Alert archive / Texas / Flash Flood Warnings in 1997
Flash Flood Warning 109, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 8, 1997, 11:09 PM CDT for Blanco 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 8, 1997, 11:09 PM CDT (04:09 UTC)
- Expired
- Jun 9, 1997, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Blanco County, TX
The radar
The Austin/San Antonio radar (KEWX), 72 km from the middle of the area, began a volume at 04:13 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 00:00Z, 4.2 hours before the alert went out and 256 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
- 2203 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1290 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 090411 FFWSAT TXC031-090700- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1109 PM CDT SUN JUN 8 1997 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL TEXAS ...SOUTHERN BLANCO COUNTY AT 1105 PM CDT RADAR ESTIMATED RAINFALL AMOUNTS OVER SOUTHERN BLANCO COUNTY GENERALLY ALONG AND SOUTH OF THE BLANCO RIVER HAVE AMOUNTED TO UP TO 2 1/2 INCHES. LOW WATER CROSSINGS HAVE LIKELY ALREADY FLOODED. MOTORISTS ARE URGED TO USE EXTREME CAUTION. 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.
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 8, 5:45 PM CDT, 5 hours 24 minutes before
TXZ171>173-183>194-202>209-217>225-228-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SUN JUN 8 1997 STRONG THUNDERSTORMS FROM THE BIG BEND AREA NORTHEASTWARD INTO WEST CENTRAL TEXAS WILL MOVE INTO THE WESTERN PORTIONS OF THE TEXAS HILL COUNTRY THIS EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. RAINFALL SHOULD AVERAGE AROUND ONE HALF INCH WITH AMOUNTS OF AN INCH AND A HALF POSSIBLE IN SOME OF THE HEAVIER THUNDERSTORMS. ACTIVITY SHOULD BE DIMINISHING AFTER SUNSET AS DAYTIME HEATING ENDS. HAZARDOUS WEATHER IS NOT EXPECTED IN THE SOUTH CENTRAL TEXAS AREA ON MONDAY. 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 8, 6:00 PM CDT, 5 hours 9 minutes before
TXZ171>173-183>194-202>209-217>225-228-091100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 600 PM CDT SUN JUN 8 1997 STRONG THUNDERSTORMS FROM THE BIG BEND AREA NORTHEASTWARD INTO WEST CENTRAL TEXAS WILL MOVE INTO THE WESTERN PORTIONS OF THE TEXAS HILL COUNTRY THIS EVENING. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. RAINFALL SHOULD AVERAGE AROUND ONE HALF INCH WITH AMOUNTS OF AN INCH AND A HALF POSSIBLE IN SOME OF THE HEAVIER THUNDERSTORMS. ACTIVITY SHOULD BE DIMINISHING AFTER SUNSET AS DAYTIME HEATING ENDS. HAZARDOUS WEATHER IS NOT EXPECTED IN THE SOUTH CENTRAL TEXAS AREA ON MONDAY. 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 8, 7:34 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 116 min |
| Jun 8, 8:49 PM CDT | Tornado Warning | EWX | Val Verde | 56 min |
| Jun 8, 9:10 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 35 min |
| Jun 8, 9:26 PM CDT | Tornado Warning | EWX | Val Verde | 64 min |
| Jun 8, 10:06 PM CDT | Tornado Warning | EWX | Edwards | 69 min |
| Jun 8, 11:33 PM CDT | Flash Flood Warning | EWX | Hays | 3 hr |
| Jun 8, 11:45 PM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 8, 11:45 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 9, 12:26 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jun 9, 12:38 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Jun 9, 12:45 AM CDT | Flash Flood Warning | EWX | Burnet | 4 hr |
| Jun 9, 2:23 AM CDT | Flash Flood Warning | EWX | Hays | 3 hr |
| Jun 9, 2:39 AM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Jun 9, 2:39 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jun 9, 5:08 AM CDT | Flash Flood Warning | EWX | Hays, Travis, Williamson | 4 hr |
| Jun 9, 5:08 AM CDT | Flash Flood Warning | EWX | Comal | 4 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.