Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 58, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 19, 1997, 9:38 PM CDT for Bandera 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 19, 1997, 9:38 PM CDT (02:38 UTC)
- Expired
- May 19, 1997, 11:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bandera County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.6 hours before the alert went out and 160 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
- 3137 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1330 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 200238 FFWSAT TXC019-200445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 938 PM CDT MON MAY 19 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...BANDERA COUNTY AT 935 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS PRODUCING RAINFALL RATES OF UP TO 2 INCHES AN HOUR MOVING ACROSS BANDERA COUNTY. THE LEADING EDGE OF THIS LINE EXTENDED FROM BLANCO SOUTHWESTWARD TO BANDERA AND UVALDE. MOVEMENT WAS SOUTHEAST AT 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.
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, May 19, 5:48 PM CDT, 3 hours 50 minutes before
TXZ171>173-183>194-202>209-217>225-228-201100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT MON MAY 19 1997 ...FLOOD AND FLASH FLOOD WATCH IN EFFECT FOR TONIGHT ACROSS THE HILL COUNTRY AND ADJACENT PORTIONS OF SOUTH CENTRAL TEXAS... THE FLOOD AND FLASH FLOOD WATCH IS GENERALLY ALONG AND NORTH OF A LINE FROM DEL RIO TO HONDO TO FLORESVILLE TO GIDDINGS. THE WATCH INCLUDES THE METROPOLITAN AREAS OF AUSTIN...DEL RIO AND SAN ANTONIO. CONDITIONS ARE BECOMING HIGHLY FAVORABLE FOR HEAVY RAINFALL AND SEVERE THUNDERSTORMS. A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. MEANWHILE...A STRONG COLD FRONT AND UPPER LEVEL DISTURBANCE ARE APPROACHING THE AREA. AT 5 PM...THE FRONT WAS LOCATED FROM JUST NORTH OF THE DALLAS/FORT WORTH METROPLEX TO NEAR THE BIG BEND AREA WHILE THE DISTURBANCE WAS OVER WEST TEXAS. THE FRONT AND DISTURBANCE WILL MOVE THROUGH MUCH OF THE AREA TONIGHT AND COMBINE TO GENERATE NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS. ALREADY...AN AREA OF SHOWERS AND THUNDERSTORMS IS ENTERING THE EDWARDS PLATEAU AND FAR NORTHERN HILL COUNTRY. THE SHOWERS AND THUNDERSTORMS WILL CONTINUE MOVING SOUTHEAST ACROSS THE HILL COUNTRY THIS EVENING AND INTO SOUTH CENTRAL TEXAS BY MIDNIGHT. IT IS EXPECTED THAT THE FRONT WILL SLOW DOWN AS IT MOVES THROUGH PORTIONS OF SOUTH CENTRAL TEXAS AND COULD EVEN STALL LATE TONIGHT INTO TUESDAY MORNING. THE STORMS WILL BE SLOW MOVING AND WILL AT TIMES MOVE OVER THE SAME AREAS PRODUCING HEAVY RAINFALL. CONDITIONS WILL BE MOST FAVORABLE FOR SEVERE THUNDERSTORMS TONIGHT ACROSS THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU. SOME STORMS MAY CONTAIN LARGE HAIL AND/OR DAMAGING WINDS. AVERAGE RAINFALL AMOUNTS IN THE 1 TO 2 INCH RANGE CAN BE EXPECTED WITH ISOLATED AMOUNTS OF 2 TO 4 INCHES OR MORE ARE POSSIBLE WHERE STORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. 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 HAZARDOU,S WEATHER IS NO LONGER EXPECTED.
Special weather statement, May 19, 6:00 PM CDT, 3 hours 38 minutes before
TXZ171>173-183>194-202>209-217>225-228-201100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT MON MAY 19 1997 ...FLOOD AND FLASH FLOOD WATCH IN EFFECT FOR TONIGHT ACROSS THE HILL COUNTRY AND ADJACENT PORTIONS OF SOUTH CENTRAL TEXAS... THE FLOOD AND FLASH FLOOD WATCH IS GENERALLY ALONG AND NORTH OF A LINE FROM DEL RIO TO HONDO TO FLORESVILLE TO GIDDINGS. THE WATCH INCLUDES THE METROPOLITAN AREAS OF AUSTIN...DEL RIO AND SAN ANTONIO. CONDITIONS ARE BECOMING HIGHLY FAVORABLE FOR HEAVY RAINFALL AND SEVERE THUNDERSTORMS. A MOIST AND UNSTABLE AIRMASS IS IN PLACE OVER THE HILL COUNTRY AND SOUTH CENTRAL TEXAS. MEANWHILE...A STRONG COLD FRONT AND UPPER LEVEL DISTURBANCE ARE APPROACHING THE AREA. AT 5 PM...THE FRONT WAS LOCATED FROM JUST NORTH OF THE DALLAS/FORT WORTH METROPLEX TO NEAR THE BIG BEND AREA WHILE THE DISTURBANCE WAS OVER WEST TEXAS. THE FRONT AND DISTURBANCE WILL MOVE THROUGH MUCH OF THE AREA TONIGHT AND COMBINE TO GENERATE NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS. ALREADY...AN AREA OF SHOWERS AND THUNDERSTORMS IS ENTERING THE EDWARDS PLATEAU AND FAR NORTHERN HILL COUNTRY. THE SHOWERS AND THUNDERSTORMS WILL CONTINUE MOVING SOUTHEAST ACROSS THE HILL COUNTRY THIS EVENING AND INTO SOUTH CENTRAL TEXAS BY MIDNIGHT. IT IS EXPECTED THAT THE FRONT WILL SLOW DOWN AS IT MOVES THROUGH PORTIONS OF SOUTH CENTRAL TEXAS AND COULD EVEN STALL LATE TONIGHT INTO TUESDAY MORNING. THE STORMS WILL BE SLOW MOVING AND WILL AT TIMES MOVE OVER THE SAME AREAS PRODUCING HEAVY RAINFALL. CONDITIONS WILL BE MOST FAVORABLE FOR SEVERE THUNDERSTORMS TONIGHT ACROSS THE HILL COUNTRY AND SOUTHERN EDWARDS PLATEAU. SOME STORMS MAY CONTAIN LARGE HAIL AND/OR DAMAGING WINDS. AVERAGE RAINFALL AMOUNTS IN THE 1 TO 2 INCH RANGE CAN BE EXPECTED WITH ISOLATED AMOUNTS OF 2 TO 4 INCHES OR MORE ARE POSSIBLE WHERE STORMS MERGE OR REDEVELOP ACROSS A PARTICULAR LOCATION. 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.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:43 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 62 min |
| May 19, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 45 min |
| May 19, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Zavala | 55 min |
| May 19, 8:31 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 59 min |
| May 19, 8:33 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 57 min |
| May 19, 8:57 PM CDT | Flash Flood Warning | EWX | Maverick | 2 hr |
| May 19, 9:11 PM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 3 hr |
| May 19, 10:04 PM CDT | Flash Flood Warning | EWX | Blanco, Kendall | 116 min |
| May 19, 10:33 PM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 3 hr |
| May 19, 11:05 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 55 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.