Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 90, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 27, 2015, 11:01 AM CDT for Hays County, Travis County, Texas. It was in force for 2 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
- May 27, 2015, 11:01 AM CDT (16:01 UTC)
- Expired
- May 27, 2015, 1:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties 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 16:03 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 |
|---|---|---|---|
| May 27, 11:38 AM CDT | FLASH FLOOD | 3 W Sunset Valley, TX | JOE TANNER LN AND OLD BEE CAVES RD LOW WATER CROSSINGS HAVE BEEN CLOSED DUE TO FLOODING. |
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 12:00Z, 4.0 hours before the alert went out and 280 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
- 2154 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
133
WGUS54 KEWX 271601
FFWEWX
TXC209-453-271830-
/O.NEW.KEWX.FF.W.0090.150527T1601Z-150527T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1101 AM CDT WED MAY 27 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL HAYS COUNTY IN SOUTH CENTRAL TEXAS...
SOUTH CENTRAL TRAVIS COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 130 PM CDT
* AT 1100 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LITTLE BEAR CREEK AND SLAUGHTER CREEK.
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 3030 9775 3005 9777 3007 9797 3032 9797
$$
RUNYEN2 follow-up statements
635 WGUS74 KEWX 271701 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1201 PM CDT WED MAY 27 2015 TXC209-453-271830- /O.CON.KEWX.FF.W.0090.000000T0000Z-150527T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HAYS TX-TRAVIS TX- 1201 PM CDT WED MAY 27 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR EAST CENTRAL HAYS AND SOUTH CENTRAL TRAVIS COUNTIES... AT 1153 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THAT BETWEEN 1 AND 2 INCHES OF RAIN HAS FALLEN ACROSS SOUTH CENTRAL TRAVIS COUNTY AND EAST CENTRAL HAYS COUNTY...BETWEEN BUDA AND SUNSET VALLEY...WITH ISOLATED POCKETS OF 2 1/2 INCHES JUST NORTHWEST OF TANGLEWOOD FOREST. FLASH FLOODING IS OCCURRING ACROSS SOME LOW WATER CROSSING IN THE AREA. WHILE RAINFALL HAS ENDED...RUNOFF FROM EARLIER HEAVY RAINFALL WILL CONTINUE THE FLASH FLOODING THREAT OF LOW WATER CROSSING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...TANGLEWOOD FOREST...LITTLE BEAR CREEK...SLAUGHTER CREEK...BARTON CREEK...SUNSET VALLEY...HAYS...LOST CREEK AND MANCHACA. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3030 9775 3005 9777 3007 9797 3032 9797 $$ RUNYEN
622 WGUS74 KEWX 271824 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 124 PM CDT WED MAY 27 2015 TXC209-453-271831- /O.EXP.KEWX.FF.W.0090.000000T0000Z-150527T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HAYS TX-TRAVIS TX- 124 PM CDT WED MAY 27 2015 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL HAYS AND SOUTH CENTRAL TRAVIS COUNTIES WILL EXPIRE AT 130 PM CDT... THE FLASH FLOOD THREAT IS ENDING. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES AND BE ALERT FOR FLOODING ALONG LOW WATER CROSSINGS. LAT...LON 3030 9775 3005 9777 3007 9797 3032 9797 $$ RUNYEN
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 5:32 AM CDT | Flash Flood Warning | EWX | Fayette, Lee | 118 min |
| May 27, 10:12 AM CDT | Areal Flood Advisory | EWX | Hays, Travis | 2 hr |
| May 27, 10:30 AM CDT | Severe Thunderstorm Warning | EWX | Travis | 45 min |
| May 27, 11:15 AM CDT | Severe Thunderstorm Warning | EWX | Travis | 19 min |
| May 27, 11:19 AM CDT | Severe Thunderstorm Warning | EWX | Blanco, Comal, Hays | 41 min |
| May 27, 11:47 AM CDT | Tornado Warning | EWX | Blanco | 27 min |
| May 27, 12:00 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Hays | 20 min |
| May 27, 12:09 PM CDT | Flash Flood Warning | EWX | Blanco, Comal, Hays | 3 hr |
| May 27, 12:48 PM CDT | Special Weather Statement | EWX | Gillespie | 27 min |
| May 27, 12:52 PM CDT | Flash Flood Watch | EWX | Bastrop, Blanco, Burnet, Caldwell, Gillespie, Hays and 4 more | 8 hr |
| May 27, 1:38 PM CDT | Special Weather Statement | EWX | Llano | 52 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.