Alert archive / Texas / Flash Flood Watches in 2007
Flash Flood Watch 21, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood watch at Jun 22, 2007, 3:39 PM CDT for 23 counties in Texas. It was in force for 23 hr.
The area
The counties it named.
The facts
- Issued
- Jun 22, 2007, 3:39 PM CDT (20:39 UTC)
- Expired
- Jun 23, 2007, 2:52 PM CDT
- In force
- 23 hr
- Issued by
- NWS Austin/San Antonio, TX
- Flood severity
- None
All 23 counties
Atascosa County, TX, Bastrop County, TX, Bexar County, TX, Caldwell County, TX, Comal County, TX, DeWitt County, TX, Dimmit County, TX, Fayette County, TX, Frio County, TX, Gonzales County, TX, Guadalupe County, TX, Hays County, TX, Karnes County, TX, Kinney County, TX, Lavaca County, TX, Lee County, TX, Maverick County, TX, Medina County, TX, Travis County, TX, Uvalde County, TX, Williamson County, TX, Wilson County, TX, Zavala County, TX
The radar
The Austin/San Antonio radar (KEWX), 38 km from the middle of the area, began a volume at 20:40 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, 8.7 hours before the alert went out and 216 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
- 1630 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS64 KEWX 222039 FFAEWX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 339 PM CDT FRI JUN 22 2007 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING... .A TROUGH OF LOW PRESSURE IS CURRENTLY SITUATED OVER SOUTH CENTRAL TEXAS. ABUNDANT MOISTURE IS ON TAP FROM LOW LEVEL GULF FLOW. THIS SET UP WILL CONTINUE THROUGH SATURDAY EVENING...BRINGING CONTINUED CHANCES OF RAIN TO ALREADY SATURATED GROUNDS. TXZ202>205-217>220-228-230900- /O.NEW.KEWX.FF.A.0021.070622T2039Z-070624T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KINNEY-UVALDE-MEDINA-BEXAR-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- INCLUDING THE CITIES OF...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...EAGLE PASS...CRYSTAL CITY...PEARSALL...PLEASANTON... CARRIZO SPRINGS 339 PM CDT FRI JUN 22 2007 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A * FLASH FLOOD WATCH FOR A PORTION OF SOUTH CENTRAL TEXAS... INCLUDING THE FOLLOWING AREAS...ATASCOSA...BEXAR...DIMMIT... FRIO...KINNEY...MAVERICK...MEDINA...UVALDE AND ZAVALA. * THROUGH SATURDAY EVENING * SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH SATURDAY EVENING OVER AREAS WHERE RECENT RAINS HAVE SATURATED THE GROUND. LOCALLY HEAVY RAINFALL IS POSSIBLE WITH RAIN AMOUNTS OF 1 TO 3 INCHES EXPECTED THROUGH SATURDAY EVENING...AND LOCALLY HIGHER AMOUNTS OF 3 TO 5 INCHES POSSIBLE. * SATURATED SOILS DUE TO RECENT RAINS ACROSS THE WATCH AREA MAY CAUSE RAINFALL TO QUICKLY RUNOFF...LEADING TO FLOODING PROBLEMS. A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS ISSUED. $$
3 follow-up statements
