Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 88, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 23, 2000, 9:25 PM CST for 5 counties in 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Nov 23, 2000, 9:25 PM CST (03:25 UTC)
- Expired
- Nov 24, 2000, 12:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Bastrop County, TX, Caldwell County, TX, Guadalupe County, TX, Travis County, TX, Williamson County, TX
The radar
The Austin/San Antonio radar (KEWX), 48 km from the middle of the area, began a volume at 03:26 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
Corpus Christi, TX (KCRP), launched 00:00Z, 3.4 hours before the alert went out and 266 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
- 327 J/kg
- Mixed-layer CIN
- -143 J/kg
- Mixed-layer LCL
- 889 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 179 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 240328
FFWEWX
TXC021-055-187-453-491-240600-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
925 PM CST THU NOV 23 2000
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BASTROP COUNTY
TRAVIS COUNTY
WILLIAMSON COUNTY
GUADALUPE COUNTY
CALDWELL COUNTY
* UNTIL 1200 AM CST
* AT 925 PM CST...WEATHER SERVICE DOPPLER RADAR INDICTED BANDS OF
STRONG THUNDERSTORMS FROM LAGO VISTA TO GEORGETOWN AND FROM SEGUIN
TO NEAR BASTROP MOVING EAST AT 25 MPH. SOME THUNDERSTORMS WERE
PRODUCING HOURLY RAINFALL RATES OF 1 TO 2 INCHES PER HOUR. THESE
RAINS WILL PRODUCE FLOODING OF URBAN AREAS...LOW WATER CROSSINGS AND
SMALL STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 2962 9814 2957 9783 3008 9730 3067 9744
3083 9785 3033 9798 2998 9768The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 7:48 PM CST | Severe Thunderstorm Warning | EWX | Gillespie | 57 min |
| Nov 23, 8:31 PM CST | Flash Flood Warning | EWX | Bexar, Medina | 3 hr |
| Nov 23, 8:35 PM CST | Flash Flood Warning | EWX | Comal, Hays | 3 hr |
| Nov 23, 8:55 PM CST | Tornado Warning | EWX | Dimmit, Zavala | 35 min |
| Nov 23, 9:03 PM CST | Severe Thunderstorm Warning | EWX | Frio | 57 min |
| Nov 23, 10:00 PM CST | Flash Flood Warning | EWX | Atascosa, Gonzales, Wilson | 3 hr |
| Nov 23, 10:31 PM CST | Flash Flood Warning | EWX | DeWitt, Fayette, Karnes, Lavaca, Lee | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2000Every flash flood warning in 2000
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.