Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 35, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 30, 2002, 3:42 PM CDT for Blanco County, Burnet County, Kendall County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 30, 2002, 3:42 PM CDT (20:42 UTC)
- Expired
- Jun 30, 2002, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Blanco County, TX, Burnet County, TX, Kendall County, TX
The radar
The Austin/San Antonio radar (KEWX), 85 km from the middle of the area, began a volume at 20:46 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, 8.7 hours before the alert went out and 248 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
- 792 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 625 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
695
WGUS54 KEWX 302042
FFWSAT
TXC031-053-259-302300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
340 PM CDT SUN JUN 30 2002
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
BURNET
BLANCO
KENDALL
* UNTIL 600 PM CDT
* AT 340 PM...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN
10 MILES SOUTHWEST OF BLANCO...OR ABOUT 16 MILES NORTHWEST OF
CANYON LAKE...MOVING NORTHEAST AT 20 MPH. THUNDERSTORMS WILL
CONTINUE TO TRAIN NORTHEASTWARD ACROSS THE COUNTIES. RAINFALL
RATES ARE ESTIMATED AT AROUND 1 INCH AN HOUR.
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 3009 9892 2975 9875 3005 9835 3091 9790
3102 9843 3053 9831 3048 9852 3013 9857
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 4:08 AM CDT | Flash Flood Warning | EWX | Guadalupe | 3 hr |
| Jun 30, 6:18 AM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jun 30, 6:46 AM CDT | Flash Flood Warning | EWX | Blanco, Comal, Hays | 4 hr |
| Jun 30, 7:02 AM CDT | Flash Flood Warning | EWX | Guadalupe | 4 hr |
| Jun 30, 7:21 AM CDT | Flash Flood Warning | EWX | Lavaca | 4 hr |
| Jun 30, 7:46 AM CDT | Flash Flood Warning | EWX | Bastrop, Travis, Williamson | 4 hr |
| Jun 30, 8:08 AM CDT | Flash Flood Warning | EWX | Kendall | 4 hr |
| Jun 30, 8:46 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jun 30, 9:29 AM CDT | Flash Flood Warning | EWX | Burnet | 4 hr |
| Jun 30, 9:49 AM CDT | Flash Flood Warning | EWX | Gillespie | 3 hr |
| Jun 30, 10:24 AM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Jun 30, 10:43 AM CDT | Flash Flood Warning | EWX | Blanco | 2 hr |
| Jun 30, 11:24 AM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Jun 30, 12:52 PM CDT | Flash Flood Warning | EWX | Bandera, Blanco, Burnet, Gillespie, Kendall, Kerr and 1 more | 3 hr |
| Jun 30, 1:43 PM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Comal, Guadalupe, Hays, Wilson | 3 hr |
| Jun 30, 4:54 PM CDT | Flash Flood Warning | EWX | Blanco, Comal, Gillespie, Hays, Kendall, Kerr | 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.