Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 52, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 18, 2014, 1:23 AM CDT for 4 counties in Texas. It was in force for 4 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
- Sep 18, 2014, 1:23 AM CDT (06:23 UTC)
- Expired
- Sep 18, 2014, 5:15 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blanco County, TX, Burnet County, TX, Hays County, TX, Travis County, TX
The radar
The Ft Hood radar (KGRK), 69 km from the middle of the area, began a volume at 06:23 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 |
|---|---|---|---|
| Sep 18, 2:44 AM CDT | FLASH FLOOD | Austin, TX | ATXFLOODS REPORTS MULTIPLE ROADS CLOSED DUE TO FLOODING ACROSS THE CITY OF AUSTIN. RAINFALL TOTALS OVER 4-5 INCHES HAVE BEEN REPORTED. |
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, 6.4 hours before the alert went out and 277 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
- 1378 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1378 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
968
WGUS54 KEWX 180623
FFWEWX
TXC031-053-209-453-181015-
/O.NEW.KEWX.FF.W.0052.140918T0623Z-140918T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
123 AM CDT THU SEP 18 2014
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN BLANCO COUNTY IN SOUTH CENTRAL TEXAS...
SOUTH CENTRAL BURNET COUNTY IN SOUTH CENTRAL TEXAS...
NORTHWESTERN HAYS COUNTY IN SOUTH CENTRAL TEXAS...
CENTRAL TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 515 AM CDT
* AT 122 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT DOPPLER RADAR ESTIMATES ARE SUFFICIENT TO PRODUCE
FLASH FLOODING FROM SLOW MOVING THUNDERSTORMS OVER THE SOUTHERN
AND WESTERN PORTIONS OF THE AUSTIN METRO AREA. HEAVY RAINFALL RATES
OF 4 TO 6 INCHES PER HOUR AT TIMES HAVE RESULTED IN A FEW AREAS
AROUND AUSTIN RECEIVING AROUND 3 INCHES OF RAIN IN JUST ONE HOUR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SMITHWICK...PEDERNALES FALLS STATE PARK...CYPRESS MILL...WEST LAKE
HILLS...ROLLINGWOOD...MANSFIELD DAM...LAKEWAY...BEE CAVE AND
SPICEWOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 3059 9811 3050 9808 3040 9812 3033 9780
3042 9756 3015 9769 3023 9823 3052 9833
$$3 follow-up statements
918
WGUS74 KEWX 180700
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
200 AM CDT THU SEP 18 2014
TXC031-053-209-453-181015-
/O.CON.KEWX.FF.W.0052.000000T0000Z-140918T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-TRAVIS TX-BURNET TX-BLANCO TX-
200 AM CDT THU SEP 18 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHEASTERN BLANCO...SOUTH CENTRAL BURNET...CENTRAL TRAVIS AND
NORTHWESTERN HAYS COUNTIES...
AT 159 AM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT SLOW MOVING
THUNDERSTORMS PRODUCING VERY HEAVY RAINS AND FLASH FLOODING OVER THE
WARNED AREA. AT 147 PM...BULL CREEK REPORTED A STAGE OF 6.03 FEET.
THE CREEK IS LIKELY TO CONTINUE RISING TO NEAR 10 FEET BEFORE
SUBSIDING. NUMEROUS HEAVY RAINFALL AMOUNTS OF 3 TO 4 INCHES IN AN
HOURS TIME HAVE BEEN REPORTED FROM THE SOUTHERN PART OF LAKE TRAVIS
TO THE WESTERN PART OF AUSTIN NEAR BULL CREEK. THE HEAVY RAINFALL
RATES WILL CONTINUE TO SHIFT SOUTH INTO SOUTH AUSTIN TOWARD
PEDERNALES FALLS STATE PARK AND TANGLEWOOD FOREST THROUGH 3 AM CDT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SMITHWICK...
CYPRESS MILL AND SPICEWOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3059 9811 3050 9808 3040 9812 3033 9780
3042 9756 3015 9769 3023 9823 3052 9833
$$788
WGUS74 KEWX 180703
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
203 AM CDT THU SEP 18 2014
TXC031-053-209-453-181015-
/O.CON.KEWX.FF.W.0052.000000T0000Z-140918T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-TRAVIS TX-BURNET TX-BLANCO TX-
203 AM CDT THU SEP 18 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHEASTERN BLANCO...SOUTH CENTRAL BURNET...CENTRAL TRAVIS AND
NORTHWESTERN HAYS COUNTIES...
AT 159 AM CDT...A THUNDERSTORM PRODUCING VERY HEAVY RAIN WAS REPORTED
OVER THE WARNED AREA. NWS METEOROLOGISTS CONTINUED TO DETECT SLOW
MOVING THUNDERSTORMS PRODUCING VERY HEAVY RAINS AND FLASH FLOODING
OVER THE WARNED AREA. AT 147 AM CDT...BULL CREEK REPORTED A STAGE OF
6.03 FEET. THE CREEK IS LIKELY TO CONTINUE RISING TO NEAR 10 FEET
BEFORE SUBSIDING. NUMEROUS HEAVY RAINFALL AMOUNTS OF 3 TO 4 INCHES
IN AN HOURS TIME HAVE BEEN REPORTED FROM THE SOUTHERN PART OF LAKE
TRAVIS TO THE WESTERN PART OF AUSTIN NEAR BULL CREEK. THE HEAVY
RAINFALL RATES WILL CONTINUE TO SHIFT SOUTH INTO SOUTH AUSTIN TOWARD
PEDERNALES FALLS STATE PARK AND TANGLEWOOD FOREST THROUGH 3 AM CDT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SMITHWICK...CYPRESS MILL AND SPICEWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 3059 9811 3050 9808 3040 9812 3033 9780
3042 9756 3015 9769 3023 9823 3052 9833
$$419
WGUS74 KEWX 180922
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
422 AM CDT THU SEP 18 2014
TXC031-053-209-453-181015-
/O.CON.KEWX.FF.W.0052.000000T0000Z-140918T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-TRAVIS TX-BURNET TX-BLANCO TX-
422 AM CDT THU SEP 18 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT FOR
NORTHEASTERN BLANCO...SOUTH CENTRAL BURNET...CENTRAL TRAVIS AND
NORTHWESTERN HAYS COUNTIES...
