Alert archive / Texas / Flash Flood Warnings in 2007

Flash Flood Warning 87, NWS Austin/San Antonio, TX

April 30, 2007Kinney County, Real County, Uvalde County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Apr 30, 2007, 7:12 AM CDT for Kinney County, Real County, Uvalde 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: Apr 30, 2007, 7:12 AM CDT (12:12 UTC)
Expired: Apr 30, 2007, 10:15 AM CDT
In force: 3 hr
Issued by: NWS Austin/San Antonio, TX
Area: Whole counties

Counties Kinney County, TX, Real County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 38 km from the middle of the area, began a volume at 12:13 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, 0.2 hours before the alert went out and 83 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: 177 J/kg
Mixed-layer CIN: -195 J/kg
Mixed-layer LCL: 614 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 449 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KEWX 301214
FFWEWX
TXC271-385-463-301515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
712 AM CDT MON APR 30 2007

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS...
  REAL COUNTY IN SOUTH CENTRAL TEXAS...
  UVALDE COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 1015 AM CDT

* AT 706 AM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
  RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING FROM
  THUNDERSTORMS OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UTOPIA...
  RIO FRIO...CAMP WOOD AND BARKSDALE

DO NOT DRIVE WHERE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES...INCLUDING SUVS AND PICKUPS. TURN
AROUND DONT DROWN.

REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3008 9969 2993 9969 2992 9963 2964 9963
      2962 9942 2920 9942 2925 10046 2925 10046
      2963 10045 2962 10002 2972 10004 2981 10001
      2985 10003 3009 9997

$$

2 follow-up statements

000 
WGUS74 KEWX 301348
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
844 AM CDT MON APR 30 2007

TXC137-271-385-463-301515-
EDWARDS TX-REAL TX-UVALDE TX-KINNEY TX-
844 AM CDT MON APR 30 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR
KINNEY...UVALDE...REAL AND EDWARDS COUNTIES...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
LEAKEY...ROCKSPRINGS...AND UVALDE.

THE STRONGEST OF THE THUNDERSTORMS OVER KINNEY...UVALDE...AND REAL 
COUNTIES HAVE MOVED TO THE EAST. HOWEVER...SHOWERS AND THUNDERSTORMS 
ARE EXPECTED TO CONTINUE THROUGH THIS MORNING ACROSS MUCH OF SOUTH 
CENTRAL TEXAS AND THE HILL COUNTRY. DUE TO HEAVY RAINFALL FROM 
PREVIOUS STORMS...ANY ADDITIONAL RAINFALL WILL BE QUICK TO RUN OFF 
AND WILL EASILY CAUSE FLASH FLOODING PROBLEMS. IT IS ADVISED THAT 
YOU REMAIN ALERT TO THE ONGOING WEATHER SITUATION.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE THROUGH FLOODED 
AREAS. TURN AROUND...DONT DROWN. STAY TUNED TO NOAA WEATHER RADIO 
OR LOCAL NEWS MEDIA FOR THE LATEST FLOOD INFORMATION.

LAT...LON 3008 9969 2993 9969 2992 9963 2964 9963
      2962 9942 2920 9942 2925 10046 2925 10046
      2963 10045 2962 10002 2972 10004 2981 10001
      2985 10003 3009 9997

$$

000 
WGUS74 KEWX 301508
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1002 AM CDT MON APR 30 2007

TXC271-385-463-301515-
REAL TX-UVALDE TX-KINNEY TX-
1002 AM CDT MON APR 30 2007

...THE FLASH FLOOD WARNING FOR KINNEY...UVALDE AND REAL 
COUNTIES...WILL BE ALLOWED TO EXPIRE AT 1015 AM CDT...

THE STRONGEST OF THE THUNDERSTORMS OVER THE WESTERN HILL COUNTRY AND 
ACROSS THE RIO GRANDE PLAINS HAVE MOVED TO THE EAST. SCATTERED 
SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THIS MORNING AND 
EARLY AFTERNOON. THIS ADDITIONAL RAINFALL WILL BE LIGHT AND IS NOT 
EXPECTED TO LEAD TO FLASH FLOODING IN THE NEXT FEW HOURS. 
HOWEVER...THERE IS AN ONGOING THREAT FOR FLASH FLOODING THROUGHOUT 
THE DAY. RESIDENTS ACROSS SOUTH CENTRAL TEXAS ARE ADVISED TO REMAIN 
ALERT TO THE ONGOING WEATHER SCENARIO.

