Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 55, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 18, 2014, 5:20 AM CDT for 5 counties in Texas. It was in force for 3 hr. 9 reports 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, 5:20 AM CDT (10:20 UTC)
- Expired
- Sep 18, 2014, 8:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bastrop County, TX, Burnet County, TX, Caldwell County, TX, Hays County, TX, Travis County, TX
The radar
The Austin/San Antonio radar (KEWX), 65 km from the middle of the area, began a volume at 10:23 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, 7:00 AM CDT | HEAVY RAIN 4.83 | 2 Nw Bee Cave, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 5.56 | 1 Nne San Leanna, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 5.57 | 5 Nne Austin, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 5.6 | 2 Nnw West Lake Hills, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 5.89 | 1 Ne Tanglewood Forest, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 6.09 | 4 Nw Tanglewood Forest, TX | |
| Sep 18, 7:00 AM CDT | HEAVY RAIN 7.1 | 8 Wsw Austin, TX | |
| Sep 18, 7:12 AM CDT | FLASH FLOOD | Austin, TX | ATXFLOODS.COM REPORTS OVER 50 LOW WATER CROSSINGS AND ROADS REMAIN CLOSED. MANY OF THESE CROSSINGS ARE ACROSS THE SOUTHERN HALF OF AUSTIN AND TRAVIS COUNTY. |
| Sep 18, 7:30 AM CDT | HEAVY RAIN 5.96 | 6 Nw Dripping Springs, TX |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 10.3 hours before the alert went out and 287 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
- 2841 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.0
The text
As transmitted, in the capitals the NWS used until 2016.
173
WGUS54 KEWX 181020
FFWEWX
TXC021-053-055-209-453-181315-
/O.NEW.KEWX.FF.W.0055.140918T1020Z-140918T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
520 AM CDT THU SEP 18 2014
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL BASTROP COUNTY IN SOUTH CENTRAL TEXAS...
EXTREME SOUTH CENTRAL BURNET COUNTY IN SOUTH CENTRAL TEXAS...
NORTH CENTRAL CALDWELL COUNTY IN SOUTH CENTRAL TEXAS...
HAYS COUNTY IN SOUTH CENTRAL TEXAS...
THIS INCLUDES THE CITY OF DRIPPING SPRINGS...
TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 815 AM CDT
* AT 513 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUE TO
REPORT FLOODED ROADS THROUGHOUT THE AUSTIN AREA. THE DANGER OF
FLOODED ROADS AND FLOODED LOW WATER CROSSINGS WILL REMAIN A THREAT
THROUGH THE MORNING COMMUTE. ALL MOTORISTS ARE URGED TO DELAY
THEIR MORNING COMMUTE UNTIL ROADS ARE SAFE.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
NIEDERWALD...DRIFTWOOD...BUDA...WEST LAKE HILLS...ROLLINGWOOD...
ONION CREEK...MUSTANG RIDGE...MANSFIELD DAM...LAKEWAY...LAGO
VISTA AND BEE CAVE
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.
&&
LAT...LON 3052 9808 3038 9778 3032 9742 3002 9754
2993 9790 3023 9822
$$1 follow-up statement
963
WGUS74 KEWX 181318
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
818 AM CDT THU SEP 18 2014
TXC021-053-055-209-453-181324-
/O.EXP.KEWX.FF.W.0055.000000T0000Z-140918T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-TRAVIS TX-CALDWELL TX-BURNET TX-BASTROP TX-
818 AM CDT THU SEP 18 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 AM CDT FOR WEST CENTRAL
BASTROP...EXTREME SOUTH CENTRAL BURNET...NORTH CENTRAL CALDWELL...
TRAVIS AND HAYS COUNTIES...
RAIN HAS MOVED OFF TO THE SOUTH AND NO MORE RAIN IS EXPECTED IN THE
SHORT TERM...SO THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.
RUNOFF FROM PREVIOUS RAIN WILL CONTINUE TO BE A PROBLEM AND FLOODED
AREAS WILL BE SLOW TO DRAIN. BE CAUTIOUS DRIVING THIS MORNING AS
SOME LOW WATER CROSSING WILL STILL BE IMPASSABLE.
LAT...LON 3052 9808 3038 9778 3032 9742 3002 9754
2993 9790 3023 9822
$$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, 1:23 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Hays, Travis | 4 hr |
| 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, 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.