Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 166, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 21, 1997, 4:39 PM CDT for Bandera County, Texas. It was in force for 6 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 21, 1997, 4:39 PM CDT (21:39 UTC)
- Expired
- Jun 21, 1997, 10:45 PM CDT
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bandera County, TX
The radar
The Laughlin AFB radar (KDFX), 113 km from the middle of the area, began a volume at 21:42 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, 9.7 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
- 105 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 1318 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 426 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 212139 FFWSAT TXC019-123-187-220345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 439 PM CDT SAT JUN 21 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL TEXAS ...BANDERA COUNTY...DE WITT COUNTY...GUADALUPE COUNTY AT 430 PM...NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN CONTINUING ACROSS DEWITT COUNTY. POLICE REPORT NUMEROUS ROADS ARE CLOSED OR FLOODED AND ATLEAST ONE HOME IS FLOODED WITH RESCUE IN PROGRESS. MORE HEAVY RAIN CONTINUES TO REDEVELOP ACROSS THE AREA WITH HOURLY RAINFALL RATES OF 1 TO 3 INCHES. RADAR ESTIMATED STORM TOTAL RAINFALL OF 6 TO 10 INCHES. MOVEMENT WAS NORTHEAST AT 15 MPH. IN GUADALUPE COUNTY...2 TO 3 INCHES HAS FALLEN WITH VERY HEAVY RAIN LOCATED FROM ZORN TO NEW BRAUNFELS TO SEGUIN AND SOUTH ALONG AND NEAR 123. RADAR INDICATED RAINFALL NEAR 1 INCH PER HOUR. ADDITIONAL HEAVY RAIN MAY MOVE OUT THE HILL COUNTRY LATER THIS EVENING. MOVEMENT WAS EAST AT 15 MPH. IN BANDERA COUNTY...HEAVY RAIN HAS DEVELOPED ONCE AGAIN FROM THE NORTH OUT OF KERR COUNTY. 6 INCHES OF RAIN HAS FALLEN NEAR BANDERA WITH RIVER FLOODING ONGOING. AN ADDITIONAL 1 TO 2 INCHES IS EXPECTED AND WILL PRODUCE ADDITIONAL FLOODING THIS EVENING. MOVEMENT WAS SOUTHEAST AT 15 MPH. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND OTHER PEOPLE IN RECREATION AREAS ALONG CREEKS...STREAMS...AND RIVERS IN THE WARNING AREA SHOULD MOVE TO HIGH GROUND IMMEDIATELY. 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. 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.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:51 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 69 min |
| Jun 20, 8:57 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 63 min |
| Jun 21, 1:51 AM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Jun 21, 6:01 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Jun 21, 7:30 AM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| Jun 21, 7:45 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jun 21, 9:01 AM CDT | Flash Flood Warning | EWX | Frio | 119 min |
| Jun 21, 9:33 AM CDT | Flash Flood Warning | EWX | Gonzales, Guadalupe, Wilson | 3 hr |
| Jun 21, 10:25 AM CDT | Flash Flood Warning | EWX | DeWitt, Karnes | 3 hr |
| Jun 21, 10:39 AM CDT | Flash Flood Warning | EWX | Bandera, Medina | 3 hr |
| Jun 21, 10:59 AM CDT | Flash Flood Warning | EWX | Caldwell | 3 hr |
| Jun 21, 11:16 AM CDT | Flash Flood Warning | EWX | Bastrop, Fayette, Lavaca | 3 hr |
| Jun 21, 11:16 AM CDT | Flash Flood Warning | EWX | Blanco, Comal, Hays, Travis | 3 hr |
| Jun 21, 11:16 AM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Jun 21, 11:38 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar | 3 hr |
| Jun 21, 12:08 PM CDT | Flash Flood Warning | EWX | Lee, Williamson | 3 hr |
| Jun 21, 1:25 PM CDT | Flash Flood Warning | EWX | Guadalupe | 3 hr |
| Jun 21, 1:25 PM CDT | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Jun 21, 1:25 PM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Jun 21, 1:25 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jun 21, 2:07 PM CDT | Flash Flood Warning | EWX | Kendall, Kerr | 3 hr |
| Jun 21, 2:07 PM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
| Jun 21, 3:20 PM CDT | Flash Flood Warning | EWX | Bexar, Medina | 3 hr |
| Jun 21, 3:20 PM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 21, 3:36 PM CDT | Flash Flood Warning | EWX | Karnes | 3 hr |
| Jun 21, 4:39 PM CDT | Flash Flood Warning | EWX | Guadalupe | 6 hr |
| Jun 21, 4:39 PM CDT | Flash Flood Warning | EWX | DeWitt | 6 hr |
| Jun 21, 5:09 PM CDT | Flash Flood Warning | EWX | Caldwell, Travis | 6 hr |
| Jun 21, 5:17 PM CDT | Flash Flood Warning | EWX | Bandera | 6 hr |
| Jun 21, 5:17 PM CDT | Flash Flood Warning | EWX | Lavaca | 6 hr |
| Jun 21, 5:42 PM CDT | Flash Flood Warning | EWX | Hays | 6 hr |
| Jun 21, 6:16 PM CDT | Flash Flood Warning | EWX | Bexar, Comal | 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.