000 WGUS64 KEWX 222130 FFAEWX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 430 PM CDT FRI JUN 22 2007 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING... .TROPICAL AIRMASS WILL REMAIN OVER SOUTH CENTRAL TEXAS AND THE COASTAL PLAINS THROUGH THE NEXT SEVERAL DAYS. THIS WILL LEAD TO AN ONGOING CHANCE FOR SHOWERS AND THUNDERSTORMS ACROSS THE REGION THROUGH THE WEEKEND. SOME OF THE STORMS WHICH DEVELOP MAY PRODUCE LOCALLY HEAVY RAINFALL. DUE TO GROUNDS ALREADY BEING SATURATED FROM PREVIOUS RAINFALL...ANY ADDITIONAL RAINFALL WILL BE QUICK TO RUNOFF AND MAY LEAD TO FLASH FLOODING PROBLEMS. TXZ173-191>194-206>209-221>225-230530- /O.EXA.KEWX.FF.A.0021.000000T0000Z-070624T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-COMAL-GUADALUPE-CALDWELL- FAYETTE-WILSON-KARNES-GONZALES-DE WITT-LAVACA- INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...NEW BRAUNFELS...SEGUIN...LOCKHART... LA GRANGE...FLORESVILLE...KARNES CITY...GONZALES...CUERO... HALLETTSVILLE 430 PM CDT FRI JUN 22 2007 ...FLASH FLOOD WATCH IN EFFECT THROUGH SATURDAY EVENING... THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTH CENTRAL TEXAS...INCLUDING THE FOLLOWING AREAS...BASTROP...CALDWELL... COMAL...DE WITT...FAYETTE...GONZALES...GUADALUPE...HAYS... KARNES...LAVACA...LEE...TRAVIS...WILLIAMSON AND WILSON. * THROUGH SATURDAY EVENING * SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH SATURDAY EVENING OVER AREAS WHERE RECENT RAINS HAVE SATURATED THE GROUND. LOCALLY HEAVY RAINFALL IS POSSIBLE WITH RAIN AMOUNTS OF 1 TO 3 INCHES EXPECTED THROUGH SATURDAY EVENING...AND LOCALLY HIGHER AMOUNTS OF 3 TO 5 INCHES POSSIBLE. * SATURATED SOILS DUE TO RECENT RAINS ACROSS THE WATCH AREA MAY CAUSE RAINFALL TO QUICKLY RUNOFF...LEADING TO FLOODING PROBLEMS. A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS ISSUED. $$ TXZ202>205-217>220-228-230530- /O.CON.KEWX.FF.A.0021.000000T0000Z-070624T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KINNEY-UVALDE-MEDINA-BEXAR-MAVERICK-ZAVALA-FRIO-ATASCOSA-DIMMIT- INCLUDING THE CITIES OF...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...EAGLE PASS...CRYSTAL CITY...PEARSALL...PLEASANTON... CARRIZO SPRINGS 430 PM CDT FRI JUN 22 2007 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF SOUTH CENTRAL TEXAS...INCLUDING THE FOLLOWING AREAS...ATASCOSA...BEXAR...DIMMIT...FRIO...KINNEY...MAVERICK... MEDINA...UVALDE AND ZAVALA. * THROUGH SATURDAY EVENING * SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH SATURDAY EVENING OVER AREAS WHERE RECENT RAINS HAVE SATURATED THE GROUND. LOCALLY HEAVY RAINFALL IS POSSIBLE WITH RAIN AMOUNTS OF 1 TO 3 INCHES EXPECTED THROUGH SATURDAY EVENING...AND LOCALLY HIGHER AMOUNTS OF 3 TO 5 INCHES POSSIBLE. * SATURATED SOILS DUE TO RECENT RAINS ACROSS THE WATCH AREA MAY CAUSE RAINFALL TO QUICKLY RUNOFF...LEADING TO FLOODING PROBLEMS. A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS ISSUED. $$
000 WGUS64 KEWX 230523 FFAEWX FLOOD WATCH NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1223 AM CDT SAT JUN 23 2007 ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... .TROPICAL AIRMASS WILL REMAIN OVER SOUTH CENTRAL TEXAS AND THE COASTAL PLAINS THROUGH THE NEXT SEVERAL DAYS. THIS WILL LEAD TO AN ONGOING CHANCE FOR SHOWERS AND THUNDERSTORMS ACROSS THE REGION THROUGH THE WEEKEND. SOME OF THE STORMS WHICH DEVELOP MAY PRODUCE LOCALLY HEAVY RAINFALL. DUE TO GROUNDS