Alert archive / Texas / Flash Flood Warnings in 2004

Flash Flood Warning 6, NWS Austin/San Antonio, TX

January 16, 20047 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jan 16, 2004, 5:59 PM CST for 7 counties in Texas. It was in force for 260 days. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 16, 2004, 5:59 PM CST (23:59 UTC)
Expired
Oct 2, 2004, 11:30 AM CDT
In force
260 days
Issued by
NWS Austin/San Antonio, TX
Area
Counties, with a storm outline in the text

Counties Burnet County, TX, DeWitt County, TX, Fayette County, TX, Gonzales County, TX, Lavaca County, TX, Llano County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 74 km from the middle of the area, began a volume at 00:02 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

Corpus Christi, TX (KCRP), launched 12:00Z, 12.0 hours before the alert went out and 180 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, Corpus Christi, TX at 12:00Z on 2004-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 228 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, Corpus Christi, TX at 12:00Z on 2004-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.19395878Sfc1 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
228 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
153 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 162359
FFWSAT
TXC053-299-170300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
559 PM CST FRI JAN 16 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  BURNET
  LLANO

* UNTIL 900 PM CST

* AT 559 PM...WEATHER SERVICE DOPPLER RADAR INDICATED NUMEROUS 
  THUNDERSTORMS...WITH VERY HEAVY RAIN...MOVING NORTH AT 30 MPH 
  ACROSS THE WARNED AREA.

DOPPLER RAINFALL ESTIMATES SUGGEST RAINFALL TOTALS OF 2 TO 3 INCHES 
SINCE THE RAINS BEGAN ON WEDNESDAY. THUS ANY ADDITIONAL RAIN THAT 
FALLS WILL OCCUR AS RUNOFF. RADAR TRENDS SUGGEST UP TO 2 INCHES OF 
ADDITIONAL RAINFALL POSSIBLE BY 730 PM. THIS WOULD LIKELY CREATE 
DANGEROUS FLASH FLOODING OVER ROUGH TERRAIN. TRAVEL IS DISCOURAGED 
THIS EVENING. 

IF YOU MUST VENTURE OUT...BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS 
HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH 
FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE 
FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER 
BEGINS RISING.


LAT...LON 3056 9893 3054 9832 3049 9814 3100 9789
          3102 9840 3092 9840 3091 9891

$$
1 follow-up statement
000 
WGUS54 KEWX 021330
FFWSAT
TXC123-149-177-285-493-021630-
/X.NEW.KEWX.FF.W.0006.041002T1328Z-041002T1630Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
828 AM CDT SAT OCT 2 2004

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
  FAYETTE
  GONZALES
  LAVACA
  WILSON
  DEWITT

* UNTIL 1130 AM CDT

* AT 825 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  VERY HEAVY RAIN FROM SHOWERS AND THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE WAELDER...SUBLIME...SCHULENBURG...
  ROUND TOP...PALMETO...MULDOON...MOULTON...LA GRANGE...GONZALES...
  FLATONIA...FAYETTEVILLE...ELLINGER AND CISTERN.

LOCALLY HEAVY RAINS OF 1 TO 3 INCHES ARE EXPECTED IN THE NEXT FEW
HOURS FROM SHOWERS AND THUNDERSTORMS.  THIS WILL CAUSE FLOODING
AT LOW WATER CROSSINGS AND IN LOW LYING AREAS.

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

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.

LAT...LON 2907 9693 2911 9699 2887 9730 2893 9741
      2882 9758 2900 9775 2912 9761 2923 9772
      2888 9819 2910 9841 2943 9814 2939 9813
      2937 9784 2964 9764 3004 9704 3014 9666
      3014 9666 2996 9658 2963 9687 2934 9658

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 3:40 PM CSTFlash Flood WarningEWXDeWitt, Gonzales, Kinney, Real, Uvalde255 days
Jan 16, 4:19 PM CSTFlash Flood WarningEWXBandera, Blanco, Gillespie, Hays, Kendall, Kerr and 2 more260 days
Jan 16, 4:26 PM CSTFlash Flood WarningEWXComal, Williamson260 days
Jan 16, 5:39 PM CSTFlash Flood WarningEWXBastrop, Caldwell, DeWitt, Fayette, Gonzales, Lavaca and 1 more260 days
Jan 16, 5:55 PM CSTFlash Flood WarningEWXBexar, Guadalupe, Hays, Travis260 days

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.