Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 290, NWS Austin/San Antonio, TX

July 3, 2007Kendall County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jul 3, 2007, 8:22 PM CDT for Kendall 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 3, 2007, 8:22 PM CDT (01:22 UTC)
Expired: Jul 3, 2007, 11:15 PM CDT
In force: 3 hr
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

County Kendall County, TX

The radar

The Austin/San Antonio radar (KEWX), 71 km from the middle of the area, began a volume at 01:26 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

Del Rio, TX (KDRT), launched 00:00Z, 1.4 hours before the alert went out and 215 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2035 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 1145 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KEWX 040123
FFWEWX
TXC259-040415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
822 PM CDT TUE JUL 3 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KENDALL COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITY OF BOERNE...

* UNTIL 1115 PM CDT

* AT 816 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
  RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING IS
  POSSIBLE FROM A THUNDERSTORM MOVING INTO EASTERN KENDALL COUNTY.
  RAINFALL RATES WERE ESTIMATED AT 2 INCHES AN HOUR IN THE VICINITY
  OF KENDALIA. MOVEMENT WAS WEST AT 10 TO 15 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARING...
  SISTERDALE AND KENDALIA.

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 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

5 follow-up statements

000 
WGUS74 KEWX 040139
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
837 PM CDT TUE JUL 3 2007

TXC259-040415-
KENDALL TX-
837 PM CDT TUE JUL 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
KENDALL COUNTY...

AT 831 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER KENDALL COUNTY.
RAINFALL RATES WERE ESTIMATED AT 2 INCHES AN HOUR SOUTHWEST OF
KENDALIA ALONG FM 3351. MOVEMENT WAS WEST AT 10 TO 15 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SISTERDALE
AND KENDALIA.

WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.

LAT...LON 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

000 
WGUS74 KEWX 040212
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
911 PM CDT TUE JUL 3 2007

TXC259-040415-
KENDALL TX-
911 PM CDT TUE JUL 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
KENDALL COUNTY...

AT 905 PM CDT...HEAVY RAINFALL HAS ENDED ACROSS KENDALL COUNTY. HOWEVER
LIGHT TO MODERATE RAIN CONTINUES ACROSS THE COUNTY AND RUNOFF FROM
EARLIER RAINS MAY STILL CAUSE FLASH FLOODING. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARING...
SISTERDALE AND KENDALIA.

LAT...LON 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

000 
WGUS74 KEWX 040258
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
957 PM CDT TUE JUL 3 2007

TXC259-040415-
KENDALL TX-
957 PM CDT TUE JUL 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
KENDALL COUNTY...

AT 947 PM CDT...LIGHT TO MODERATE RAINS CONTINUED ACROSS THE NORTHERN
HALF OF KENDALL COUNTY.  RUNOFF FROM EARLIER HEAVY RAINS MAY STILL
PRODUCE FLASH FLOODING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARING...
SISTERDALE AND KENDALIA.

LAT...LON 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

000 
WGUS74 KEWX 040327
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1024 PM CDT TUE JUL 3 2007

TXC259-040415-
KENDALL TX-
1024 PM CDT TUE JUL 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
KENDALL COUNTY...

AT 1017 PM CDT...HEAVY RAINFALL HAS ENDED ACROSS THE COUNTY. RUNOFF
FROM EARLIER HEAVY RAINS MAY STILL CAUSE FLASH FLOODING. PERSONS
ALONG CURRY CREEK AND RAWLS CREEK IN EASTERN KENDALL COUNTY SHOULD
REMAIN ALERT FOR RISING WATER. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARING...
SISTERDALE AND KENDALIA

LAT...LON 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

000 
WGUS74 KEWX 040416
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1116 PM CDT TUE JUL 3 2007

TXC259-040426-
KENDALL TX-
1116 PM CDT TUE JUL 3 2007

...THE FLASH FLOOD WARNING HAS EXPIRED FOR KENDALL COUNTY...

THE THREAT OF FLASH FLOODING HAS ENDED ACROSS THE COUNTY.

LAT...LON 2980 9891 2975 9874 2982 9857 2995 9844
      3011 9858 3012 9889

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 3, 6:29 PM CDT, 1 hour 53 minutes earlier.

