Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 31, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 18, 2014, 12:32 AM CDT for Bexar 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, 12:32 AM CDT (05:32 UTC)
- Expired
- Jul 18, 2014, 3:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Bexar County, TX
The radar
The Austin/San Antonio radar (KEWX), 52 km from the middle of the area, began a volume at 05:33 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, 1:36 AM CDT | FLASH FLOOD | 3 Nnw Hollywood Park, TX | STREET FLOODING IN STONE OAK |
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, 5.5 hours before the alert went out and 223 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
- 561 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1903 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
989
WGUS54 KEWX 180532
FFWEWX
TXC029-180830-
/O.NEW.KEWX.FF.W.0031.140718T0532Z-140718T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1232 AM CDT FRI JUL 18 2014
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN BEXAR COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 330 AM CDT
* AT 1225 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. DOPPLER
RADAR ESTIMATES SUGGEST THAT RAINFALL TOTALS OF 1 TO 3 INCHES OF
RAIN HAVE ALREADY FALLEN IN NORTHWESTERN BEXAR COUNTY...INCLUDING
TIMBERWOOD PARK AND STONE OAK.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TIMBERWOOD
PARK...FAIR OAKS RANCH AND STONE OAK.
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.
&&
LAT...LON 2971 9879 2971 9873 2974 9863 2973 9859
2975 9854 2971 9843 2973 9840 2972 9838
2966 9839 2963 9836 2961 9879
$$The 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, 12:45 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, 1:59 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 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.