Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 18, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jan 13, 2007, 10:32 AM CST for Comal County, Guadalupe 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 counties it named.
The facts
- Issued
- Jan 13, 2007, 10:32 AM CST (16:32 UTC)
- Expired
- Jan 13, 2007, 1:30 PM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Comal County, TX, Guadalupe County, TX
The radar
The Austin/San Antonio radar (KEWX), 8 km from the middle of the area, began a volume at 16:31 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, 4.5 hours before the alert went out and 231 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
- 624 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 131634 FFWEWX TXC091-187-131930- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1032 AM CST SAT JAN 13 2007 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... COMAL GUADALUPE * UNTIL 130 PM CST * AT 1026 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE TO HEAVY RAINS FROM NORTH OF SEGUIN TO NEW BRAUNFELS TO CANYON LAKE. RAINFALL RATES OF UP TO ONE INCH PER HOUR WERE NOTED. THE RAINS WERE MOVING NORTHEAST AT 25 MPH. THIS RAIN WILL ADD TO THE FLASH FLOODING CURRENTLY OCCURRING IN THE WARNING AREA. * LOCATIONS IN THE WARNING INCLUDE ZORN AND SMITHSON VALLEY WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE THROUGH FLOODED AREAS...ESPECIALLY AT NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR THE LATEST FLOOD INFORMATION. REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 2964 9835 2941 9809 2966 9779 2994 9823 $$
2 follow-up statements
000 WGUS74 KEWX 131816 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1215 PM CST SAT JAN 13 2007 TXC091-187-131930- COMAL TX-GUADALUPE TX- 1215 PM CST SAT JAN 13 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM CST FOR GUADALUPE AND COMAL COUNTIES... AT 1209 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ONLY LIGHT RAINS ACROSS COMAL AND GUADALUPE COUNTIES. RAINFALL RATES OF LESS THAN ONE QUARTER INCH WERE NOTED. THE RAINS WERE MOVING... NORTHEAST AT 25 MPH. NUMEROUS ROADS REMAIN CLOSED ACROSS COMAL AND GUADALUPE COUNTIES. LOCATIONS IN THE WARNING INCLUDE ZORN...SMITHSON VALLEY...NEW BRAUNFELS AND GERONIMO WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 2964 9835 2941 9809 2966 9779 2994 9823 $$
000 WGUS74 KEWX 131932 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 131 PM CST SAT JAN 13 2007 TXC091-187-131941- COMAL TX-GUADALUPE TX- 131 PM CST SAT JAN 13 2007 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR GUADALUPE AND COMAL COUNTIES... AT 130 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED ONLY LIGHT RAINS ACROSS COMAL AND GUADALUPE COUNTIES. AS A RESULT...THE THREAT FOR ADDITIONAL FLASH FLOODING HAS ENDED. HOWEVER...NUMEROUS ROADS REMAIN CLOSED AND STREAMS ARE RUNNING HIGH FROM EARLIER HEAVY RAINS. LAT...LON 2964 9835 2941 9809 2966 9779 2994 9823 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 6:25 AM CST | Flash Flood Warning | EWX | Hays, Travis | 3 hr |
| Jan 13, 7:24 AM CST | Flash Flood Warning | EWX | Comal, Guadalupe | 3 hr |
| Jan 13, 8:44 AM CST | Flash Flood Warning | EWX | Williamson | 2 hr |
| Jan 13, 9:25 AM CST | Flash Flood Warning | EWX | Hays, Travis | 2 hr |
| Jan 13, 10:13 AM CST | Flash Flood Warning | EWX | Blanco, Kendall | 3 hr |
| Jan 13, 10:45 AM CST | Flash Flood Warning | EWX | Williamson | 3 hr |
| Jan 13, 11:11 AM CST | Flash Flood Watch | EWX | Atascosa, Bastrop, Bexar, Blanco, Burnet, Caldwell and 15 more | 9 hr |
| Jan 13, 11:16 AM CST | Flash Flood Warning | EWX | Hays, Travis | 2 hr |
| Jan 13, 12:20 PM CST | Winter Storm Watch | EWX | Atascosa, Bexar, DeWitt, Dimmit, Frio, Gonzales and 10 more | 16 hr |
| Jan 13, 12:20 PM CST | Winter Storm Warning | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 4 days |
| Jan 13, 1:16 PM CST | Flash Flood Warning | EWX | Blanco | 119 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.