Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 178, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 2007, 3:26 PM CDT for Comal County, Hays County, Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 27, 2007, 3:26 PM CDT (20:26 UTC)
- Expired
- May 27, 2007, 6:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Comal County, TX, Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 28 km from the middle of the area, began a volume at 20:25 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 3:56 PM CDT | FLOOD | 18 Nw New Braunfels, TX | NEAR SATTLER, INTERSECTION OF FM 2673 AND FM 306, CARS BEING WASHED OFF THE ROAD |
| May 27, 3:56 PM CDT | FLOOD | San Marcos, TX | SEVERAL ROADS HAVE WATER OVER THEM |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 8.4 hours before the alert went out and 257 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
- 2018 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 535 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 272027
FFWEWX
TXC091-209-272330-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
326 PM CDT SUN MAY 27 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
COMAL COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF CANYON LAKE DAM...
HAYS COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITIES OF...WIMBERLEY...DRIPPING SPRINGS...
* UNTIL 630 PM CDT
* AT 318 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING
FROM STATIONARY THUNDERSTORMS OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WOODCREEK...SPRING BRANCH...KYLE...FISCHER AND DRIFTWOOD
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 3000 9780 2964 9823 2969 9838 2972 9835
2975 9836 2974 9838 2976 9841 2973 9844
2978 9858 2989 9848 3004 9830 3010 9827
3028 9811
$$5 follow-up statements
000
WGUS74 KEWX 272057
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
353 PM CDT SUN MAY 27 2007
TXC091-209-272330-
HAYS TX-COMAL TX-
353 PM CDT SUN MAY 27 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR COMAL
AND HAYS COUNTIES...
AT 348 PM CDT...STATIONARY THUNDERSTORMS PRODUCING FLASH FLOODING
WERE OVER THE WARNED AREA. RAINFALL RATES ARE APPROACHING TWO
INCHES AN HOUR. AREA CREEKS AND LOW AREAS WILL FLOOD. PERSONS
SHOULD VACATE RIVER ROAD ALONG THE GUADALUPE RIVER IN NEW BRAUNFELS.
RUNOFF FROM HEAVY RAIN WILL FLOOD CREEKS, STREAMS, STREET
INTERSECTIONS, CULVERTS AND UNDERPASSES. LOW LYING PLACES THAT
NORMALLY FLOOD COULD BECOME DEATH TRAPS. DO NOT CROSS ANY FLOODED
AREA. TURN AROUND DONT DROWN.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 3000 9780 2964 9823 2969 9838 2972 9835
2975 9836 2974 9838 2976 9841 2973 9844
2978 9858 2989 9848 3004 9830 3010 9827
3028 9811
$$000
WGUS74 KEWX 272130
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
426 PM CDT SUN MAY 27 2007
TXC091-209-272330-
HAYS TX-COMAL TX-
426 PM CDT SUN MAY 27 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR COMAL
AND HAYS COUNTIES...
...PERSONS FLOATING IN OR NEAR THE RIVERS IN COMAL AND HAYS COUNTIES
SHOULD OFF THE WATER AND GET TO HIGHER GROUND IMMEDIATELY...
AT 424 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A CLUSTER OF SLOW MOVING THUNDERSTORMS PRODUCING FLASH
FLOODING COMAL AND HAYS COUNTIES WITH RAINFALL RATES UP TO TWO
INCHES OR MORE PER HOUR. THIS IS MAKING THE RIVERS EXTREMELY
DANGEROUS DUE TO RAPIDLY RISING WATERS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WOODCREEK...WIMBERLEY...SPRING BRANCH...KYLE...FISCHER...DRIPPING
SPRINGS...DRIFTWOOD AND CANYON LAKE.
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.
LAT...LON 3000 9780 2964 9823 2969 9838 2972 9835
2975 9836 2974 9838 2976 9841 2973 9844
2978 9858 2989 9848 3004 9830 3010 9827
3028 9811
$$000
WGUS74 KEWX 272219
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
514 PM CDT SUN MAY 27 2007
TXC091-209-272330-
HAYS TX-COMAL TX-
514 PM CDT SUN MAY 27 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR COMAL
AND HAYS COUNTIES...
