Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 107, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 7, 1997, 8:55 AM CDT for Caldwell County, Hays County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 7, 1997, 8:55 AM CDT (13:55 UTC)
- Expired
- Jun 7, 1997, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Caldwell County, TX, Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 33 km from the middle of the area, began a volume at 13:55 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
Corpus Christi, TX (KCRP), launched 12:00Z, 1.9 hours before the alert went out and 251 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
- 1148 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 32 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 071357 FFWSAT TXC055-209-071700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 855 AM CDT SAT JUN 7 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL NOON CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...CALDWELL COUNTY...HAYS COUNTY AT 850 AM NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF SHOWERS AND THUNDERSTORMS EXTENDING FROM SAN MARCOS TO LOCKHART TO HALLETTSVILLE. MOVEMENT WAS EAST AT 5 MPH. SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE FOR THE NEXT SEVERAL HOURS. RAINFALL RATES OF UP TO 1 INCH PER HOUR CAN BE EXPECTED IN THESE SHOWERS AND THUNDERSTORMS. RAINFALL TODAY WILL RUNOFF RAPIDLY DUE TO 2 TO 4 INCHES OF RAIN OVER HAYS AND CALDWELL COUNTIES YESTERDAY. 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. 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.
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, Jun 7, 5:57 AM CDT, 2 hours 58 minutes before
TXZ171>173-183>194-202>209-217>225-228-072300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 558 AM CDT SAT JUN 7 1997 SCATTERED SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY HEAVY RAIN ARE A THREAT ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY. A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR MUCH OF THE HILL COUNTRY AND PORTIONS OF SOUTH CENTRAL TEXAS INCLUDING KERRVILLE...SAN ANTONIO... AUSTIN...LA GRANGE AND HALLETTSVILLE. UPPER LEVEL DISTURBANCES WILL CONTINUE TO INTERACT WITH MOIST... UNSTABLE AIR WHICH BLANKETS THE REGION. A WEAK FRONTAL BOUNDARY WHICH PERSISTS ACROSS THE AREA COULD ACT AS FOCUS FOR THUNDERSTORM DEVELOPMENT TODAY AS IT DID ON FRIDAY. STEERING CURRENTS REMAIN WEAK...SO THUNDERSTORMS WILL BE SLOW-MOVING...ADDING TO THE POTENTIAL ADDDITIONAL FLASH FLOODING. RAINFALL AMOUNTS THROUGH SATURDAY WILL AVERAGE 1/4 TO 1/2 INCH IN THE IN THE WEST AND 1/2 TO 1 INCH IN THE EAST WITH LOCAL TOTALS OF 2 TO 4 INCHES POSSIBLE MAINLY IN THE EXTREME EAST. SHOWER ACTIVITY SHOULD DIMINISH SOMEWHAT TONIGHT BUT PICK UP A BIT AGAIN SUNDAY. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...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.
Special weather statement, Jun 7, 5:58 AM CDT, 2 hours 57 minutes before
TXZ171>173-183>194-202>209-217>225-228-072300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 558 AM CDT SAT JUN 7 1997 SCATTERED SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY HEAVY RAIN ARE A THREAT ACROSS SOUTH CENTRAL TEXAS AND THE HILL COUNTRY TODAY. A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR MUCH OF THE HILL COUNTRY AND PORTIONS OF SOUTH CENTRAL TEXAS INCLUDING KERRVILLE...SAN ANTONIO... AUSTIN...LA GRANGE AND HALLETTSVILLE. UPPER LEVEL DISTURBANCES WILL CONTINUE TO INTERACT WITH MOIST... UNSTABLE AIR WHICH BLANKETS THE REGION. A WEAK FRONTAL BOUNDARY WHICH PERSISTS ACROSS THE AREA COULD ACT AS FOCUS FOR THUNDERSTORM DEVELOPMENT TODAY AS IT DID ON FRIDAY. STEERING CURRENTS REMAIN WEAK...SO THUNDERSTORMS WILL BE SLOW-MOVING...ADDING TO THE POTENTIAL ADDDITIONAL FLASH FLOODING. RAINFALL AMOUNTS THROUGH SATURDAY WILL AVERAGE 1/4 TO 1/2 INCH IN THE IN THE WEST AND 1/2 TO 1 INCH IN THE EAST WITH LOCAL TOTALS OF 2 TO 4 INCHES POSSIBLE MAINLY IN THE EXTREME EAST. SHOWER ACTIVITY SHOULD DIMINISH SOMEWHAT TONIGHT BUT PICK UP A BIT AGAIN SUNDAY. THE HAZARDOUS WEATHER OUTLOOK NORMALLY WILL BE UPDATED BY MEANS OF THE ZONE FORECASTS...SHORT TERM FORECAST...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 |
|---|---|---|---|---|
| Jun 6, 7:03 PM CDT | Flash Flood Warning | EWX | Atascosa | 117 min |
| Jun 6, 8:29 PM CDT | Flash Flood Warning | EWX | DeWitt, Karnes | 2 hr |
| Jun 6, 8:29 PM CDT | Flash Flood Warning | EWX | Lavaca | 2 hr |
| Jun 6, 8:41 PM CDT | Flash Flood Warning | EWX | Fayette | 2 hr |
| Jun 7, 12:07 PM CDT | Flash Flood Warning | EWX | Caldwell, Hays | 2 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.