Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 77, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 20, 2016, 8:11 AM CDT for Maverick County, Uvalde County, Zavala County, Texas. It was in force for 4 hr. 10 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
- Aug 20, 2016, 8:11 AM CDT (13:11 UTC)
- Expired
- Aug 20, 2016, 12:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Maverick County, TX, Uvalde County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 43 km from the middle of the area, began a volume at 13:15 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 |
|---|---|---|---|
| Aug 20, 9:05 AM CDT | FLASH FLOOD | 2 Sw Concan, TX | WATER OVER THE ROAD HAS CLOSED THE FM 1051 AND HIGHWAY 83 INTERSECTION. |
| Aug 20, 9:07 AM CDT | FLASH FLOOD | Uvalde, TX | FM 140 IS CLOSED DUE TO HIGH WATER APPROXIMATELY ONE HALF MILE SOUTH OF THE CITY OF UVALDE. |
| Aug 20, 9:11 AM CDT | FLASH FLOOD | 5 S La Pryor, TX | THE SHERIFF OFFICE IS REPORTING WATER OVER THE ROAD ON HIGHWAY 83 BETWEEN LA PRYOR AND CRYSTAL CITY. |
| Aug 20, 9:19 AM CDT | FLASH FLOOD | Eagle Pass, TX | THE SHERIFF OFFICE REPORTS WATER OVER THE ROAD ON HIGHWAY 277 NORTH NEAR THE ELM CREEK AREA. WATER ALSO OVER THE ROAD NEAR THE HIGHWAY 57 AND HIGHWAY 277 INTERSECTION. |
| Aug 20, 10:09 AM CDT | FLASH FLOOD | Concan, TX | USGS GAUGE IN CONCAN PICKED UP OVER 4 INCHES OF RAIN IN TWO HOURS. THE FRIO RIVER HAS RISEN OVER 4 FEET... PROMPTING THE EVACUATION OF SOME CAMPERS NEAR THE RIVER. |
| Aug 20, 10:30 AM CDT | HEAVY RAIN 4.2 | Eagle Pass, TX | A TRAINED WEATHER SPOTTER REPORTED 4.2 INCHES OF RAIN IN EAGLE PASS ALONG WITH SOME MINOR STREET FLOODING. |
| Aug 20, 10:48 AM CDT | FLASH FLOOD | 1 S Laguna, TX | HIGHWAY 55 BETWEEN UVALDE AND MONTELL CLOSED DUE TO FLOODING |
| Aug 20, 10:56 AM CDT | FLASH FLOOD | 5 Se Concan, TX | HWY 127 AT BRUSHY CREEK CLOSED DUE TO FLOODING |
| Aug 20, 10:59 AM CDT | FLASH FLOOD | 3 Sw Concan, TX | FM 1051 AT DRY FRIO RIVER CLOSED DUE TO FLOODING |
| Aug 20, 11:08 AM CDT | FLASH FLOOD | 2 Se Rio Frio, TX | FM 1050 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
Del Rio, TX (KDLF), launched 12:00Z, 1.2 hours before the alert went out and 69 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
- 472 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
619
WGUS54 KEWX 201311
FFWEWX
TXC323-463-507-201715-
/O.NEW.KEWX.FF.W.0077.160820T1311Z-160820T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
811 AM CDT SAT AUG 20 2016
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
UVALDE COUNTY IN SOUTH CENTRAL TEXAS...
MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...
ZAVALA COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 1215 PM CDT
* AT 809 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN AND WITH THE SLOW MOVEMENT OF THESE STORMS...SEVERAL
MORE INCHES OF RAIN ARE POSSIBLE. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAGLE PASS...UVALDE...CRYSTAL CITY...LA PRYOR...QUEMADO...BATESVILLE...
LAGUNA...DARLING...PALOMA...BLEWETT...CONCAN...KNIPPA...UTOPIA...ROSITA
SOUTH...COMETA...RADAR BASE...GARNER STATE PARK...WASHER...UVALDE
ESTATES AND LAS COLONIAS.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2861 10044 2864 10045 2867 10050 2874 10051
2876 10053 2882 10055 2883 10058 2885 10057
2888 10060 2889 10059 2890 10060 2891 10064
2901 10065 2908 10010 2961 9997 2962 9942
2870 9969
$$
YURA2 follow-up statements
856
WGUS74 KEWX 201450
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
950 AM CDT SAT AUG 20 2016
TXC323-463-507-201715-
/O.CON.KEWX.FF.W.0077.000000T0000Z-160820T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UVALDE TX-MAVERICK TX-ZAVALA TX-
950 AM CDT SAT AUG 20 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
UVALDE...MAVERICK AND ZAVALA COUNTIES...