AT 506 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED
SHOWERS AND THUNDERSTORMS OVER COMAL AND HAYS COUNTIES WEAKENING AT
THIS TIME. HOWEVER RUN OFF FROM HEAVY RAINS OF 1 TO 3 INCHES IN THE
PAST FEW HOURS WILL CONTINUE AND THEREFORE RIVERS AND STREAMS WILL
REMAIN VERY DANGEROUS FOR RECREATIONAL INTERESTS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODCREEK...
WIMBERLEY...SPRING BRANCH...KYLE...FISCHER...DRIPPING SPRINGS...
DRIFTWOOD AND CANYON LAKE DAM
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
DO NOT DRIVE WHERE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES...INCLUDING SUVS AND PICKUPS. TURN
AROUND DONT DROWN.
LAT...LON 3000 9780 2964 9823 2969 9838 2972 9835
2975 9836 2974 9838 2976 9841 2973 9844
2978 9858 2989 9848 3004 9830 3010 9827
3028 9811
$$000
WGUS74 KEWX 272300
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
553 PM CDT SUN MAY 27 2007
TXC091-209-272330-
HAYS TX-COMAL TX-
553 PM CDT SUN MAY 27 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR COMAL
AND HAYS COUNTIES...
AT 548 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED
DISSIPATING SHOWERS AND THUNDERSTORMS OVER COMAL AND HAYS COUNTIES
AND THE WARNING WILL BE ALLOWED TO EXPIRE AT 630 PM. RUNOFF FROM
THE HEAVY RAINS EARLIER THIS AFTERNOON WILL CONTINUE AND CREEKS AND
STREAMS MAY BE RUNNING STRONGER THAN NORMAL...AND THEREFORE COULD
STILL BE DANGEROUS FOR RECREATIONAL ACTIVITIES.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODCREEK...
WIMBERLEY...SPRING BRANCH...KYLE...FISCHER...DRIPPING SPRINGS...
DRIFTWOOD AND CANYON LAKE DAM
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 3000 9780 2964 9823 2969 9838 2972 9835
2975 9836 2974 9838 2976 9841 2973 9844
2978 9858 2989 9848 3004 9830 3010 9827
3028 9811
$$000 WGUS74 KEWX 272340 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 639 PM CDT SUN MAY 27 2007 TXC091-209-272349- HAYS TX-COMAL TX- 639 PM CDT SUN MAY 27 2007 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR COMAL AND HAYS COUNTIES... THE FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE FOR COMAL AND HAYS COUNTIES AS THE THUNDERSTORMS AND HEAVY RAINS HAVE DISSIPATED. RUNOFF FROM THE HEAVY RAINS EARLIER THIS AFTERNOON WILL CONTINUE AND CREEKS AND STREAMS MAY BE RUNNING STRONGER THAN NORMAL...AND THEREFORE COULD STILL BE DANGEROUS FOR RECREATIONAL ACTIVITIES. A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT TONIGHT. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 8:00 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 30 min |
| May 27, 3:13 AM CDT | Flash Flood Warning | EWX | Bandera, Bexar, Medina | 3 hr |
| May 27, 3:23 AM CDT | Severe Thunderstorm Warning | EWX | Medina | 37 min |
| May 27, 5:40 AM CDT | Flash Flood Warning | EWX | Burnet | 3 hr |
| May 27, 7:48 AM CDT | Flash Flood Warning | EWX | Bastrop, Fayette, Lee | 3 hr |
| May 27, 8:52 AM CDT | Flash Flood Warning | EWX | Lavaca | 3 hr |
| May 27, 11:25 AM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 23 more | 13 hr |
| May 27, 2:06 PM CDT | Flash Flood Warning | EWX | Karnes | 3 hr |
| May 27, 2:32 PM CDT | Flash Flood Warning | EWX | Atascosa | 3 hr |
| May 27, 5:07 PM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| May 27, 6:40 PM CDT | Flash Flood Warning | EWX | Bandera, Gillespie, Kerr | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.