Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 13, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 6, 2015, 4:25 AM CDT for Bastrop County, Lee County, Williamson County, Texas. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 6, 2015, 4:25 AM CDT (09:25 UTC)
- Expired
- May 6, 2015, 8:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bastrop County, TX, Lee County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 45 km from the middle of the area, began a volume at 09:28 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.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 9.4 hours before the alert went out and 269 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
- 1109 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 942 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.3
The text
As transmitted, in the capitals the NWS used until 2016.
993
WGUS54 KEWX 060925
FFWEWX
TXC021-287-491-061300-
/O.NEW.KEWX.FF.W.0013.150506T0925Z-150506T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
425 AM CDT WED MAY 6 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL BASTROP COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHEASTERN WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
NORTHERN LEE COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 800 AM CDT
* AT 422 AM CDT...EMERGENCY MANAGEMENT REPORTED ONGOING FLASH
FLOODING ACROSS THE WARNED AREA. 4 TO 8 INCHES OF RAIN HAVE FALLEN
ACROSS THE AREA AND ALTHOUGH THE RAIN HAS ENDED...FLASH FLOODING
IS EXPECTED TO CONTINUE THROUGH SUNRISE. NUMEROUS ROADS ARE CLOSED
AND WATER HAS REACHED SOME HOMES NEAR ELGIN...COUPLAND AND
LEXINGTON. USE EXTREME CAUTION ON ROADWAYS THIS MORNING AND NEVER
APPROACH A FLOODED ROADWAY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ELGIN...LEXINGTON...DIME BOX...COUPLAND...TANGLEWOOD...BLUE...
NOACK...BEYARSVILLE...KNOBB SPRINGS...OLD DIME BOX...LEO AND
BUTLER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3035 9703 3033 9721 3026 9739 3028 9745
3042 9737 3044 9740 3044 9742 3064 9723
3046 9715 3055 9696 3054 9692 3049 9690
3046 9690 3046 9688 3043 9687 3042 9683
3033 9676 3032 9673
$$
HAMPSHIRE1 follow-up statement
476
WGUS74 KEWX 061256
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
756 AM CDT WED MAY 6 2015
TXC021-287-491-061305-
/O.EXP.KEWX.FF.W.0013.000000T0000Z-150506T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BASTROP TX-WILLIAMSON TX-LEE TX-
756 AM CDT WED MAY 6 2015
...THE FLASH FLOOD WARNING FOR NORTH CENTRAL BASTROP...SOUTHEASTERN
WILLIAMSON AND NORTHERN LEE COUNTIES WILL EXPIRE AT 800 AM CDT...
THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED
TO POSE A THREAT. HOWEVER...NUMEROUS SMALL STREAMS WILL CONTINUE TO
RUN HIGH FOR THE NEXT FEW HOURS.
LAT...LON 3035 9703 3033 9721 3026 9739 3028 9745
3042 9737 3044 9740 3044 9742 3064 9723
3046 9715 3055 9696 3054 9692 3049 9690
3046 9690 3046 9688 3043 9687 3042 9683
3033 9676 3032 9673
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 7:08 PM CDT | Areal Flood Advisory | EWX | Blanco, Burnet, Comal, Hays, Travis, Williamson | 3 hr |
| May 5, 8:21 PM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| May 5, 8:59 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| May 5, 9:21 PM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| May 5, 10:17 PM CDT | Flash Flood Watch | EWX | Bastrop, Caldwell, Comal, DeWitt, Fayette, Gonzales and 6 more | 7 hr |
| May 5, 10:56 PM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| May 6, 12:10 AM CDT | Flash Flood Warning | EWX | Bastrop, Travis | 110 min |
| May 6, 1:38 AM CDT | Special Weather Statement | EWX | Lee | 37 min |
| May 6, 1:55 AM CDT | Flash Flood Warning | EWX | Bastrop, Lee, Williamson | 3 hr |
| May 6, 2:15 AM CDT | Special Weather Statement | EWX | Lee | 30 min |
| May 6, 2:29 AM CDT | Severe Thunderstorm Warning | EWX | Lee | 31 min |
| May 6, 3:00 AM CDT | Severe Thunderstorm Warning | EWX | Lee | 60 min |
| May 6, 3:19 AM CDT | Areal Flood Warning | EWX | Travis | 3 hr |
| May 6, 6:13 AM CDT | Areal Flood Advisory | EWX | Travis | 2 hr |
| May 6, 8:04 AM CDT | Areal Flood Advisory | EWX | Bastrop, Lee, Travis, Williamson | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2015Every flash flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.