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

LAT...LON 3008 9969 2993 9969 2992 9963 2964 9963
      2962 9942 2920 9942 2925 10046 2925 10046
      2963 10045 2962 10002 2972 10004 2981 10001
      2985 10003

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 10:02 PM CDT	Tornado Warning	EWX	Maverick	58 min
Apr 29, 10:42 PM CDT	Tornado Warning	EWX	Maverick	33 min
Apr 29, 11:14 PM CDT	Severe Thunderstorm Warning	EWX	Maverick	21 min
Apr 29, 11:43 PM CDT	Flash Flood Warning	EWX	Val Verde	4 hr
Apr 30, 1:55 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	65 min
Apr 30, 2:11 AM CDT	Severe Thunderstorm Warning	EWX	Edwards	64 min
Apr 30, 2:40 AM CDT	Flash Flood Warning	EWX	Edwards	4 hr
Apr 30, 2:59 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	61 min
Apr 30, 3:40 AM CDT	Flash Flood Warning	EWX	Val Verde	4 hr
Apr 30, 4:16 AM CDT	Flash Flood Warning	EWX	Kinney	3 hr
Apr 30, 6:44 AM CDT	Flash Flood Warning	EWX	Edwards	4 hr
Apr 30, 7:43 AM CDT	Flash Flood Warning	EWX	Val Verde	2 hr
Apr 30, 8:19 AM CDT	Flash Flood Warning	EWX	Bandera	3 hr
Apr 30, 8:59 AM CDT	Flash Flood Warning	EWX	Medina	2 hr
Apr 30, 9:34 AM CDT	Flash Flood Warning	EWX	Kerr	56 min
Apr 30, 9:45 AM CDT	Flash Flood Warning	EWX	Bexar, Kendall	2 hr
Apr 30, 10:27 AM CDT	Flash Flood Warning	EWX	Comal	2 hr
Apr 30, 11:10 AM CDT	Severe Thunderstorm Warning	EWX	Bexar	50 min
Apr 30, 11:24 AM CDT	Severe Thunderstorm Warning	EWX	Guadalupe	66 min
Apr 30, 11:31 AM CDT	Flash Flood Warning	EWX	Guadalupe	3 hr
Apr 30, 11:36 AM CDT	Flash Flood Warning	EWX	Bexar, Kendall	99 min
Apr 30, 11:44 AM CDT	Severe Thunderstorm Warning	EWX	Wilson	61 min
Apr 30, 12:23 PM CDT	Severe Thunderstorm Warning	EWX	Guadalupe	37 min
Apr 30, 12:27 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales	63 min
Apr 30, 12:31 PM CDT	Flash Flood Warning	EWX	Gonzales	119 min
Apr 30, 12:42 PM CDT	Severe Thunderstorm Warning	EWX	Caldwell	63 min
Apr 30, 12:45 PM CDT	Flash Flood Warning	EWX	Wilson	2 hr
Apr 30, 12:48 PM CDT	Flash Flood Warning	EWX	Caldwell	117 min
Apr 30, 1:14 PM CDT	Flash Flood Warning	EWX	Fayette, Lavaca	30 days
Apr 30, 1:14 PM CDT	Flash Flood Warning	EWX	Fayette, Lavaca	2 hr
Apr 30, 1:20 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales	25 min
Apr 30, 1:23 PM CDT	Flash Flood Warning	EWX	Bandera	67 min
Apr 30, 1:24 PM CDT	Severe Thunderstorm Warning	EWX	Lavaca	66 min
Apr 30, 1:26 PM CDT	Severe Thunderstorm Warning	EWX	Fayette	79 min
Apr 30, 1:32 PM CDT	Flash Flood Warning	EWX	Karnes	118 min
Apr 30, 1:36 PM CDT	Flash Flood Warning	EWX	Kerr	114 min
Apr 30, 1:45 PM CDT	Flash Flood Warning	EWX	Atascosa	2 hr
Apr 30, 1:55 PM CDT	Severe Thunderstorm Warning	EWX	Atascosa	18 min
Apr 30, 2:06 PM CDT	Severe Thunderstorm Warning	EWX	Karnes	54 min
Apr 30, 2:07 PM CDT	Flash Flood Warning	EWX	Kendall	53 min
Apr 30, 2:22 PM CDT	Flash Flood Warning	EWX	Gonzales	113 min
Apr 30, 2:28 PM CDT	Flash Flood Warning	EWX	Wilson	77 min
Apr 30, 2:38 PM CDT	Severe Thunderstorm Warning	EWX	Kendall	67 min
Apr 30, 2:43 PM CDT	Flash Flood Warning	EWX	Kendall	62 min
Apr 30, 2:55 PM CDT	Flash Flood Warning	EWX	DeWitt	2 hr
Apr 30, 3:00 PM CDT	Flash Flood Warning	EWX	Fayette, Lavaca	2 hr
Apr 30, 3:12 PM CDT	Flash Flood Warning	EWX	Karnes	2 hr
Apr 30, 3:19 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales	56 min
Apr 30, 3:37 PM CDT	Flash Flood Warning	EWX	Wilson	113 min
Apr 30, 4:59 PM CDT	Flash Flood Warning	EWX	DeWitt, Lavaca	3 hr
Apr 30, 5:31 PM CDT	Flash Flood Warning	EWX	Karnes	2 hr
Apr 30, 6:30 PM CDT	Severe Thunderstorm Warning	EWX	DeWitt	45 min
Apr 30, 6:58 PM CDT	Severe Thunderstorm Warning	EWX	Lavaca	47 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.