AT 408 AM CDT...SEVERAL ROADS AND LOW WATER CROSSINGS REMAIN FLOODED
ACROSS THE WARNED AREA. AREAS ESPECIALLY IN SOUTHERN TRAVIS COUNTY
HAVE SEEN 5 TO 6 INCHES OF RAIN...MUCH OF WHICH FELL IN 1 HOURS
TIME. THIS CREATED MASSIVE RUNOFF AND HAS LEAD TO FLASH FLOODING.
SEVERAL SWIFT WATER RESCUES HAVE BEEN COMPLETED AND SOME ARE STILL
ONGOING ACROSS THE SOUTHERN HALF OF TRAVIS COUNTY. AREAS NEAR LAKE
TRAVIS...LAKE AUSTIN...AND BEE CAVE SAW THE HIGHEST RAIN TOTALS.
SOME CREEKS IN AUSTIN ARE RUNNING VERY HIGH AND HAVE OVERTOPPED
THEIR BANKS.
HEAVY RAINFALL HAS PUSHED SOUTH OF THE WARNED AREA...SO NO
ADDITIONAL HEAVY RAIN IS EXPECTED OVER THE NEXT FEW HOURS. THIS
SHOULD ALLOW THE WATER TO RECEDE. SOME ROADS WILL CONTINUE TO BE
FLOODED THROUGH THE EARLY MORNING HOURS HOWEVER. MOTORISTS SHOULD CONSIDER
DELAYING THEIR MORNING COMMUTE UNTIL ROADS ARE SAFE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3059 9811 3050 9808 3040 9812 3033 9780
3042 9756 3015 9769 3023 9823 3052 9833
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 7:11 PM CDT | Special Weather Statement | EWX | Fayette | 94 min |
| Sep 17, 7:15 PM CDT | Areal Flood Advisory | EWX | Fayette | 105 min |
| Sep 17, 8:01 PM CDT | Flash Flood Warning | EWX | Fayette, Gonzales | 119 min |
| Sep 17, 9:37 PM CDT | Areal Flood Advisory | EWX | Bastrop, Fayette, Lee | 113 min |
| Sep 17, 10:41 PM CDT | Special Weather Statement | EWX | Williamson | 49 min |
| Sep 17, 10:52 PM CDT | Areal Flood Advisory | EWX | Burnet, Williamson | 2 hr |
| Sep 17, 11:35 PM CDT | Special Weather Statement | EWX | Williamson | 40 min |
| Sep 17, 11:42 PM CDT | Areal Flood Advisory | EWX | Burnet, Travis, Williamson | 3 hr |
| Sep 17, 11:52 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 4 hr |
| Sep 18, 12:16 AM CDT | Special Weather Statement | EWX | Williamson | 74 min |
| Sep 18, 12:36 AM CDT | Special Weather Statement | EWX | Travis | 69 min |
| Sep 18, 1:07 AM CDT | Areal Flood Advisory | EWX | Blanco, Burnet | 113 min |
| Sep 18, 1:52 AM CDT | Special Weather Statement | EWX | Travis | 68 min |
| Sep 18, 2:19 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Hays, Travis | 3 hr |
| Sep 18, 2:34 AM CDT | Special Weather Statement | EWX | Hays | 56 min |
| Sep 18, 2:37 AM CDT | Areal Flood Advisory | EWX | Blanco | 113 min |
| Sep 18, 2:56 AM CDT | Special Weather Statement | EWX | Caldwell, Hays | 64 min |
| Sep 18, 3:20 AM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Sep 18, 4:03 AM CDT | Areal Flood Advisory | EWX | Bastrop, Caldwell, Comal, Guadalupe, Hays | 117 min |
| Sep 18, 4:51 AM CDT | Areal Flood Advisory | EWX | Bastrop, Bexar, Caldwell, Comal, Gonzales, Guadalupe | 2 hr |
| Sep 18, 4:56 AM CDT | River Flood Warning | EWX | Travis | 18 hr |
| Sep 18, 5:20 AM CDT | Flash Flood Warning | EWX | Bastrop, Burnet, Caldwell, Hays, Travis | 3 hr |
| Sep 18, 6:30 AM CDT | Areal Flood Advisory | EWX | Gonzales, Guadalupe | 2 hr |
| Sep 18, 7:06 AM CDT | Areal Flood Advisory | EWX | Blanco, Comal, Hays, Kendall | 114 min |
| Sep 18, 4:23 PM CDT | Areal Flood Advisory | EWX | Williamson | 2 hr |
| Sep 18, 4:45 PM CDT | Special Weather Statement | EWX | Williamson | 60 min |
| Sep 18, 4:48 PM CDT | Flash Flood Warning | EWX | Burnet, Williamson | 3 hr |
| Sep 18, 5:03 PM CDT | Special Weather Statement | EWX | Burnet | 57 min |
| Sep 18, 5:39 PM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 3 hr |
| Sep 18, 5:39 PM CDT | Special Weather Statement | EWX | Blanco | 66 min |
| Sep 18, 6:31 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Sep 18, 6:48 PM CDT | Special Weather Statement | EWX | Blanco, Hays, Travis | 57 min |
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.