Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 34, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 18, 2014, 1:59 AM CDT for Travis County, Williamson County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 18, 2014, 1:59 AM CDT (06:59 UTC)
- Expired
- Jul 18, 2014, 4:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Travis County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 42 km from the middle of the area, began a volume at 07:01 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 |
|---|---|---|---|
| Jul 18, 3:19 AM CDT | FLASH FLOOD | Austin, TX | AUSTIN PD AND FD RESPONDING TO VEHICLE STUCK IN HIGH WATER AT MELLOW MEADOW DR AND LAKE CREEK PKWY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 7.0 hours before the alert went out and 265 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
- 21 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 543 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
143
WGUS54 KEWX 180659
FFWEWX
TXC453-491-180945-
/O.NEW.KEWX.FF.W.0034.140718T0659Z-140718T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
159 AM CDT FRI JUL 18 2014
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITIES OF...AUSTIN...PFLUGERVILLE...
SOUTHWESTERN WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITIES OF...SERENADA...ROUND ROCK...GEORGETOWN...
CEDAR PARK...ANDERSON MILL...
* UNTIL 445 AM CDT
* AT 145 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE
TO DETECT SHOWERS AND THUNDERSTORMS PRODUCING MODERATE TO HEAVY
RAINFALL OVER EASTERN TRAVIS AND SOUTHWESTERN WILLIAMSON COUNTIES.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL ONLY AGGRAVATE
THE ONGOING FLOODING DUE TO EARLIER VERY HEAVY RAINFALL.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AUSTIN...
EAST AUSTIN...PFLUGERVILLE...SUN CITY...CEDAR PARK...
LIBERTY HILL...LEANDER AND GEORGETOWN DAM
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN
THE WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
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.
&&
LAT...LON 3019 9756 3028 9785 3043 9787 3059 9806
3079 9794 3070 9761 3054 9767 3052 9757
3048 9743
$$2 follow-up statements
533
WGUS74 KEWX 180835
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
335 AM CDT FRI JUL 18 2014
TXC453-491-180945-
/O.CON.KEWX.FF.W.0034.000000T0000Z-140718T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-WILLIAMSON TX-
335 AM CDT FRI JUL 18 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM CDT FOR
SOUTHWESTERN WILLIAMSON AND EASTERN TRAVIS COUNTIES...
AT 319 AM CDT...AUSTIN POLICE AND AUSTIN FIRE DEPARTMENT WERE
RESPONDING TO A VEHICLE STALLED IN HIGH WATER AT MELLOW MEADOW
DRIVE AND LAKE CREEK PARKWAY IN NORTHWEST AUSTIN.
AT 321 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT
THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUN CITY...
LIBERTY HILL...SERENADA...ROUND ROCK...LEANDER...GEORGETOWN DAM...
GEORGETOWN AND CEDAR PARK
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3019 9756 3028 9785 3043 9787 3059 9806
3079 9794 3070 9761 3054 9767 3052 9757
3048 9743
$$181
WGUS74 KEWX 180945
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
445 AM CDT FRI JUL 18 2014
TXC453-491-180952-
/O.EXP.KEWX.FF.W.0034.000000T0000Z-140718T0945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-WILLIAMSON TX-
445 AM CDT FRI JUL 18 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 445 AM CDT FOR SOUTHWESTERN
WILLIAMSON AND EASTERN TRAVIS COUNTIES...
SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL...THAT RESULTED IN
EARLIER FLASH FLOODING...HAVE ENDED ACROSS THE WARNED AREA. SEVERAL
ROADS THAT WERE PREVIOUSLY FLOODED HAVE BEEN RE-OPENED.
HOWEVER...MOTORISTS ARE URGED TO DRIVE WITH EXTREME CAUTION EARLY
THIS MORNING...WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF
FLOODING AT NIGHT.
LAT...LON 3019 9756 3028 9785 3043 9787 3059 9806
3079 9794 3070 9761 3054 9767 3052 9757
3048 9743
$$
JRThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:55 PM CDT | Special Weather Statement | EWX | Edwards | 50 min |
| Jul 17, 8:37 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 53 min |
| Jul 17, 8:48 PM CDT | Areal Flood Advisory | EWX | Edwards | 102 min |
| Jul 17, 9:07 PM CDT | Special Weather Statement | EWX | Lee | 38 min |
| Jul 17, 9:25 PM CDT | Areal Flood Advisory | EWX | Lee | 2 hr |
| Jul 17, 9:35 PM CDT | Special Weather Statement | EWX | Edwards, Val Verde | 40 min |
| Jul 17, 10:22 PM CDT | Areal Flood Advisory | EWX | Val Verde | 2 hr |
| Jul 17, 10:22 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 2 hr |
| Jul 17, 10:59 PM CDT | Areal Flood Advisory | EWX | Bastrop | 2 hr |
| Jul 17, 11:01 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jul 17, 11:16 PM CDT | Areal Flood Advisory | EWX | Bexar | 104 min |
| Jul 17, 11:38 PM CDT | Areal Flood Advisory | EWX | Comal | 112 min |
| Jul 18, 12:21 AM CDT | Areal Flood Advisory | EWX | Kendall, Kerr | 99 min |
| Jul 18, 12:32 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 18, 12:45 AM CDT | Areal Flood Advisory | EWX | Williamson | 105 min |
| Jul 18, 1:18 AM CDT | Flash Flood Warning | EWX | Williamson | 3 hr |
| Jul 18, 1:23 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 18, 2:11 AM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Jul 18, 2:35 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 18, 2:53 AM CDT | Areal Flood Advisory | EWX | Bastrop, Lee | 2 hr |
| Jul 18, 3:19 AM CDT | Areal Flood Advisory | EWX | Atascosa, Frio | 2 hr |
| Jul 18, 4:16 AM CDT | Flash Flood Warning | EWX | Uvalde | 3 hr |
| Jul 18, 4:21 AM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Jul 18, 4:49 AM CDT | Areal Flood Advisory | EWX | Atascosa | 2 hr |
| Jul 18, 6:35 AM CDT | Areal Flood Advisory | EWX | Dimmit | 115 min |
| Jul 18, 7:49 AM CDT | River Flood Warning | EWX | Williamson | 20 hr |
Nearby
Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014
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.