Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 355, NWS Austin/San Antonio, TX

November 16, 20045 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Nov 16, 2004, 5:08 PM CST for 5 counties in Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 16, 2004, 5:08 PM CST (23:08 UTC)
Expired
Nov 16, 2004, 11:15 PM CST
In force
6 hr
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Atascosa County, TX, Bandera County, TX, Bexar County, TX, Frio County, TX, Medina County, TX

The radar

The Austin/San Antonio radar (KEWX), 97 km from the middle of the area, began a volume at 23:10 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 202 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 2004-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2004-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
566 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
311 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 162311
FFWEWX
TXC013-019-029-163-325-170515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
508 PM CST TUE NOV 16 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BANDERA
  BEXAR
  MEDINA
  ATASCOSA
  FRIO

* UNTIL 1115 PM CST

* AT 502 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE YANCEY...WINDCREST...UNIVERSAL 
  CITY...TIMBERWOOD PARK...THE DOMINION...TERRELL HILLS...ST.
  HEDWIG...SAN ANTONIO...LACOSTE...LACKLAND AFB...KIRBY...           
  JOURDANTON...HONDO...DHANIS...DEVINE...CROSS
  MOUNTAIN...CHRISTINE...CHINA GROVE...CHARLOTTE...CASTROVILLE...
  BIG FOOT AND ALAMO HEIGHTS.

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY 
DRAINED AREAS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.

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

LAT...LON 2868 9937 2871 9830 2915 9843 2942 9820
      2972 9843 2955 9935

$$
3 follow-up statements
000
WGUS74 KEWX 170106
FFSEWX
TXC013-019-029-163-325-170515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
701 PM CST TUE NOV 16 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CST FOR FRIO...
ATASCOSA...MEDINA...BEXAR AND BANDERA COUNTIES...

AT 657 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG THE BEXAR 
MEDINA COUNTY LINE AND THE ATASCOSA FRIO COUNTY LINE AND THE EASTERN 
HALF OF BANDERA COUNTY.  DOPPLER RADAR RAINFALL ESTIMATES OVER THE 
PAST THREE HOURS HAVE BEEN RUNNING FROM 1.25 TO 2.5 INCHES OVER THE 
MENTIONED AREAS.  AN ADDITIONAL 2 TO 3 INCHES OF RAIN ARE POSSIBLE 
OVER THE NEXT COUPLE OF HOURS.

LOCATIONS IN THE WARNING INCLUDE SAN ANTONIO...RIO 
MEDINA...MICO...LYTLE...LAKEHILLS...LACOSTE...HILL COUNTRY 
VILLAGE...HELOTES...DHANIS...CROSS MOUNTAIN...CHINA GROVE AND 
CASTROVILLE.

HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...
COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.

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

LAT...LON 2868 9937 2871 9830 2915 9843 2942 9820
      2972 9843 2955 9935

$$
000
WGUS74 KEWX 170212
FFSEWX
TXC013-019-029-163-325-170515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
807 PM CST TUE NOV 16 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CST FOR FRIO...
ATASCOSA...MEDINA...BEXAR AND BANDERA COUNTIES...

AT 802 PM CST...THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE MOVING 
EAST ACROSS BULVERDE, ST. HEDWIG AND CHRISTINE.  LIGHT TO MODERATE 
RAINS REMAIN OVER THE MEDINA AND FRIO COUNTIES AND THE REST OF 
ATASCOSA AND BEXAR COUNTIES.  NATIONAL WEATHER SERVICE DOPPLER 
RADARS ARE INDICATING AS MUCH AS 3 TO 4 INCHES OF RAIN HAS FALLEN IN 
AN AREA BOUNDED BY PIPE CREEK, HELOTES, SOMERSET, CHARLOTTE, BIG 
FOOT, DEVINE AND LAKE HILLS. LOW WATER CROSSING IN THIS AREA MAY BE 
IMPASSABLE AND TRAVEL IN THIS AREA IS DISCOURAGED TONIGHT.

LOCATIONS IN THE WARNING INCLUDE WINDCREST...UNIVERSAL CITY...
TIMBERWOOD PARK...THE DOMINION...TERRELL HILLS...ST. HEDWIG...
SOMERSET...SHAVANO PARK...SELMA...SEA WORLD...SAN ANTONIO...RIO
MEDINA...OLMOS PARK...MICO...LYTLE...LIVE OAK...LEON VALLEY...LEON
SPRINGS...LAKEHILLS...LACOSTE...LACKLAND AFB...KIRBY...HONDO...
HOLLYWOOD PARK...HILL COUNTRY VILLAGE...HELOTES...DHANIS...CROSS
MOUNTAIN...CHINA GROVE...CASTROVILLE AND ALAMO HEIGHTS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND. DO NOT STAY IN FLOOD PRONE AREAS.

FLASH FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED AREAS. A LITTLE
OVER A FOOT OF WATER CAN CARRY AWAY MOST CARS AND TRUCKS. TURN AROUND
- DONT DROWN.

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

LAT...LON 2868 9937 2871 9830 2915 9843 2942 9820
      2972 9843 2955 9935

$$
000
WGUS74 KEWX 170425
FFSEWX
TXC013-019-029-163-325-170515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1025 PM CST TUE NOV 16 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CST FOR FRIO...
ATASCOSA...MEDINA...BEXAR AND BANDERA COUNTIES...

AT 1022 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING HEAVY RAINS OVER ATASCOSA  
COUNTY...MOVING NORTH AT 20 MPH.  SOME ROADS IN SAN ANTONIO ARE 
CLOSED DUE TO FLOODED LOW WATER CROSSINGS.  AN ADDITIONAL ONE INCH 
OF RAIN IS POSSIBLE IN THE NEXT HOUR.

LOCATIONS IN THE WARNING INCLUDE WINDCREST...ST. HEDWIG...RIO 
MEDINA...LYTLE...HONDO...HELOTES AND DHANIS.

HEAVY RAINFALL WILL CAUSE FLASH FLOODING OVER SMALL CREEKS AND
STREAMS...URBAN AREAS...HIGHWAYS...STREETS...UNDERPASSES AND POORLY
DRAINED AREAS.

HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...
COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

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

LAT...LON 2868 9937 2871 9830 2915 9843 2942 9820
      2972 9843 2955 9935

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 16, 7:28 AM CSTFlash Flood WarningEWXVal Verde4 hr
Nov 16, 12:15 PM CSTFlash Flood WarningEWXReal, Uvalde2 hr
Nov 16, 1:37 PM CSTFlash Flood WarningEWXBandera, Kerr113 min
Nov 16, 3:34 PM CSTFlash Flood WarningEWXBandera, Edwards, Kerr, Kinney, Real, Uvalde and 1 more6 hr
Nov 16, 5:56 PM CSTTornado WarningEWXBurnet34 min

Nearby

Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004

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.