Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 26, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 26, 2001, 7:17 PM CDT for Gonzales County, Texas. It was in force for 118 min. 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
- Aug 26, 2001, 7:17 PM CDT (00:17 UTC)
- Expired
- Aug 26, 2001, 9:15 PM CDT
- In force
- 118 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Gonzales County, TX
The radar
The Austin/San Antonio radar (KEWX), 51 km from the middle of the area, began a volume at 00:21 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, 0.3 hours before the alert went out and 192 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
- 2106 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1151 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 270019
FFWSAT
TXC177-270215-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
717 PM CDT SUN AUG 26 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
GONZALES
* UNTIL 915 PM CDT
* AT 717 PM...WEATHER SERVICE DOPPLER RADAR INDICATED A PERSISTANT
AREA OF VERY HEAVY RAIN NEAR NIXON...SMILEY...AND LEESVILLE...
MOVING VERY LITTLE.
* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
SMILEY
GONZALES
NIXON
RAINFALL RATES OF 3 TO 5 INCHES PER HOUR ARE BEING ESTIMATED. SOME
FLOWING WATER IS REPORTED IN THE NIXON AREA.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
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 2939 9784 2915 9763 2942 9727 2967 9739
2962 9764The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:30 PM CDT | Flash Flood Warning | EWX | Hays, Travis, Williamson | 3 hr |
| Aug 27, 12:28 AM CDT | Flash Flood Warning | EWX | Hays, Travis, Williamson | 4 hr |
| Aug 27, 3:56 PM CDT | Flash Flood Warning | EWX | Guadalupe | 2 hr |
| Aug 27, 4:09 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 111 min |
| Aug 27, 4:55 PM CDT | Flash Flood Warning | EWX | Comal, Kendall | 2 hr |
| Aug 27, 6:46 PM CDT | Flash Flood Warning | EWX | Guadalupe | 119 min |
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.