ALREADY BEING SATURATED FROM PREVIOUS RAINFALL...ANY ADDITIONAL RAINFALL WILL BE QUICK TO RUNOFF AND MAY LEAD TO FLASH FLOODING PROBLEMS. TXZ173-191>194-202>209-217>225-228-231700- /O.CON.KEWX.FF.A.0021.000000T0000Z-070624T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-MEDINA-BEXAR- COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-FRIO-ATASCOSA- WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...NEW BRAUNFELS...SEGUIN...LOCKHART...LA GRANGE... EAGLE PASS...CRYSTAL CITY...PEARSALL...PLEASANTON...FLORESVILLE... KARNES CITY...GONZALES...CUERO...HALLETTSVILLE...CARRIZO SPRINGS 1223 AM CDT SAT JUN 23 2007 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * A PORTION OF SOUTH CENTRAL TEXAS...INCLUDING THE FOLLOWING AREAS...ATASCOSA...BASTROP...BEXAR...CALDWELL...COMAL...DE WITT...DIMMIT...FAYETTE...FRIO...GONZALES...GUADALUPE...HAYS... KARNES...KINNEY...LAVACA...LEE...MAVERICK...MEDINA...TRAVIS... UVALDE...WILLIAMSON...WILSON AND ZAVALA. * THROUGH THIS EVENING * SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH SATURDAY EVENING OVER AREAS WHERE RECENT RAINS HAVE SATURATED THE GROUND. LOCALLY HEAVY RAINFALL IS POSSIBLE WITH RAIN AMOUNTS OF 1 TO 3 INCHES EXPECTED LATER THIS MORNING AND THIS AFTERNOON...AND LOCALLY HIGHER AMOUNTS OF 3 TO 5 INCHES POSSIBLE. * SATURATED SOILS DUE TO RECENT RAINS ACROSS THE WATCH AREA MAY CAUSE RAINFALL TO QUICKLY RUNOFF...LEADING TO FLOODING PROBLEMS. A FLASH FLOOD WATCH MEANS FLASH FLOODING IS POSSIBLE IN OR NEAR THE WATCH AREA. IF YOU ARE IN THE WATCH AREA...PLAN NOW FOR WHAT YOU WILL DO IF FLASH FLOODING DEVELOPS. STAY INFORMED AND BE READY TO ACT IF YOU SEE FLOODING OR IF A FLASH FLOOD WARNING IS ISSUED. $$
000 WGUS64 KEWX 231952 AAB FFAEWX FLOOD WATCH...UPDATED NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 252 PM CDT SAT JUN 23 2007 ...FLASH FLOOD WATCH FOR PORTIONS OF SOUTH CENTRAL TEXAS IS CANCELLED... TXZ173-191>194-202>209-217>225-228-232100- /O.CAN.KEWX.FF.A.0021.000000T0000Z-070624T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WILLIAMSON-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-MEDINA-BEXAR- COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-FRIO-ATASCOSA- WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT- INCLUDING THE CITIES OF...GEORGETOWN...SAN MARCOS...AUSTIN... BASTROP...GIDDINGS...BRACKETTVILLE...UVALDE...HONDO... SAN ANTONIO...NEW BRAUNFELS...SEGUIN...LOCKHART...LA GRANGE... EAGLE PASS...CRYSTAL CITY...PEARSALL...PLEASANTON...FLORESVILLE... KARNES CITY...GONZALES...CUERO...HALLETTSVILLE...CARRIZO SPRINGS 252 PM CDT SAT JUN 23 2007 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTH CENTRAL TEXAS HAS BEEN CANCELLED. ONLY ISOLATED TO SCATTERED SHOWERS WITH A FEW THUNDERSTORMS PERSIST OVER SOUTH CENTRAL TEXAS AND ARE CURRENTLY NOT PRODUCING EXCESSIVE RAINFALL. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE OVER THE NEXT FEW DAYS AND ANOTHER FLASH FLOOD WATCH MAY BE REQUIRED LATER. $$
Nearby
Flash Flood Watches in Texas, 2007Every flash flood watch 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.