Alert archive / Texas / Flash Flood Warnings in 1992
Flash Flood Warning 29, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Mar 4, 1992, 12:40 AM CST for Real County, Texas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 4, 1992, 12:40 AM CST (06:40 UTC)
- Expired
- Mar 4, 1992, 6:45 AM CST
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.7 hours before the alert went out and 111 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 040644 FFWSAT TXC019-091-259-265-385-041245- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1240 AM CST WED MAR 4 1992 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...BANDERA COUNTY...COMAL COUNTY...KENDALL COUNTY...KERR COUNTY ...REAL COUNTY...INCLUDING THE GUADALUPE AND MEDINA RIVERS... AT 1240 AM CST...ANOTHER AREA OF THUNDERSTORMS...SOME WITH LOCALLY HEAVY RAIN...IS MOVING THROUGH THE AFFECTED COUNTIES. SINCE THE GROUND IS ALREADY SUPER-SATURATED FROM EARLIER RAINS TOTALING NEARLY TWO INCHES...THIS ADDITIONAL RAIN WILL NOT SOAK IN BUT RUN OFF INTO ALREADY SWOLLEN CREEKS AND RIVERS. THE GUADALUPE AND MEDINA RIVERS WILL BE MOST AFFECTED THIS MORNING...AS WELL AS THE FRIO RIVER. EVEN AFTER THE RAIN STOPS...RUNOFF WILL CONTINUE THE THREAT FOR FLASH FLOODING UNTIL AROUND DAYBREAK OR THEREAFTER. 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, 52 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, 2:17 AM CST | Flash Flood Warning | EWX | Medina, Uvalde | 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.