Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 81, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 1997, 8:58 PM CDT for Frio County, Texas. It was in force for 2 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
- May 27, 1997, 8:58 PM CDT (01:58 UTC)
- Expired
- May 27, 1997, 11:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Frio County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.0 hours before the alert went out and 177 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
- 5979 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 6.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 280157 FFWSAT TXC163-280400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 858 PM CDT TUE MAY 27 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...FRIO COUNTY AT 855 PM...RADAR INDICATED RAINFALL OF NEAR 2 INCHES PER HOUR ACROSS FRIO COUNTY ALONG AND NEAR INTERSTATE 35. ADDITIONAL 1 TO 2 INCHES OF RAINFALL IS EXPECTED AND WILL PRODUCE FLOODING. THE CLUSTER OF THUNDERSTORMS WERE LOCATED FROM MOORE TO PEARSALL TO DIVOT AND SOUTHWEST THROUGH THE COUNTY. MOVEMENT WAS SOUTHEAST AT 10 TO 15 MPH. 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 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 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 THREATE|NING RAINS. 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, May 27, 4:45 PM CDT, 4 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
445 PM CDT TUE MAY 27 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM JARRELL TX TORNADO
05/27/97 WILLIAMSON REPORTS OF FATALITIES AND
MULTIPLE INJURIES
0415 PM CEDAR PARK TX TORNADO
05/27/97 WILLIAMSON REPORT OF GROCERY STORE
COLLAPSE IN CEDAR PARK.
REPORTS OF FATALITIES AND
MULTIPLE INJURIESSpecial weather statement, May 27, 5:05 PM CDT, 3 hours 53 minutes before
TXZ171>173-183>194-202>209-217>225-228-281000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 506 PM CDT TUE MAY 27 1997 ...TORNADO WATCH IN EFFECT UNTIL 10 PM CDT FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... A WEAK COLD FRONT WILL BECOME STATIONARY ACROSS SOUTH CENTRAL TEXAS TONIGHT AND PROVIDE THE FOCUS FOR SEVERE WEATHER THROUGH WEDNESDAY. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS THE REGION THIS EVENING AND CONDITIONS ARE FAVORABLE FOR ADDITIONAL DEVELOPMENT OF SCATTERED SEVERE THUNDERSTORMS WITH LARGE HAIL... DAMAGING WINDS... ISOLATED TORNADOES AND VERY HEAVY RAINFALL. THIS ACTIVITY WILL PERSIST THROUGH THE EVENING HOURS AND DECREASE IN SEVERITY LATER TONIGHT. THIS SYSTEM WILL EVOLVE INTO A HEAVY RAIN EVENT OVER PORTIONS OF SOUTH CENTRAL TEXAS... THE HILL COUNTRY AND SOUTHEAST TEXAS LATE TONIGHT INTO WEDNESDAY WITH ISOLATED SEVERE THUNDERSTORMS. RAINFALL AMOUNTS WILL AVERAGE FROM 1/2 TO 1 INCH WITH ISOLATED TOTALS NEAR 3 INCHES POSSIBLE WHERE THUNDERSTORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. A FLASH FLOOD WATCH MAY BE REQUIRED LATER TONIGHT ACROSS PORTIONS OF SOUTH TEXAS. THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF THE ZONE FORECAST...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 IS NO LONGER EXPECTED.