Area forecast discussion, Jul 3, 6:29 PM CDT, 1 hour 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
629 PM CDT TUE JUL 3 2007

.AVIATION...
THIS EVENING AN UPPER LEVEL LOW PRESSURE SYSTEM WAS CENTERED OVER
THE TEXAS HILL COUNTRY. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS
ASSOCIATED WITH THIS SYSTEM WERE CONCENTRATED ALONG AND WEST OF THE
I-35 CORRIDOR. CONVECTION WILL LESSEN IN INTENSITY AND COVERAGE
THIS EVENING. THIS CONVECTION WILL CONTINUE TO IMPACT THE I-35
CORRIDOR TERMINALS THRU 02Z. IFR CONDITIONS WILL ACCOMPANY THE
SHOWERS AND THUNDERSTORMS. ONCE AGAIN MVFR CIGS WILL DEVELOP
AROUND 04Z LOWERING TO IFR AFTER 06Z. CIGS WEDNESDAY MORNING WILL
IMPROVE TO MVFR AFTER 15Z. THE UPPER LEVEL LOW PRESSURE SYSTEM
WILL REMAIN OVER THE REGION ON WEDNESDAY. SCATTERED SHOWERS WILL
DEVELOP IN THE MORNING HOURS WITH SCATTERED TO NUMEROUS
THUNDERSTORMS LIKELY IN THE AFTERNOON. SFC WINDS WILL BE LIGHT
EASTERLY OVERNIGHT...AND EAST AROUND 10 KTS DURING THE DAY ON
WEDNESDAY. WIND GUSTS OF 25 KTS WILL BE POSSIBLE IN AND NEAR
THUNDERSTORMS WEDNESDAY AFTERNOON.

&&

.PREV DISCUSSION... /ISSUED 307 PM CDT TUE JUL 3 2007/

DISCUSSION...FLASH FLOOD WATCH EXTENDED UNTIL 6 PM CDT WEDNESDAY.
MODELS MIGRATE THE SEMI-TROPICAL UPPER LOW SOUTH ACROSS WESTERN
PORTIONS OF SOUTH CENTRAL TEXAS TONIGHT AND IT WILL LIKELY STALL
ALONG THE LOWER RIO GRANDE PLAINS AREA WEDNESDAY INTO WEDNESDAY
NIGHT. OUR SOUTHWEST COUNTY WARNING AREA (CWA) WILL BE IN CLOSE
PROXIMITY TO THE UPPER LOW AS IT STALLS, THUS HEAVY RAINS MAY
DEVELOP LATE TONIGHT ACROSS THE SOUTHWEST CWA UNDER THE UPPER LOW.
IN ADDITION..A SECONDARY MAXIMA OF HEAVY RAINS WILL LIKELY DEVELOP
OVERNIGHT AND INTO THE DAY WEDNESDAY AS THE LOW LEVEL JET REFORMS
OVER THE EASTERN THIRD OF THE CWA AND THEN ENCOUNTERS LIFT ALONG
THE ESCARPMENT. GENERAL WIDESPREAD 1 TO 3 INCH AMOUNTS CAN BE
EXPECTED WITH LOCALIZED TOTALS UP TO 8 INCHES THROUGH WEDNESDAY.
ANOTHER BOUT OF EXCESSIVE RAINS MAY OCCUR TOMORROW NIGHT
OVER OUR SOUTHWEST CWA AS THE LOWS MEANDERS SLOWLY NORTHWARD.
THE RAINS WILL LESSEN (IN AREAL COVERAGE) FINALLY LATE THURSDAY
INTO FRIDAY AS THE LOW MOVES NORTHWEST OF THE CWA AROUND A
BUILDING BERMUDA RIDGE TO THE EAST. WIDELY SCATTERED MAINLY
DIURNAL SHOWERS AND THUNDERSTORMS ARE FORECAST THIS WEEKEND
INTO EARLY NEXT WEEK WITH MOIST GROUND CONDITIONS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AUSTIN CAMP MABRY              71  81  73  85  74 /  80  80  70  50  40
AUSTIN BERGSTROM INTL AIRPORT  71  82  72  86  73 /  80  80  70  50  40
DEL RIO INTL AIRPORT           74  89  75  88  73 /  60  60  70  60  60
SAN ANTONIO INTL AIRPORT       72  86  73  85  74 /  80  80  80  50  40

&&

.EWX WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH WEDNESDAY AFTERNOON FOR THE FOLLOWING
ZONES: ATASCOSA...BANDERA...BASTROP...BEXAR...BLANCO...BURNET...
CALDWELL...COMAL...DE WITT...DIMMIT...EDWARDS...FAYETTE...FRIO...
GILLESPIE...GONZALES...GUADALUPE...HAYS...KARNES...KENDALL...KERR...
KINNEY...LAVACA...LEE...LLANO...MAVERICK...MEDINA...REAL...TRAVIS...
UVALDE...VAL VERDE...WILLIAMSON...WILSON...ZAVALA.

&&

11/13

Hazardous weather outlook, Jul 3, 2:59 PM CDT, 5 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
259 PM CDT TUE JUL 3 2007

TXZ171>173-183>194-202>209-217>225-228-042000-
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
259 PM CDT TUE JUL 3 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL TEXAS.

