Alert archive / Texas / Flash Flood Warnings in 1992
Flash Flood Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 4, 1992, 2:17 AM CST for Medina County, Uvalde County, Texas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 4, 1992, 2:17 AM CST (08:17 UTC)
- Expired
- Mar 4, 1992, 8:15 AM CST
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Medina County, TX, Uvalde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 8.3 hours before the alert went out and 136 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
- 1920 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1020 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 040822
FFWSAT
TXC325-463-041415-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
217 AM CST WED MAR 4 1992
THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 815 AM CST FOR PEOPLE
IN THE FOLLOWING COUNTIES...
IN SOUTH TEXAS
...MEDINA COUNTY...UVALDE COUNTY...INCLUDING THE FRIO RIVER...
SABINAL RIVER AND HONDO CREEK...
ANOTHER AREA OF THUNDERSTORMS IS MOVING EAST AT 35 MPH ACROSS UVALDE
AND REAL COUNTIES TOWARD BANDERA AND MEDINA COUNTIES. THIS AREA
CONTAINS POSSIBLE HAIL AND FREQUENT LIGHTNING AS WELL AS GUSTY WINDS
AND LOCALLY HEAVY RAIN WHICH MAY CAUSE RAPID FLOODING. SINCE THE
GROUND IS ALREADY SATURATED FROM PREVIOUS RAINFALL...THE NEW RAINS
WILL NOT SOAK IN BUT RUN OFF RAPIDLY INTO ALREADY SWOLLEN OR FLOODED
CREEKS AND RIVERS. THE FRIO AND SABINAL RIVERS...AS WELL AS HONDO
CREEK...WILL BE MOST AFFECTED THIS MORNING.
A FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL 645 AM FOR BANDERA...
COMAL...KENDALL...KERR AND REAL COUNTIES...INCLUDING THE GUADALUPE...
MEDINA AND FRIO RIVERS.
A FLASH FLOOD AND FLOOD WATCH REMAINS IN EFFECT FOR MOST OF SOUTH
TEXAS.
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
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 OCCURRING OR 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 DURING THREATENING RAINS.
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...STREAM...AND RIVERS IN
THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY.
FLOOD PRONE URBAN AREAS FILL WITH WATER QUICKLY. CLOGGED STORM
DRAINS MAY CAUSE OTHER AREAS TO FLOOD. DO NOT DRIVE THROUGH
FLOOD WATERS AND STAY AWAY FROM STORM DRAINS.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
Local storm report, Mar 3, 11:48 PM CST, 2 hours 29 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
1145 PM CST TUE MAR 03 1992
STORM SYSTEM TUESDAY...3/03/1992...
TIME COUNTY EVENT
2110 MILLS MARBLE TO 3/4 INCH HAIL NEAR GOLDTHWAITE AS REPORTED
BY THE MILLS COUNTY SHERIFF OFFICE.
2230 FAYETTE WIND GUST TO 60 MPH NEAR CISTERN AS REPORTED BY TV-24
WEATHER WATCHER.
2240 BASTROP SMITHVILLE POLICE REPORTED 3/4 INCH TO A FEW GOLFBALL
SIZE HAILSTONES IN THE CITY OF SMITHVILLE WITH 40 TO
50 MPH WINDS.
LUNA
.ENDThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 6:00 PM CST | Severe Thunderstorm Warning | EWX | Kinney | 60 min |
| Mar 3, 6:05 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
| Mar 3, 6:46 PM CST | Severe Thunderstorm Warning | EWX | Real | 59 min |
| Mar 3, 6:54 PM CST | Severe Thunderstorm Warning | EWX | Bandera, Kerr | 2 hr |
| Mar 3, 7:05 PM CST | Severe Thunderstorm Warning | EWX | Kinney, Uvalde | 55 min |
| Mar 3, 7:30 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
| Mar 3, 8:04 PM CST | Severe Thunderstorm Warning | EWX | Uvalde | 41 min |
| Mar 3, 8:18 PM CST | Severe Thunderstorm Warning | EWX | Zavala | 57 min |
| Mar 3, 8:34 PM CST | Severe Thunderstorm Warning | EWX | Webb | 56 min |
| Mar 3, 9:02 PM CST | Severe Thunderstorm Warning | EWX | Frio | 58 min |
| Mar 3, 9:45 PM CST | Flash Flood Warning | EWX | Bexar | 4 hr |
| Mar 3, 10:05 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 55 min |
| Mar 3, 10:10 PM CST | Severe Thunderstorm Warning | EWX | Bexar | 65 min |
| Mar 3, 10:15 PM CST | Severe Thunderstorm Warning | EWX | Bastrop | 35 min |
| Mar 3, 10:32 PM CST | Severe Thunderstorm Warning | EWX | Fayette, Lee | 43 min |
| Mar 3, 10:47 PM CST | Severe Thunderstorm Warning | EWX | Wilson | 58 min |
| Mar 4, 12:40 AM CST | Flash Flood Warning | EWX | Bandera, Comal, Kendall, Kerr | 6 hr |
| Mar 4, 12:40 AM CST | Flash Flood Warning | EWX | Real | 6 hr |
| Mar 4, 3:04 AM CST | Flash Flood Warning | EWX | Blanco, Hays | 3 hr |
| Mar 4, 3:55 AM CST | Severe Thunderstorm Warning | EWX | Comal | 50 min |
| Mar 4, 5:26 AM CST | Flash Flood Warning | EWX | Bastrop, Travis, Williamson | 4 hr |
| Mar 4, 5:26 AM CST | Flash Flood Warning | EWX | Blanco, Caldwell, Hays | 4 hr |
| Mar 4, 4:17 PM CST | Severe Thunderstorm Warning | EWX | Burnet | 58 min |
| Mar 4, 4:58 PM CST | Severe Thunderstorm Warning | EWX | Travis, Williamson | 62 min |
| Mar 4, 5:15 PM CST | Severe Thunderstorm Warning | EWX | Blanco, Hays | 60 min |
Nearby
Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992
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.