Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 10, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 5, 2015, 10:56 PM CDT for Travis County, Texas. It was in force for 3 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 5, 2015, 10:56 PM CDT (03:56 UTC)
- Expired
- May 6, 2015, 1:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Travis County, TX
The radar
The Ft Hood radar (KGRK), 59 km from the middle of the area, began a volume at 04:00 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, 3.9 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
- 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.
581
WGUS54 KEWX 060356
FFWEWX
TXC453-060645-
/O.NEW.KEWX.FF.W.0010.150506T0356Z-150506T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1056 PM CDT TUE MAY 5 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 145 AM CDT
* AT 1051 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAINS AND FLASH FLOODING CONTINUES ACROSS WESTERN AND
CENTRAL PARTS OF THE AUSTIN METRO AREA. AT 1015 PM...THE RIVER
GAUGE AT SHOAL CREEK NEAR WEST 12TH STREET IN AUSTIN HAS REACHED
NEAR 14 FEET...OR AT A LEVEL CLOSE ENOUGH TO THREATEN BUSINESS
PROPERTIES NEAR WEST 6TH STREET AND LAMAR BOULEVARD. ADDITIONAL
HEAVY RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED TO REMAIN
POSSIBLE OVER AUSTIN THROUGH MIDNIGHT CDT.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AUSTIN...BEE CAVE...WEST LAKE HILLS...ROLLINGWOOD...MANSFIELD
DAM...BARTON CREEK...HUDSON BEND...SUNSET VALLEY...CAMP MABRY...
LOST CREEK AND WELLS BRANCH.
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
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
CREEKS...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES.
&&
LAT...LON 3042 9778 3044 9768 3027 9776 3018 9789
3023 9797 3048 9789
$$
OAKS1 follow-up statement
105
WGUS74 KEWX 060641
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
141 AM CDT WED MAY 6 2015
TXC453-060651-
/O.EXP.KEWX.FF.W.0010.000000T0000Z-150506T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-
141 AM CDT WED MAY 6 2015
...THE FLASH FLOOD WARNING FOR CENTRAL TRAVIS COUNTY WILL EXPIRE AT
145 AM CDT...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.
LAT...LON 3042 9778 3044 9768 3027 9776 3018 9789
3023 9797 3048 9789
$$
HAMPSHIREThe 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 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, 4:25 AM CDT | Flash Flood Warning | EWX | Bastrop, Lee, Williamson | 4 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.