.DAY ONE...TODAY AND TONIGHT...
A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING. AN
UPPER LEVEL LOW PRESSURE SYSTEM OVER NORTH TEXAS MOVING SOUTHWESTWARD
WILL COMBINE WITH A VERY MOIST UNSTABLE AIRMASS OVER THE AREA TO
RESULT IN A POTENTIAL FOR EXCESSIVE RAINFALL. THERE WILL CONTINUE
TO BE A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS WITH HEAVY RAINS
AND FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THERE WILL CONTINUE TO BE A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS
WITH LOCALLY HEAVY RAINFALL AND FLASH FLOODING THROUGH AT LEAST THURSDAY.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TODAY THROUGH THURSDAY.

In the hours before

Local storm report, Jul 3, 5:24 PM CDT, 2 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
524 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0508 PM     HEAVY RAIN       13 W HUNT               30.07N 99.55W
07/03/2007  M1.83 INCH       KERR               TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM GBRA RAIN GAUGE AT HWY 83 AND
            LOVE RANCH.

&&

WR

Local storm report, Jul 3, 5:28 PM CDT, 2 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
528 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0508 PM     HEAVY RAIN       18 NE HARPER            30.48N 99.04W
07/03/2007  M0.00 INCH       GILLESPIE          TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE 4 MILES NORTH
            OF DOSS.

&&

WR

Local storm report, Jul 3, 5:30 PM CDT, 2 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
530 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0508 PM     HEAVY RAIN       18 NE HARPER            30.48N 99.04W
07/03/2007  M1.29 INCH       GILLESPIE          TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE 4 MILES NORTH
            OF DOSS.

&&

WR

Local storm report, Jul 3, 5:33 PM CDT, 2 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
533 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0508 PM     FLASH FLOOD      HONDO                   29.36N 99.16W
07/03/2007                   MEDINA             TX   EMERGENCY MNGR

            UP TO 3 FEET OF WATER COVERING SOME ROADWAYS.

&&

WR

Local storm report, Jul 3, 6:36 PM CDT, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
636 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0508 PM     HEAVY RAIN       14 ESE MARBLE FALLS     30.50N 98.05W
07/03/2007  M1.34 INCH       TRAVIS             TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE 14 MILES EAST
            SOUTHEAST OF MARBLE FALLS.

0508 PM     HEAVY RAIN       N JOHNSON CITY          30.27N 98.41W
07/03/2007  M1.50 INCH       BLANCO             TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE .5 MILE NORTH
            OF JOHNSON CITY.

&&

WR

Local storm report, Jul 3, 6:49 PM CDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
649 PM CDT TUE JUL 03 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0643 PM     HEAVY RAIN       N JOHNSON CITY          30.27N 98.41W
07/03/2007  M2.13 INCH       BLANCO             TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE .5 MILE NORTH
            OF JOHNSON CITY.

0643 PM     HEAVY RAIN       4 E JOHNSON CITY        30.27N 98.34W
07/03/2007  M1.37 INCH       BLANCO             TX   UTILITY COMPANY

            1 HOUR RAINFALL TOTAL FROM LCRA RAIN GAUGE 4 MILES EAST
            OF JOHNSON CITY AT MILLER CREEK.

&&

WR

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 7:50 PM CDT	Flash Flood Warning	EWX	Comal	3 hr
Jul 3, 7:50 PM CDT	Flash Flood Warning	EWX	Comal	3 hr
Jul 4, 6:56 AM CDT	Flash Flood Warning	EWX	Atascosa, DeWitt, Karnes, Lavaca	6 hr
Jul 4, 6:56 AM CDT	Flash Flood Warning	EWX	Atascosa, DeWitt, Frio, Karnes, Lavaca	6 hr
Jul 4, 7:57 AM CDT	Flash Flood Warning	EWX	Wilson	6 hr
Jul 4, 8:11 AM CDT	Flash Flood Warning	EWX	Gonzales	6 hr
Jul 4, 8:51 AM CDT	Flash Flood Warning	EWX	Guadalupe	6 hr
Jul 4, 9:58 AM CDT	Flash Flood Warning	EWX	Bexar	4 hr
Jul 4, 10:59 AM CDT	Flash Flood Warning	EWX	Comal, Hays	6 hr
Jul 4, 12:52 PM CDT	Flash Flood Warning	EWX	DeWitt, Karnes, Lavaca	6 hr
Jul 4, 12:56 PM CDT	Flash Flood Warning	EWX	Atascosa, Bexar, DeWitt, Frio, Karnes	2 hr
Jul 4, 1:33 PM CDT	Flash Flood Warning	EWX	Williamson	3 hr
Jul 4, 1:54 PM CDT	Flash Flood Warning	EWX	Bexar	66 min

Nearby

Flash Flood Warnings in Texas, 2007 Every 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.