Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 47, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 1, 2002, 6:20 PM CDT for Kendall County, Texas. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2002, 6:20 PM CDT (23:20 UTC)
- Expired
- Jul 1, 2002, 8:15 PM CDT
- In force
- 115 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 72 km from the middle of the area, began a volume at 23:19 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 12:00Z, 11.3 hours before the alert went out and 207 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
- 676 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 625 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 19 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 012320
FFWSAT
TXC259-020115-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
621 PM CDT MON JUL 1 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
KENDALL
* UNTIL 815 PM CDT
* AT 619 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
3 MILES SOUTHWEST OF BOERNE...MOVING EAST AT 5 MPH.
* THIS WARNING INCLUDES LOCATIONS IN AND AROUND...
BOERNE
RAINFALL RATES OF ONE TO ONE AND ONE-HALF INCHES PER HOUR WILL
PERSIST AND CAUSE ADDITIONAL FLASH FLOODING DUE TO RAPID RUNOFF.
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 2979 9889 2974 9879 2977 9865 2996 9843
2986 9892The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 4:28 AM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Jul 1, 6:36 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 1, 6:56 AM CDT | Flash Flood Warning | EWX | Gonzales, Guadalupe | 2 hr |
| Jul 1, 7:48 AM CDT | Flash Flood Warning | EWX | Atascosa | 117 min |
| Jul 1, 8:50 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Jul 1, 9:31 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar | 2 hr |
| Jul 1, 12:07 PM CDT | Flash Flood Warning | EWX | Dimmit, Zavala | 3 hr |
| Jul 1, 12:12 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Frio | 3 hr |
| Jul 1, 3:22 PM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Jul 1, 4:09 PM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Jul 1, 5:02 PM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood warning in 2002
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.