Special weather statement, May 27, 5:06 PM CDT, 3 hours 52 minutes before
TXZ171>173-183>194-202>209-217>225-228-281000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 506 PM CDT TUE MAY 27 1997 ...TORNADO WATCH IN EFFECT UNTIL 10 PM CDT FOR SOUTH CENTRAL TEXAS AND THE HILL COUNTRY... A WEAK COLD FRONT WILL BECOME STATIONARY ACROSS SOUTH CENTRAL TEXAS TONIGHT AND PROVIDE THE FOCUS FOR SEVERE WEATHER THROUGH WEDNESDAY. THE ATMOSPHERE IS VERY MOIST AND UNSTABLE ACROSS THE REGION THIS EVENING AND CONDITIONS ARE FAVORABLE FOR ADDITIONAL DEVELOPMENT OF SCATTERED SEVERE THUNDERSTORMS WITH LARGE HAIL... DAMAGING WINDS... ISOLATED TORNADOES AND VERY HEAVY RAINFALL. THIS ACTIVITY WILL PERSIST THROUGH THE EVENING HOURS AND DECREASE IN SEVERITY LATER TONIGHT. THIS SYSTEM WILL EVOLVE INTO A HEAVY RAIN EVENT OVER PORTIONS OF SOUTH CENTRAL TEXAS... THE HILL COUNTRY AND SOUTHEAST TEXAS LATE TONIGHT INTO WEDNESDAY WITH ISOLATED SEVERE THUNDERSTORMS. RAINFALL AMOUNTS WILL AVERAGE FROM 1/2 TO 1 INCH WITH ISOLATED TOTALS NEAR 3 INCHES POSSIBLE WHERE THUNDERSTORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. A FLASH FLOOD WATCH MAY BE REQUIRED LATER TONIGHT ACROSS PORTIONS OF SOUTH TEXAS. THE HAZARDOUS WEATHER OUTLOOK WILL NORMALLY BE UPDATED BY MEANS OF THE ZONE FORECAST...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 IS NO LONGER EXPECTED.
Special weather statement, May 27, 8:07 PM CDT, 51 minutes before
TXZ169>173-280415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 809 PM CDT TUE MAY 27 1997 THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM THE TORNADO WATCH... KIMBLE...MASON...LLANO...BURNET AND WILLIAMSON. SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE THROUGH TONIGHT WITH LOCALLY HEAVY RAINFALL POSSIBLE.
Special weather statement, May 27, 8:09 PM CDT, 49 minutes before
TXZ169>173-280415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 809 PM CDT TUE MAY 27 1997 THE FOLLOWING COUNTIES HAVE BEEN CLEARED FROM THE TORNADO WATCH... KIMBLE...MASON...LLANO...BURNET AND WILLIAMSON. SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE THROUGH TONIGHT WITH LOCALLY HEAVY RAINFALL POSSIBLE.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:22 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Val Verde | 98 min |
| May 27, 7:27 PM CDT | Flash Flood Warning | EWX | Blanco, Kendall | 3 hr |
| May 27, 7:34 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales | 56 min |
| May 27, 7:38 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 97 min |
| May 27, 7:52 PM CDT | Severe Thunderstorm Warning | EWX | Medina | 68 min |
| May 27, 8:00 PM CDT | Flash Flood Warning | EWX | Bexar | 60 min |
| May 27, 8:00 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 60 min |
| May 27, 8:01 PM CDT | Tornado Warning | EWX | Gonzales | 59 min |
| May 27, 8:13 PM CDT | Flash Flood Warning | EWX | Val Verde | 2 hr |
| May 27, 8:13 PM CDT | Flash Flood Warning | EWX | Bandera | 2 hr |
| May 27, 8:18 PM CDT | Tornado Warning | EWX | Frio | 57 min |
| May 27, 8:19 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa | 56 min |
| May 27, 8:29 PM CDT | Flash Flood Warning | EWX | Gonzales | 3 hr |
| May 27, 8:40 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt, Lavaca | 65 min |
| May 27, 8:40 PM CDT | Severe Thunderstorm Warning | EWX | Karnes, Wilson | 65 min |
| May 27, 8:51 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 69 min |
| May 27, 9:05 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 85 min |
| May 27, 9:39 PM CDT | Flash Flood Warning | EWX | Karnes | 3 hr |
| May 27, 9:56 PM CDT | Flash Flood Warning | EWX | Fayette | 3 hr |
| May 27, 10:03 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 102 min |
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.