Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Apr 17, 2016, 5:52 PM CDT for Williamson County, Texas. It was in force for 4 hr. 3 reports 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
- Apr 17, 2016, 5:52 PM CDT (22:52 UTC)
- Expired
- Apr 17, 2016, 9:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Williamson County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 6:16 PM CDT | FLASH FLOOD | 3 Sw Granger, TX | FLASH FLOODING ON CR 377 |
| Apr 17, 7:11 PM CDT | HEAVY RAIN 3.58 | 1 Ese Leander, TX | RAINFALL AMOUNT FOR TODAY |
| Apr 17, 7:12 PM CDT | HEAVY RAIN 3.4 | Walburg, TX | RAINFALL SINCE 7 AM TODAY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.9 hours before the alert went out and 248 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 383 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
348
WGUS54 KEWX 172252
FFWEWX
TXC491-180245-
/O.NEW.KEWX.FF.W.0004.160417T2252Z-160418T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
552 PM CDT SUN APR 17 2016
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WILLIAMSON COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 945 PM CDT
* AT 549 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS
OCCURRING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...ROUND
ROCK...CEDAR PARK...GEORGETOWN...TAYLOR...GRANGER...
SERENADA...ANDERSON MILL...LEANDER... HUTTO... BARTLETT...
FLORENCE... JARRELL... LIBERTY HILL...THRALL...WEIR...GEORGETOWN
DAM...ANDICE...SUN CITY AND COUPLAND.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3090 9775 3087 9762 3074 9727 3046 9716
3040 9733 3046 9744 3049 9751 3048 9755
3050 9760 3043 9778 3047 9785 3054 9787
3057 9793 3061 9792 3063 9795 3061 9804
3063 9805 3079 9796 3084 9790 3091 9783
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 3:53 AM CDT | Special Weather Statement | EWX | Edwards | 67 min |
| Apr 17, 6:30 AM CDT | Areal Flood Advisory | EWX | Edwards, Val Verde | 3 hr |
| Apr 17, 8:56 AM CDT | Special Weather Statement | EWX | Real | 64 min |
| Apr 17, 10:03 AM CDT | Areal Flood Advisory | EWX | Edwards, Kinney | 3 hr |
| Apr 17, 11:11 AM CDT | River Flood Warning | EWX | Val Verde | 23 hr |
| Apr 17, 12:10 PM CDT | Areal Flood Advisory | EWX | Bastrop, Lee | 3 hr |
| Apr 17, 12:30 PM CDT | Special Weather Statement | EWX | Uvalde | 45 min |
| Apr 17, 12:48 PM CDT | Flash Flood Warning | EWX | Bastrop | 6 hr |
| Apr 17, 1:15 PM CDT | Special Weather Statement | EWX | Real | 45 min |
| Apr 17, 1:59 PM CDT | Special Weather Statement | EWX | Real | 46 min |
| Apr 17, 2:23 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 6 hr |
| Apr 17, 2:27 PM CDT | Areal Flood Advisory | EWX | Real, Uvalde | 3 hr |
| Apr 17, 2:51 PM CDT | Areal Flood Advisory | EWX | Hays, Travis | 3 hr |
| Apr 17, 3:09 PM CDT | Special Weather Statement | EWX | Bexar | 51 min |
| Apr 17, 3:18 PM CDT | Special Weather Statement | EWX | Blanco | 27 min |
| Apr 17, 3:34 PM CDT | Special Weather Statement | EWX | Atascosa | 26 min |
| Apr 17, 4:00 PM CDT | Special Weather Statement | EWX | Bexar | 45 min |
| Apr 17, 4:04 PM CDT | Special Weather Statement | EWX | Atascosa | 41 min |
| Apr 17, 4:14 PM CDT | Tornado Warning | EWX | Atascosa | 31 min |
| Apr 17, 4:23 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Kendall | 52 min |
| Apr 17, 4:31 PM CDT | Special Weather Statement | EWX | Williamson | 44 min |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Gonzales | 4 days |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | DeWitt | 24 hr |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Comal, Guadalupe | 26 hr |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Comal, Gonzales, Guadalupe | 20 hr |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Comal, Guadalupe | 29 hr |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Hays | 35 hr |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 3 days |
| Apr 17, 4:41 PM CDT | River Flood Warning | EWX | Caldwell, Gonzales | 46 hr |
| Apr 17, 4:45 PM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Kendall | 3 hr |
| Apr 17, 4:45 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 45 min |
| Apr 17, 5:10 PM CDT | Special Weather Statement | EWX | Gillespie | 50 min |
| Apr 17, 5:13 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kendall, Kerr | 22 min |
| Apr 17, 5:15 PM CDT | Areal Flood Advisory | EWX | Williamson | 3 hr |
| Apr 17, 5:26 PM CDT | Special Weather Statement | EWX | Frio | 34 min |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Bexar | 34 hr |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Bexar | 58 hr |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Bexar | 36 hr |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Bexar, Guadalupe | 32 hr |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Bexar, Wilson | 59 hr |
| Apr 17, 5:27 PM CDT | River Flood Warning | EWX | Karnes | 4 days |
| Apr 17, 5:45 PM CDT | Severe Thunderstorm Warning | EWX | Frio | 30 min |
| Apr 17, 5:48 PM CDT | Special Weather Statement | EWX | Kendall | 27 min |
| Apr 17, 6:15 PM CDT | Special Weather Statement | EWX | Bandera | 30 min |
| Apr 17, 6:30 PM CDT | Special Weather Statement | EWX | Medina | 30 min |
| Apr 17, 6:44 PM CDT | Special Weather Statement | EWX | Bandera | 31 min |
| Apr 17, 6:59 PM CDT | Special Weather Statement | EWX | Uvalde | 31 min |
Nearby
Flash Flood Warnings in Texas, 2016Every flash flood warning in 2016
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.