Alert archive / Texas / Flash Flood Warnings in 2000
Flash Flood Warning 90, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 23, 2000, 10:31 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 counties it named.
The facts
- Issued
- Nov 23, 2000, 10:31 PM CST (04:31 UTC)
- Expired
- Nov 24, 2000, 1:30 AM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties DeWitt County, TX, Fayette County, TX, Karnes County, TX, Lavaca County, TX, Lee County, TX
The radar
The Austin/San Antonio radar (KEWX), 82 km from the middle of the area, began a volume at 04:31 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, 4.5 hours before the alert went out and 199 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 240437
FFWEWX
TXC123-149-255-285-287-240730-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1031 PM CST THU NOV 23 2000
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LAVACA COUNTY
DEWITT COUNTY
LEE COUNTY
FAYETTE COUNTY
KARNES COUNTY
* UNTIL 130 AM CST
* AT 1035 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS FROM DEWEES TO GONZALES TO CISTERN TO LINCOLN MOVING
EAST AT 20 MPH.
SOME OF THE THUNDERSTORMS WERE PRODUCING HOURLY RAINFALL RATES OF 1
TO 1.5 INCHES PER HOUR. LOW WATER CROSSINGS AND SMALL STREAMS WILL
LIKELY FLOOD.
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 2891 9810 2877 9792 2901 9730 2943 9696
3003 9675 3052 9696 3046 9706 2996 9704
2943 9716 2916 9747The 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, 9:25 PM CST | Flash Flood Warning | EWX | Bastrop, Caldwell, Guadalupe, Travis, Williamson | 3 hr |
| Nov 23, 10:00 PM CST | Flash Flood Warning | EWX | Atascosa, Gonzales, Wilson | 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.