Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 15, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 2, 1997, 5:31 PM CST for Uvalde County, Texas. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 2, 1997, 5:31 PM CST (23:31 UTC)
- Expired
- Apr 2, 1997, 7:30 PM CST
- In force
- 119 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 51 km from the middle of the area, began a volume at 23:35 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 12:00Z, 11.5 hours before the alert went out and 104 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
- 158 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 527 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 022334 FFWSAT TXC463-030130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 531 PM CST WED APR 2 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 730 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...UVALDE COUNTY DOPPLER RADAR HAS INDICATED OVER 2.5 INCHES OF RAIN IN THE PAST THREE HOURS NEAR GARNER STATE PARK WITH SHOWERS AND THUNDERSTORMS CONTINUING OVER THAT AREA. AN OBSERVER AT CONCAN REPORTED 2 INCH OF RAIN FALLEN IN JUST OVER 2 HOURS...AND THE DRY FRIO RIVER WAS NEAR BANKFULL. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...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. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND IF YOU CAN DO SO SAFELY.
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, Apr 2, 3:30 PM CST, 2 hours 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
330 PM CST WED APR 02 1997
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM TX FLOODING
04/02/97 ATASCOSA SEVERAL FARM-TO-MARKET
ROADS UNDER WATER IN THE
WESTERN PART OF COUNTY
0200 PM TX FLOODING
04/02/97 KARNES 4 INCHES OF RAIN IN ONE
HOUR IN RUNGE. SOME ROADS
CLOSURES DUE TO FLOODING
0300 PM TX FLOODING
04/02/97 DEWITT CATHOLIC CHURCH ROAD NEAR
WESTHOFF CLOSEDSpecial weather statement, Apr 2, 5:30 PM CST, 1 minute before
TXZ171>173-183>194-202>209-217>225-228-031200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 530 PM CST WED APR 2 1997 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WATCH FOR SOUTH CENTRAL TEXAS AND THE TEXAS HILL COUNTRY. THE WATCH IS IN EFFECT FOR TONIGHT AND THURSDAY...AND INCLUDES THE METROPOLITAN AREAS OF AUSTIN...SAN ANTONIO...DEL RIO...AND KERRVILLE. A FLASH FLOOD WATCH MEANS WEATHER CONDITIONS ARE FAVORABLE FOR HEAVY RAIN...FLASH FLOODING...AND RIVER FLOODING IN OR NEAR THE WATCH AREA. A STRONG UPPER LEVEL STORM SYSTEM WAS CENTERED NEAR SAN DIEGO... CALIFORNIA. THE ATMOSPHERE OVER SOUTH CENTRAL TEXAS AND THE HILL COUNTRY REMAINS UNUSUALLY RICH IN MOISTURE FROM BOTH THE GULF OF MEXICO AND THE PACIFIC OCEAN. THE STORM SYSTEM WILL SEND A SERIES OF UPPER LEVEL DISTURBANCES EASTWARD TOWARD AND ACROSS TEXAS TONIGHT AND THURSDAY. THESE DISTURBANCES WILL INTERACT WITH THE MOIST AND UNSTABLE ATMOSPHERE TO PRODUCE NUMEROUS SHOWERS AND THUNDERSTORMS. HEAVY RAIN IS DEVELOPING AND WILL CONTINUE ACROSS THE AREA TONIGHT INTO THURSDAY PRODUCING AVERAGE RAINFALL AMOUNTS OF 1 TO 3 INCHES WITH ISOLATED TOTALS OVER 5 INCHES. AREAS WET FROM RECENT HEAVY RAINS ARE AT PRIME RISK OF FLOODING AS HEAVY RAIN DEVELOPS. MOTORISTS ARE STRONGLY ADVISED TO DRIVE CAREFULLY IF THUNDERSTORMS AND VERY HEAVY RAIN DEVELOP. FLOODING IS LIKELY LATE THIS AFTERNOON AND TONIGHT. RAPID RISES AND FLOODING ARE POSSIBLE NEAR LOW WATER CROSSINGS. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECASTS...WATCHES...WARNINGS AND ADVISORIES. THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST HAZARDOUS WEATHER NO LONGER IS EXPECTED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 11:42 AM CST | Flash Flood Warning | EWX | Karnes | 2 hr |
| Apr 2, 12:40 PM CST | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Apr 2, 1:59 PM CST | Flash Flood Warning | EWX | Atascosa, Karnes | 3 hr |
| Apr 2, 1:59 PM CST | Flash Flood Warning | EWX | Medina | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1997Every flash flood warning in 1997
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.