Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 97, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 23, 1998, 5:06 AM CDT for Bandera County, Medina 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
- Aug 23, 1998, 5:06 AM CDT (10:06 UTC)
- Expired
- Aug 23, 1998, 8:05 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Medina County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 10.1 hours before the alert went out and 162 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
- 854 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 27 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 231007 FFWSAT TXC019-325-231305- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 506 AM CDT SUN AUG 23 1998 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... BANDERA COUNTY IN SOUTH CENTRAL TEXAS MEDINA COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 805 AM CDT * AT 505 AM CDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN ONCE AGAIN MOVING ACROSS MEDINA AND BANDERA COUNTIES FROM DEVINE TO VANDERPOOL. RAINFALL RATES WERE ESTIMATED AT 1 TO 1.5 INCHES AN HOUR. MOVEMENT WAS NORTHWEST AT 15 TO 20 MPH. * IF YOU ARE IN THESE AREAS... MOVE TO HIGHER GROUND. DO NOT DRIVE THROUGH WATER COVERING THE ROAD. 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 ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH.
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, Aug 23, 3:01 AM CDT, 2 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 PM TX FLOODING
08/22/98 WILSON SD REPORTS PORTIONS OF
FARM ROAD 1107 AND 775
COVERED WITH WATER.
0230 PM TX FLOODING
08/22/98 ATASCOSA SHERRIFFS DEPARTMENT
REPORTS MANY LOW LYING
AREAS FLOODED. TEXAS ROAD
97 BETWEEN CHARLOTTE AND
BLUNZER WASHED OUT.
0430 PM TX FLOODING
08/22/98 LAVACA FLOODING IN HALLETSVILLE.
MANY SECONDARY ROADS, LOW
LYING AREAS, AND LOW WATER
CROSSINGS UNDER WATER IN
LAVACA COUNTY.
1045 PM TX FLOODING
08/22/98 BANDERA ALL 10 LOW WATER CROSSINGS
FLOODED.Local storm report, Aug 23, 3:01 AM CDT, 2 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TEXAS
301 AM CDT SUN AUG 23 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1245 PM TX FLOODING
08/22/98 WILSON SD REPORTS PORTIONS OF
FARM ROAD 1107 AND 775
COVERED WITH WATER.
0230 PM TX FLOODING
08/22/98 ATASCOSA SHERRIFFS DEPARTMENT
REPORTS MANY LOW LYING
AREAS FLOODED. TEXAS ROAD
97 BETWEEN CHARLOTTE AND
BLUNZER WASHED OUT.
0430 PM TX FLOODING
08/22/98 LAVACA FLOODING IN HALLETSVILLE.
MANY SECONDARY ROADS, LOW
LYING AREAS, AND LOW WATER
CROSSINGS UNDER WATER IN
LAVACA COUNTY.
1045 PM TX FLOODING
08/22/98 BANDERA ALL 10 LOW WATER CROSSINGS
FLOODED.The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:30 PM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Aug 22, 7:55 PM CDT | Flash Flood Warning | EWX | Bandera, Uvalde | 3 hr |
| Aug 22, 7:55 PM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Aug 22, 9:15 PM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Aug 22, 9:50 PM CDT | Flash Flood Warning | EWX | Uvalde, Zavala | 4 hr |
| Aug 22, 10:51 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Aug 23, 12:00 AM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Bandera, Real, Uvalde | 107 min |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Medina, Zavala | 107 min |
| Aug 23, 1:43 AM CDT | Flash Flood Warning | EWX | Kinney | 107 min |
| Aug 23, 2:06 AM CDT | Flash Flood Warning | EWX | DeWitt, Lavaca | 4 hr |
| Aug 23, 3:56 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Uvalde | 3 hr |
| Aug 23, 3:56 AM CDT | Flash Flood Warning | EWX | Real | 3 hr |
| Aug 23, 6:27 AM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales | 3 hr |
| Aug 23, 6:52 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Kinney, Real, Uvalde | 4 hr |
| Aug 23, 7:46 AM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Guadalupe, Hays | 3 hr |
| Aug 23, 9:10 AM CDT | Flash Flood Warning | EWX | Val Verde | 6 hr |
| Aug 23, 9:32 AM CDT | Flash Flood Warning | EWX | Blanco | 6 hr |
| Aug 23, 10:13 AM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales, Lavaca | 6 hr |
| Aug 23, 10:46 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Uvalde | 4 hr |
| Aug 23, 10:46 AM CDT | Flash Flood Warning | EWX | Kerr, Real | 4 hr |
| Aug 23, 11:07 AM CDT | Flash Flood Warning | EWX | Caldwell, Guadalupe, Hays | 4 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Bandera, Edwards, Kerr, Real | 5 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Kinney, Uvalde | 5 hr |
| Aug 23, 2:39 PM CDT | Flash Flood Warning | EWX | Val Verde | 5 hr |
| Aug 23, 5:36 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Wilson | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998
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.