Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 59, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 18, 2014, 7:17 PM CDT for Blanco County, Hays County, Travis 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
- Sep 18, 2014, 7:17 PM CDT (00:17 UTC)
- Expired
- Sep 18, 2014, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Blanco County, TX, Hays County, TX, Travis County, TX
The radar
The Austin/San Antonio radar (KEWX), 59 km from the middle of the area, began a volume at 00:18 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, 7:30 PM CDT | FLASH FLOOD | 5 Ne Johnson City, TX | 4 FEET OF WATER ON CR 301-CYPRESS MILL ROAD. WATER SUBSIDING BUT STILL OVER THE ROAD AS OF 930 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Del Rio, TX (KDLF), launched 00:00Z, 0.3 hours before the alert went out and 281 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
- 756 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1592 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
404
WGUS54 KEWX 190017
FFWEWX
TXC031-209-453-190315-
/O.NEW.KEWX.FF.W.0059.140919T0017Z-140919T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
717 PM 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...
NORTHERN HAYS COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHWESTERN TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 1015 PM CDT
* AT 713 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT THUNDERSTORMS ARE PRODUCING VERY HEAVY
RAINFALL AND FLASH FLOODING OVER PARTS OF NORTHEASTERN BLANCO
COUNTY AND NORTHERN HAYS COUNTY. SLOW MOVING THUNDERSTORMS
WILL CONTINUE TO PRODUCE RAINFALL RATES OF 2 TO 4 INCHES PER
HOUR AS THEY DRIFT SOUTHEAST AT ONLY 5 TO 10 MPH THROUGH
0930 PM CDT.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROUND
MOUNTAIN...PEDERNALES FALLS STATE PARK...DRIPPING SPRINGS...AND
JOHNSON CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 3037 9818 3017 9790 3006 9775 2994 9788
3023 9841 3048 9843
$$1 follow-up statement
599
WGUS74 KEWX 190049
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
749 PM CDT THU SEP 18 2014
TXC031-209-453-190315-
/O.CON.KEWX.FF.W.0059.000000T0000Z-140919T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HAYS TX-TRAVIS TX-BLANCO TX-
749 PM CDT THU SEP 18 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR
NORTHEASTERN BLANCO...SOUTHWESTERN TRAVIS AND NORTHERN HAYS
COUNTIES...
AT 742 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT THUNDERSTORMS
PRODUCING FLASH FLOODING OVER NORTHEASTERN BLANCO AND NORTHERN HAYS
COUNTIES. RAINFALL RATES FROM THE STRONGER STORMS HAVE FALLEN TO
AROUND AN INCH PER HOUR...BUT ADDITIONAL FLASH FLOODING WILL REMAIN
POSSIBLE FROM NEAR PEDERNALES FALLS STATE PARK TO JUST NORTH OF
DRIFTWOOD THROUGH AT LEAST 930 PM.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DRIPPING
SPRINGS...KYLE...DRIFTWOOD AND BUDA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3037 9818 3017 9790 3006 9775 2994 9788
3023 9841 3048 9843
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 8:34 PM CDT | Special Weather Statement | EWX | Comal | 56 min |
| Sep 18, 9:29 PM CDT | Special Weather Statement | EWX | Wilson | 61 min |
| Sep 18, 10:02 PM CDT | Special Weather Statement | EWX | Wilson | 58 min |
| Sep 18, 10:10 PM CDT | Severe Thunderstorm Warning | EWX | Guadalupe, Wilson | 45 min |
| Sep 19, 12:28 AM CDT | Areal Flood Advisory | EWX | Frio, Medina, Uvalde, Zavala | 3 hr |
| Sep 19, 2:53 AM CDT | Flash Flood Warning | EWX | Uvalde, Zavala | 3 hr |
| Sep 19, 5:25 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 2 hr |
| Sep 19, 7:34 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 116 min |
| Sep 19, 11:07 AM CDT | Flash Flood Warning | EWX | Blanco, Gillespie, Kendall, Kerr | 3 hr |
| Sep 19, 12:59 PM CDT | Areal Flood Advisory | EWX | Llano | 2 hr |
| Sep 19, 1:30 PM CDT | Flash Flood Warning | EWX | Llano | 2 hr |
| Sep 19, 6:50 PM CDT | Areal Flood Advisory | EWX | Edwards | 2 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.