Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 245, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 25, 2004, 8:19 PM CDT for Hays County, Texas. It was in force for 4 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
- Jul 25, 2004, 8:19 PM CDT (01:19 UTC)
- Expired
- Jul 26, 2004, 12:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 44 km from the middle of the area, began a volume at 01:21 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 00:00Z, 1.3 hours before the alert went out and 273 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
- 889 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1624 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KEWX 260118
FFWSAT
TXC209-260515-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
819 PM CDT SUN JUL 25 2004
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...
HAYS
* UNTIL 1215 AM CDT
* AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM NEAR WIMBERLEY...OR ABOUT OVER
WIMBERLEY...MOVING NORTHWEST AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE WOODCREEK...HENLY...DRIPPING
SPRINGS AND DRIFTWOOD.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
LAT...LON 2991 9808 3008 9829 3033 9817 3026 9806
3018 9802 3002 9791
$$4 follow-up statements
000
WGUS74 KEWX 260232
FFSSAT
TXC209-260515-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
931 PM CDT SUN JUL 25 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 AM CDT FOR HAYS
COUNTY...
AT 921 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS ACROSS HAYS COUNTY PRODUCING VERY HEAVY
RAIN. THE STORMS WERE MOVING NORTHWEST AT 5 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HENLY...DRIPPING SPRINGS AND DRIFTWOOD.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 2991 9808 3008 9829 3033 9817 3026 9806
3018 9802 3002 9791
$$000
WGUS74 KEWX 260404
FFSSAT
TXC209-260515-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1104 PM CDT SUN JUL 25 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 AM CDT FOR HAYS
COUNTY...
AT 1050 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
WEAKENING SHOWERS ACROSS HAYS COUNTY. MOST SHOWERS HAVE DISSIPATED
OR MOVED NORTH OUT OF THE COUNTY...AND AN ADDITIONAL TENTH TO A
QUARTER INCH OF RAIN IS EXPECTED. EARLIER HEAVY RAINS PRODUCE 2 TO
4 INCH TOTALS NORTHWEST OF WIMBERLEY.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WOODCREEK...WIMBERLEY...DRIPPING SPRINGS AND DRIFTWOOD.
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN AUSTIN
SAN ANTONIO.
LAT...LON 2991 9808 3008 9829 3033 9817 3026 9806
3018 9802 3002 9791
$$000
WGUS74 KEWX 260452
FFSSAT
TXC209-260515-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1150 PM CDT SUN JUL 25 2004
...A FLASH FLOOD WARNING CONTINUES UNTIL 1215 AM CDT FOR HAYS
COUNTY...
AT 1141 PM CDT...A FEW LIGHT SHOWERS REMAIN OVER HAYS COUNTY.
NO ADDITIONAL HEAVY RAINS ARE EXPECTED TO DEVELOP. SOME LOW LYING
AREAS AND LOW WATER CROSSING MAY REMAIN IN FLOOD FOR THE NEXT COUPLE
OF HOURS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN AUSTIN
SAN ANTONIO.
LAT...LON 2991 9808 3008 9829 3033 9817 3026 9806
3018 9802 3002 9791
$$000 WGUS74 KEWX 260533 FFSSAT TXC187-209-260545- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1229 AM CDT MON JUL 26 2004 ...FLASH FLOOD WARNINGS FOR HAYS AND GUADALUPE COUNTIES EXPIRED AT 1215 AM CDT... THE FLASH FLOOD WARNINGS FOR HAYS AND GUADALUPE COUNTIES HAVE EXPIRED. THE THREAT OF HEAVY RAINFALL HAS ENDED FOR TONIGHT. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:25 PM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Jul 25, 7:27 PM CDT | Flash Flood Warning | EWX | Comal, Guadalupe | 3 hr |
| Jul 25, 9:13 PM CDT | Flash Flood Warning | EWX | Guadalupe | 3 hr |
| Jul 25, 9:37 PM CDT | Flash Flood Warning | EWX | Edwards | 4 hr |
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.