Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 321, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 6, 2007, 7:08 PM CDT for Comal County, Hays 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
- Jul 6, 2007, 7:08 PM CDT (00:08 UTC)
- Expired
- Jul 6, 2007, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Comal County, TX, Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 28 km from the middle of the area, began a volume at 00:08 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, 0.1 hours before the alert went out and 257 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
- 2553 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 77 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 070008 FFWEWX TXC091-209-070300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 708 PM CDT FRI JUL 6 2007 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... COMAL COUNTY IN SOUTH CENTRAL TEXAS... THIS INCLUDES THE CITY OF CANYON LAKE DAM... HAYS COUNTY IN SOUTH CENTRAL TEXAS... THIS INCLUDES THE CITY OF WIMBERLEY... * UNTIL 1000 PM CDT * AT 706 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING FROM THUNDERSTORMS FROM THE SATTLER...CANYON LAKE AND FISCHER AREAS TO THE DRIFTWOOD TO BUDA AREAS. RAINFALL RATES OF 2 TO 3 INCHES PER HOUR WERE NOTED. THESE RAINS WILL IMPACT PORTIONS OF THE GUADALUPE RIVER...BLANCO RIVER...SAN MARCOS RIVER...AND ONION CREEK WATERSHEDS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODCREEK...FISCHER AND DRIFTWOOD WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 2995 9840 2970 9817 3003 9784 3016 9803 $$
3 follow-up statements
000 WGUS74 KEWX 070049 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 744 PM CDT FRI JUL 6 2007 TXC091-209-070300- HAYS TX-COMAL TX- 744 PM CDT FRI JUL 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR COMAL AND HAYS COUNTIES... AT 742 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAINS AND FLASH FLOODING BETWEEN NEW BRAUNFELS...WIMBERLEY...AND TWIN SISTERS AS WELL AS FROM BUDA TO 5 MILES SOUTH OF HENLY. RAINFALL RATES OF 1 TO 3 INCHES PER HOUR WERE NOTED. THESE RAINS WILL IMPACT AND CAUSE RISES ON PORTIONS OF THE BLANCO RIVER...SAN MARCOS RIVER...AND ONION CREEK WATERSHEDS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODCREEK... WIMBERLEY...FISCHER AND DRIFTWOOD WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS. LAT...LON 2995 9840 2970 9817 3003 9784 3016 9803 $$
000 WGUS74 KEWX 070131 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 829 PM CDT FRI JUL 6 2007 TXC091-209-070300- HAYS TX-COMAL TX- 829 PM CDT FRI JUL 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR COMAL AND HAYS COUNTIES... AT 826 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED RAINS RAPIDLY DECREASING ACROSS THE AREA WITH SOME MODERATE RAIN BETWEEN BUDA AND HENLY AND PATCHY LIGHT RAIN ELSEWHERE. RAINFALL RATES WERE LESS THAN ONE QUARTER INCH PER HOUR. SOME RISES CAN BE EXPECTED ALONG THE BLANCO RIVER...SAN MARCOS RIVER AND ONION CREEK WATERSHEDS DUE TO THE EARLIER VERY HEAVY RAINS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODCREEK... WIMBERLEY...FISCHER AND DRIFTWOOD 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. LAT...LON 2995 9840 2970 9817 3003 9784 3016 9803 $$
000 WGUS74 KEWX 070254 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 951 PM CDT FRI JUL 6 2007 TXC091-209-070301- HAYS TX-COMAL TX- 951 PM CDT FRI JUL 6 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 PM CDT FOR COMAL AND HAYS COUNTIES... AT 950 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED ONLY A FEW PATCHES OF LIGHT RAIN. THE THREAT FOR FLASH FLOODING HAS ENDED. AS A RESULT...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...SOME SMALL RISES CAN BE EXPECTED ALONG THE BLANCO RIVER...SAN MARCOS RIVER AND ONION CREEK WATERSHEDS DUE TO EARLIER VERY HEAVY RAINS. LAT...LON 2995 9840 2970 9817 3003 9784 3016 9803 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 7:18 PM CDT | Flash Flood Warning | EWX | Bandera, Kerr | 3 hr |
| Jul 6, 11:06 PM CDT | River Flood Warning | EWX | Comal, Guadalupe | 11 hr |
| Jul 6, 11:06 PM CDT | River Flood Warning | EWX | Comal, Guadalupe | 11 hr |
| Jul 7, 1:45 AM CDT | Flash Flood Warning | EWX | Dimmit | 3 hr |
| Jul 7, 2:20 AM CDT | Flash Flood Warning | EWX | Atascosa, Frio | 3 hr |
| Jul 7, 3:55 AM CDT | Flash Flood Warning | EWX | Bexar, Medina | 3 hr |
| Jul 7, 5:01 AM CDT | Flash Flood Warning | EWX | Atascosa, Frio | 119 min |
| Jul 7, 5:42 AM CDT | Flash Flood Warning | EWX | Guadalupe | 4 hr |
| Jul 7, 5:54 AM CDT | Flash Flood Warning | EWX | Gonzales, Wilson | 4 hr |
| Jul 7, 6:55 AM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Jul 7, 3:49 PM CDT | Flash Flood Warning | EWX | DeWitt, Lavaca | 3 hr |
| Jul 7, 4:21 PM CDT | Flash Flood Warning | EWX | Medina | 114 min |
| Jul 7, 4:33 PM CDT | Flash Flood Warning | EWX | Edwards, Real | 3 hr |
| Jul 7, 6:06 PM CDT | Flash Flood Warning | EWX | Medina | 114 min |
| Jul 7, 6:12 PM CDT | Flash Flood Warning | EWX | Williamson | 2 hr |
| Jul 7, 6:18 PM CDT | Flash Flood Warning | EWX | Caldwell, Gonzales | 117 min |
| Jul 7, 6:21 PM CDT | River Flood Warning | EWX | Bexar, Wilson | 15 hr |
| Jul 7, 6:31 PM CDT | Flash Flood Warning | EWX | Hays | 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.