASH FLOODING COULD BECOME A SERIOUS THREAT WITH LITTLE OR NO WARNING.
IN ADDITION...FREQUENT LIGHTNING HAS BEEN REPORTED WITH THE THUNDERSTORM
ACTIVITY.
PERSONS SHOULD AVOID TRAVEL IF AT ALL POSSIBLE TONIGHT AND FRIDAY.
REMEMBER...LOW WATER CROSSINGS ARE THE FIRST TO FLOOD AND CROSSING
THEM CAN BE FATAL. STAY TUNED TO YOUR LOCAL TV/RADIO OR NOAA WEATHER
FOR FURTHER UPDATES OR POSSIBLE WARNINGS ON THIS PO
TENTIALLY DANGEROUS
FLOOD SITUATION.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 4:20 AM CST | Flash Flood Warning | EWX | Bexar | 3 hr |
| Apr 5, 6:27 AM CST | Severe Thunderstorm Warning | EWX | Jackson, Victoria | 63 min |
| Apr 5, 7:02 AM CST | Flash Flood Warning | EWX | Bexar | 3 hr |
| Apr 5, 7:27 AM CST | Severe Thunderstorm Warning | EWX | Calhoun, Jackson | 63 min |
| Apr 5, 7:38 AM CST | Flash Flood Warning | EWX | Victoria | 3 hr |
| Apr 5, 8:29 AM CST | Flash Flood Warning | EWX | Calhoun | 3 hr |
| Apr 5, 10:29 AM CST | Flash Flood Warning | EWX | Victoria | 2 hr |
| Apr 5, 11:29 AM CST | Flash Flood Warning | EWX | Calhoun | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood 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; the sounding from the Mesonet's radiosonde archive.