Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 435, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 28, 2007, 4:37 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 28, 2007, 4:37 PM CDT (21:37 UTC)
- Expired
- Jul 28, 2007, 7:30 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 21:38 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, 9.6 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.
- Mixed-layer CAPE
- 2076 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 282139
FFWEWX
TXC259-290030-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
437 PM CDT SAT JUL 28 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KENDALL COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 730 PM CDT
* AT 428 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING
FROM A NEARLY STATIONARY THUNDERSTORM OVER EASTERN KENDALL COUNTY.
RAINFALL RATES WERE ESTIMATED AT 2 INCHES AN HOUR BETWEEN SISTERDALE
AND KENDALIA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KENDALIA.
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.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 2978 9867 2993 9845 3001 9849 3011 9858
3012 9878
$$5 follow-up statements
000
WGUS74 KEWX 282157
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
456 PM CDT SAT JUL 28 2007
TXC259-290030-
KENDALL TX-
456 PM CDT SAT JUL 28 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
KENDALL COUNTY...
AT 448 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A NEARLY STATIONARY THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER
EASTERN KENDALL COUNTY. RAINFALL RATES WERE ESTIMATED AT 2 INCHS AN
HOUR BETWEEN BOERNE...SISTERDALE AND KENDALIA.
THIS THUNDERSTORM WITH EXCESSIVE RAIN WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF THE INDICATED COUNTY.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 2979 9867 2994 9845 3002 9849 3011 9858
3014 9868 2997 9870
$$000
WGUS74 KEWX 282215
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
511 PM CDT SAT JUL 28 2007
TXC259-290030-
KENDALL TX-
511 PM CDT SAT JUL 28 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
KENDALL COUNTY...
AT 503 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A NEARLY STATIONARY THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER
EASTERN KENDALL COUNTY. RAINFALL RATES WERE ESTIMATED AT 2 TO 3 INCHES
AN HOUR. MOTORISTS SHOULD BE AWARE OF POSSIBLE FLOODING OF LOW WATER
CROSSINGS ON FM 474...FM 473 AND FM 3351.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KENDALIA.
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.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 2979 9867 2994 9845 3002 9849 3011 9858
3014 9868 2997 9870
$$000
WGUS74 KEWX 282237
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
535 PM CDT SAT JUL 28 2007
TXC259-290030-
KENDALL TX-
535 PM CDT SAT JUL 28 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
KENDALL COUNTY...
AT 527 PM CDT...THE NEARLY STATIONARY THUNDERSTORM LOCATED OVER EASTERN
KENDALL COUNTY HAS WEAKENED. HOWEVER RUNOFF FROM EARLIER RAINS MAY STILL
CAUSE FLASH FLOODING. MOTORISTS SHOULD BE AWARE OF PONDING AND POSSIBLE
FLOODING OF LOW WATER CROSSINGS ON FM 474...FM 473 AND FM 3351.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KENDALIA.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE THROUGH FLOODED
AREAS...ESPECIALLY AT NIGHT. STAY TUNED TO NOAA WEATHER RADIO OR
LOCAL NEWS MEDIA FOR THE LATEST FLOOD INFORMATION.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 2979 9867 2994 9845 3002 9849 3011 9858
3014 9868 2997 9870
$$000
WGUS74 KEWX 282328
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
627 PM CDT SAT JUL 28 2007
TXC259-290030-
KENDALL TX-
627 PM CDT SAT JUL 28 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR
KENDALL COUNTY...
AT 621 PM CDT...THUNDERSTORMS HAVE ENDED ACROSS KENDALL COUNTY. HOWEVER
RUNOFF FOR EARLIER HEAVY RAINS MAY STILL RESULT IN FLASH FLOODING
ACROSS EASTERN KENDALL COUNTY.
LAT...LON 2979 9867 2994 9845 3002 9849 3011 9858
3014 9868 2997 9870
$$000
WGUS74 KEWX 290035
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
735 PM CDT SAT JUL 28 2007
TXC259-290045-
KENDALL TX-
735 PM CDT SAT JUL 28 2007
...THE FLASH FLOOD WARNING HAS EXPIRED FOR KENDALL COUNTY...
ONLY PATCHY LIGHT RAINS WERE NOTED ACROSS THE AREA. THE THREAT FOR
FLASH FLOODING HAS ENDED. AS A RESULT...HAVE ALLOWED THE FLASH FLOOD
WARNING TO EXPIRE.
LAT...LON 2979 9867 2994 9845 3002 9849 3011 9858
3014 9868 2997 9870
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 2:22 PM CDT | Flash Flood Warning | EWX | Edwards, Kinney | 4 hr |
| Jul 28, 4:26 PM CDT | Flash Flood Warning | EWX | Real, Uvalde | 3 hr |
| Jul 28, 4:36 PM CDT | Flash Flood Warning | EWX | Lavaca | 3 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.