Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 67, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 5, 2001, 1:34 PM CDT for Karnes 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Sep 5, 2001, 1:34 PM CDT (18:34 UTC)
- Expired
- Sep 5, 2001, 4:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Karnes County, TX
The radar
The Austin/San Antonio radar (KEWX), 86 km from the middle of the area, began a volume at 18:35 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 12:00Z, 6.6 hours before the alert went out and 144 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
- 2453 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 051838
FFWSAT
TXC255-052130-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
134 PM CDT WED SEP 5 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES IN TEXAS...
KARNES
* UNTIL 430 PM CDT
* AT 134 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A BAND OF VERY
HEAVY RAIN FROM KENEDY TO GILLETT...MOVING NORTH AT 20 MPH.
ADDITIONAL HEAVY RAINS WILL LIKELY MOVE KARNES COUNTY DURING THE
NEXT HOUR OR TWO.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
LAT...LON 2889 9816 2868 9780 2882 9764 2901 9780
2911 9767 2920 9774The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 9:33 AM CDT | Flash Flood Warning | EWX | Lavaca | 4 hr |
| Sep 5, 12:23 PM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales | 3 hr |
| Sep 5, 12:41 PM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Guadalupe, Hays, Travis, Williamson | 3 hr |
| Sep 5, 12:59 PM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
| Sep 5, 1:51 PM CDT | Flash Flood Warning | EWX | Real | 3 hr |
| Sep 5, 2:44 PM CDT | Flash Flood Warning | EWX | Bastrop, Fayette, Lee | 3 hr |
| Sep 5, 2:50 PM CDT | Flash Flood Warning | EWX | Wilson | 115 min |
| Sep 5, 3:01 PM CDT | Flash Flood Warning | EWX | Bandera, Kerr | 3 hr |
| Sep 5, 3:21 PM CDT | Flash Flood Warning | EWX | Comal, Gonzales, Guadalupe | 3 hr |
| Sep 5, 4:39 PM CDT | Flash Flood Warning | EWX | Karnes, Wilson | 4 hr |
| Sep 5, 5:29 PM CDT | Flash Flood Warning | EWX | Blanco, Kendall | 3 hr |
| Sep 5, 5:57 PM CDT | Flash Flood Warning | EWX | Bandera | 2 hr |
| Sep 5, 6:03 PM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
| Sep 5, 6:49 PM CDT | Flash Flood Warning | EWX | Bexar, Comal | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001
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.