Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 320, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 6, 2007, 6:53 PM CDT for Travis County, Texas. It was in force for 3 hr. 1 report 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 6, 2007, 6:53 PM CDT (23:53 UTC)
- Expired
- Jul 6, 2007, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Travis County, TX
The radar
The Ft Hood radar (KGRK), 58 km from the middle of the area, began a volume at 23:54 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 6, 8:11 PM CDT | HEAVY RAIN 2.73 | 10 Wsw Austin, TX | MEASURED BY LCRA RAIN GAGE ON BARTON SPRINGS AT STATE HIGHWAY 71 NEAR OAK HILL BETWEEN 611 PM AND 811 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.9 hours before the alert went out and 281 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
- 146 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 531 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -24 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 062356 FFWEWX TXC453-070300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 653 PM CDT FRI JUL 6 2007 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... TRAVIS COUNTY IN SOUTH CENTRAL TEXAS... THIS INCLUDES THE CITIES OF...TANGLEWOOD FOREST...AUSTIN... * UNTIL 1000 PM CDT * AT 648 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING FROM THUNDERSTORMS FROM DOWNTOWN AUSTIN TO 10 MILES WEST OF THE LAKEWAY AND BEE CAVE AREAS. RAINFALL RATES OF 1 TO 3 INCHES PER HOUR WERE NOTED. THESE RAINS WILL IMPACT THE BARTON CREEK AND PORTIONS OF THE COLORADO RIVER WATERSHEDS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST LAKE HILLS...MANSFIELD DAM AND BEE CAVE WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 3016 9789 3020 9763 3044 9766 3033 9810 $$
4 follow-up statements
000 WGUS74 KEWX 070052 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 750 PM CDT FRI JUL 6 2007 TXC453-070300- TRAVIS TX- 750 PM CDT FRI JUL 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR TRAVIS COUNTY... AT 747 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAINS AND FLASH FLOODING BETWEEN SOUTH AUSTIN...BUDA AND DRIFTWOOD. RAINFALL RATES OF 1 TO 3 INCHES PER HOUR WERE NOTED. THESE RAINS WILL IMPACT THE BARTON CREEK...ONION CREEK...SLAUGHTER CREEK AND PORTIONS OF THE COLORADO RIVER BASINS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST LAKE HILLS...MANSFIELD DAM...BEE CAVE AND AUSTIN RUNOFF FROM HEAVY RAIN WILL FLOOD CREEKS, STREAMS, STREET INTERSECTIONS, CULVERTS AND UNDERPASSES. LOW LYING PLACES THAT NORMALLY FLOOD COULD BECOME DEATH TRAPS. DO NOT CROSS ANY FLOODED AREA. TURN AROUND DONT DROWN. WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 3004 9773 3020 9763 3044 9766 3033 9810 $$
000 WGUS74 KEWX 070136 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 833 PM CDT FRI JUL 6 2007 TXC453-070300- TRAVIS TX- 833 PM CDT FRI JUL 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR TRAVIS COUNTY... AT 831 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A THUNDERSTORM PRODUCING VERY HEAVY RAIN FROM THE AUSTIN BERGSTROM INTERNATIONAL AIRPORT AREA TO ACROSS THE DEL VALLE TO CREEDMOOR AREAS. RAINFALL RATES OF ONE INCH PER HOUR WERE NOTED. EARLIER VERY HEAVY RAINS WILL IMPACT THE BARTON CREEK...ONION CREEK...SLAUGHTER CREEK AND PORTIONS OF THE COLORADO RIVER BASINS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST LAKE HILLS...ROLLINGWOOD...MANSFIELD DAM...BEE CAVE AND AUSTIN RUNOFF FROM HEAVY RAIN WILL FLOOD CREEKS, STREAMS, STREET INTERSECTIONS, CULVERTS AND UNDERPASSES. LOW LYING PLACES THAT NORMALLY FLOOD COULD BECOME DEATH TRAPS. DO NOT CROSS ANY FLOODED AREA. TURN AROUND DONT DROWN. 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 3004 9773 3020 9752 3037 9768 3033 9810 $$
000 WGUS74 KEWX 070210 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 910 PM CDT FRI JUL 6 2007 TXC453-070300- TRAVIS TX- 910 PM CDT FRI JUL 6 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR TRAVIS COUNTY... AT 906 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED RAINS RAPIDLY DECREASING ACROSS TRAVIS COUNTY. THE THREAT FOR ADDITIONAL FLASH FLOODING IS DECREASING. HOWEVER...EARLIER VERY HEAVY RAINS WILL CONTINUE TO CAUSE RISES ON BARTON...ONION AND SLAUGHTER CREEKS. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEST LAKE HILLS...ROLLINGWOOD...MANSFIELD DAM...BEE CAVE AND AUSTIN WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS. LAT...LON 3004 9773 3020 9752 3037 9768 3033 9810 $$
000 WGUS74 KEWX 070256 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 955 PM CDT FRI JUL 6 2007 TXC453-070305- TRAVIS TX- 955 PM CDT FRI JUL 6 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 PM CDT FOR TRAVIS COUNTY... 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 RISES CAN BE EXPECTED ON BARTON...ONION AND SLAUGHTER CREEKS DUE TO EARLIER VERY HEAVY RAINS. LAT...LON 3004 9773 3020 9752 3037 9768 3033 9810 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 9:13 PM CDT | River Flood Warning | EWX | Bastrop | 36 hr |
| Jul 5, 9:38 PM CDT | Flash Flood Warning | EWX | DeWitt | 2 hr |
| Jul 5, 11:03 PM CDT | River Flood Warning | EWX | Frio | 10 hr |
| Jul 6, 1:49 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell | 4 hr |
| Jul 6, 2:59 AM CDT | Flash Flood Warning | EWX | Guadalupe | 3 hr |
| Jul 6, 3:23 AM CDT | Flash Flood Warning | EWX | Lee | 3 hr |
| Jul 6, 3:46 AM CDT | River Flood Warning | EWX | Bastrop, Fayette | 41 hr |
| Jul 6, 3:57 AM CDT | Flash Flood Warning | EWX | Williamson | 4 hr |
| Jul 6, 4:54 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 6, 5:30 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell | 3 hr |
| Jul 6, 6:15 AM CDT | Flash Flood Warning | EWX | Lee | 3 hr |
| Jul 6, 9:06 AM CDT | River Flood Warning | EWX | Fayette | 50 hr |
| Jul 6, 12:45 PM CDT | Flash Flood Warning | EWX | Maverick | 4 hr |
| Jul 6, 1:07 PM CDT | Flash Flood Warning | EWX | DeWitt | 4 hr |
| Jul 6, 1:30 PM CDT | Flash Flood Warning | EWX | Lavaca | 4 hr |
| Jul 6, 2:45 PM CDT | Flash Flood Warning | EWX | Atascosa, Frio | 3 hr |
| Jul 6, 2:45 PM CDT | Flash Flood Warning | EWX | Atascosa, Dimmit, Frio, Zavala | 3 hr |
| Jul 6, 4:48 PM CDT | Flash Flood Warning | EWX | Bexar, Wilson | 3 hr |
| Jul 6, 5:12 PM CDT | Flash Flood Warning | EWX | Gonzales | 3 hr |
| Jul 6, 5:42 PM CDT | Flash Flood Warning | EWX | Frio | 2 hr |
| Jul 6, 6:20 PM CDT | Flash Flood Warning | EWX | Fayette | 115 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.