Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 129, NWS Austin/San Antonio, TX

May 7, 2007Kinney County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at May 7, 2007, 6:06 PM CDT for Kinney County, Maverick 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
May 7, 2007, 6:06 PM CDT (23:06 UTC)
Expired
May 7, 2007, 9:00 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

Counties Kinney County, TX, Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 26 km from the middle of the area, began a volume at 23:09 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 12:00Z, 11.1 hours before the alert went out and 58 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-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2007-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3147 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2007-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
3147 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
532 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
1.7
Supercell composite
7.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 072309
FFWEWX
TXC271-323-080200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
606 PM CDT MON MAY 7 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...SPOFFORD...BRACKETTVILLE...
  MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...QUEMADO...EL INDIO...EAGLE PASS...

* UNTIL 900 PM CDT

* AT 606 PM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED STRONG THUNDERSTORMS MOVING INTO KINNEY AND MAVERICK
  COUNTIES. THESE STORMS WILL PRODUCE HEAVY RAINFALL WHICH WILL 
  QUICKLY CAUSE FLASH FLOODING. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALAMO
  VILLAGE

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT EVER DRIVE THROUGH 
FLOODED AREAS...ESPECIALLY AT NIGHT. STAY TUNED TO NOAA WEATHER 
RADIO OR LOCAL NEWS MEDIA FOR THE LATEST FLOOD INFORMATION.

LAT...LON 2925 10075 2937 10070 2962 10069 2963 10013
      2821 10012 2821 10022 2826 10029 2848 10038
      2850 10034 2854 10042 2859 10040 2866 10050
      2882 10055 2892 10065 2908 10066 2917 10078
      2924 10080

$$
2 follow-up statements
000 
WGUS74 KEWX 072348
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
645 PM CDT MON MAY 7 2007

TXC271-323-080200-
KINNEY TX-MAVERICK TX-
645 PM CDT MON MAY 7 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
MAVERICK AND KINNEY COUNTIES...

AT 642 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF THUNDERSTORMS PRODUCING HEAVY RAINFALL OVER 
SOUTHERN KINNEY AND NORTHERN MAVERICK COUNTIES. ADDITIONAL RAINFALL 
IS EXPECTED THIS EVENING AND TONIGHT. 

MOTORISTS ALONG HIGHWAY 277 IN THIS AREA SHOULD USE EXTRA CAUTION AS 
VISIBILITIES WILL SUDDENLY BE REDUCED FROM HEAVY DOWNPOURS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
SPOFFORD...QUEMADO...BRACKETTVILLE AND ALAMO VILLAGE.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2925 10075 2937 10070 2962 10069 2963 10013
      2821 10012 2821 10022 2826 10029 2848 10038
      2850 10034 2854 10042 2859 10040 2866 10050
      2882 10055 2892 10065 2908 10066 2917 10078
      2924 10080

$$
000 
WGUS74 KEWX 080147
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
845 PM CDT MON MAY 7 2007

TXC271-323-080200-
KINNEY TX-MAVERICK TX-
845 PM CDT MON MAY 7 2007

...THE FLASH FLOOD WARNING FOR MAVERICK AND KINNEY COUNTIES WILL BE 
ALLOWED TO EXPIRE AT 900 PM CDT...

AT 842 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS INDICATED 
THAT THE STRONGEST OF THE THUNDERSTORMS HAVE MOVED OUT OF MAVERICK 
AND KINNEY COUNTIES. LIGHT RAIN SHOWERS ARE EXPECTED THROUGH THE 
REST OF THIS EVENING AND TONIGHT...BUT ARE NOT EXPECTED TO ADD TO 
THE FLASH FLOODING CONCERNS WITHIN THE NEXT FEW HOURS. RESIDENTS OF 
WESTERN SOUTH CENTRAL TEXAS ARE ADVISED TO REMAIN ALERT TO THE 
ONGOING WEATHER SITUATION THIS EVENING AND TONIGHT.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
SPOFFORD...QUEMADO...BRACKETTVILLE AND ALAMO VILLAGE.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT TUESDAY MORNING
FOR SOUTH CENTRAL TEXAS.

LAT...LON 2925 10075 2937 10070 2962 10069 2963 10013
      2821 10012 2821 10022 2826 10029 2848 10038
      2850 10034 2854 10042 2859 10040 2866 10050
      2882 10055 2892 10065 2908 10066 2917 10078
      2924 10080

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 2:28 AM CDTSevere Thunderstorm WarningEWXVal Verde33 min
May 7, 5:51 AM CDTSevere Thunderstorm WarningEWXVal Verde27 min
May 7, 6:10 AM CDTFlash Flood WarningEWXVal Verde4 hr
May 7, 6:31 AM CDTSevere Thunderstorm WarningEWXVal Verde44 min
May 7, 7:12 AM CDTSevere Thunderstorm WarningEWXVal Verde33 min
May 7, 8:37 AM CDTFlash Flood WarningEWXEdwards, Kinney3 hr
May 7, 9:11 AM CDTSevere Thunderstorm WarningEWXKinney64 min
May 7, 10:17 AM CDTFlash Flood WarningEWXReal3 hr
May 7, 11:34 AM CDTFlash Flood WarningEWXEdwards86 min
May 7, 11:50 AM CDTFlash Flood WatchEWXBandera, Dimmit, Edwards, Frio, Gillespie, Kendall and 9 more13 hr
May 7, 12:46 PM CDTFlash Flood WarningEWXVal Verde4 hr
May 7, 5:42 PM CDTFlash Flood WarningEWXVal Verde4 hr
May 7, 6:11 PM CDTFlood WatchEWXDimmit, Maverick, Uvalde, Zavala4 hr

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.