Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 340, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 15, 2007, 1:00 AM CDT for Caldwell County, Gonzales County, Guadalupe County, Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 15, 2007, 1:00 AM CDT (06:00 UTC)
- Expired
- Jul 15, 2007, 4:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Caldwell County, TX, Gonzales County, TX, Guadalupe County, TX
The radar
The Austin/San Antonio radar (KEWX), 34 km from the middle of the area, began a volume at 06:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 15, 1:55 AM CDT | HEAVY RAIN 0.88 | 4 E New Braunfels, TX | 1 HOUR RAINFALL TOTAL AT NWS OFFICE |
| Jul 15, 1:55 AM CDT | HEAVY RAIN 1.31 | 7 Wnw Seguin, TX | ONE HOUR RAINFALL TOTAL FROM GBRA GAUGE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.0 hours before the alert went out and 213 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
- 2097 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 1072 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 150600
FFWEWX
TXC055-091-177-187-150900-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
100 AM CDT SUN JUL 15 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CALDWELL COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF LULING...
COMAL COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF NEW BRAUNFELS...
GONZALES COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF GONZALES...
GUADALUPE COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF SEGUIN...
* UNTIL 400 AM CDT
* AT 1248 AM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING FROM
THUNDERSTORMS ALONG A LINE EXTENDING FROM 12 MILES NORTHEAST OF
LULING TO SMITHSON VALLEY...OR ALONG A LINE EXTENDING FROM 11 MILES
SOUTHEAST OF LOCKHART TO NEW BRAUNFELS...MOVING SOUTH AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ZORN...FENTRESS...GARDEN RIDGE...GERONIMO...KINGSBURY...WAELDER...
CIBOLO...MARION...MCQUEENEY...PALMETO AND NEW BERLIN
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD
WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 2947 9726 2941 9802 2941 9811 2945 9814
2949 9813 2949 9817 2966 9832 2984 9825
2985 9805 2976 9800 2986 9790 2987 9753
2987 9743 2966 9718
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 1:00 AM CDT | Flash Flood Warning | EWX | Caldwell, Comal, Gonzales, Guadalupe | 3 hr |
| Jul 15, 1:31 AM CDT | Flash Flood Warning | EWX | Fayette, Lee | 3 hr |
| Jul 15, 2:13 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 15, 3:21 AM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
| Jul 15, 3:41 AM CDT | Flash Flood Warning | EWX | Gonzales | 2 hr |
| Jul 15, 3:52 AM CDT | Flash Flood Warning | EWX | DeWitt | 113 min |
| Jul 15, 4:14 AM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
| Jul 15, 5:38 AM CDT | Flash Flood Warning | EWX | Gonzales | 67 min |
| Jul 15, 5:44 AM CDT | Flash Flood Warning | EWX | DeWitt | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.