AT 945 AM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. OVER FOUR
INCHES OF RAIN HAVE ALREADY FALLEN NEAR THE CONCAN AREA OF NORTHERN
UVALDE COUNTY. FLASH FLOODING WILL CONTINUE FOR THE NEXT SEVERAL HOURS
ACROSS NORTHERN UVALDE COUNTY AS WELL AS NORTHERN MAVERICK COUNTY.
RESIDENTS AND VISITORS ALONG THE FRIO RIVER NEAR CONCAN AND GARNER STATE
PARK NEED TO HEED THIS FLASH FLOOD WARNING AND GET TO HIGHER GROUND.
AVOID LOW WATER CROSSINGS AND CAMP SITES NEAR RIVERS AND CREEKS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAGLE PASS...UVALDE...CRYSTAL CITY...LA PRYOR...QUEMADO...BATESVILLE...
LAGUNA...DARLING...PALOMA...BLEWETT...CONCAN...KNIPPA...UTOPIA...ROSITA
SOUTH...COMETA...RADAR BASE...GARNER STATE PARK...WASHER...UVALDE ESTATES
AND LAS COLONIAS.
ADDITIONAL RAINFALL AMOUNTS OF UP TO ONE HALF INCH ARE POSSIBLE OVER
UVALDE COUNTY WHILE 1 TO 2 INCHES ARE POSSIBLE OVER NORTHERN MAVERICK AND
ALL OF ZAVALA COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2861 10044 2864 10045 2867 10050 2874 10051
2876 10053 2882 10055 2883 10058 2885 10057
2888 10060 2889 10059 2890 10060 2891 10064
2901 10065 2908 10010 2961 9997 2962 9942
2870 9969
$$
YURA596
WGUS74 KEWX 201712
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1212 PM CDT SAT AUG 20 2016
TXC323-463-507-201716-
/O.EXP.KEWX.FF.W.0077.000000T0000Z-160820T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UVALDE TX-MAVERICK TX-ZAVALA TX-
1212 PM CDT SAT AUG 20 2016
...THE FLASH FLOOD WARNING FOR UVALDE...MAVERICK AND ZAVALA COUNTIES
WILL EXPIRE AT 1215 PM CDT...
FLOOD WATERS ARE BEGINNING TO RECEDE IN MOST AREAS THAT WERE EXPERIENCING EARLIER
FLASH FLOODING. SOME ROADS WILL REMAIN CLOSED HOWEVER FOR SEVERAL HOURS AS WATER MOVES
SOUTH FROM THE HIGHER TERRAIN. SEVERAL LOW WATER CROSSINGS AND ROADS WILL LIKELY BE
IMPASSABLE THROUGH THE AFTERNOON HOURS SO PLEASE CONTINUE TO HEED ANY REMAINING
ROAD CLOSURES AND HIGH WATER WARNING SIGNS. THE THREAT OF FLOODING RAINS WILL CONTINUE
THROUGH TOMORROW.
REMEMBER TO TURN AROUND...DON'T DROWN.
LAT...LON 2861 10044 2864 10045 2867 10050 2874 10051
2876 10053 2882 10055 2883 10058 2885 10057
2888 10060 2889 10059 2890 10060 2891 10064
2901 10065 2908 10010 2961 9997 2962 9942
2870 9969
$$
YURAThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:53 PM CDT | Areal Flood Advisory | EWX | Val Verde | 2 hr |
| Aug 19, 8:07 PM CDT | Special Weather Statement | EWX | Val Verde | 38 min |
| Aug 19, 10:18 PM CDT | Areal Flood Advisory | EWX | Val Verde | 3 hr |
| Aug 19, 11:25 PM CDT | Special Weather Statement | EWX | Val Verde | 50 min |
| Aug 20, 12:18 AM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 43 hr |
| Aug 20, 12:59 AM CDT | Special Weather Statement | EWX | Val Verde | 46 min |
| Aug 20, 1:17 AM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Aug 20, 3:55 AM CDT | Areal Flood Advisory | EWX | Kinney | 3 hr |
| Aug 20, 4:15 AM CDT | Areal Flood Advisory | EWX | Edwards, Val Verde | 3 hr |
| Aug 20, 4:46 AM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Val Verde | 3 hr |
| Aug 20, 7:19 AM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Kinney, Maverick, Real, Uvalde and 1 more | 3 hr |
| Aug 20, 7:29 AM CDT | River Flood Warning | EWX | Val Verde | 24 hr |
| Aug 20, 7:29 AM CDT | River Flood Warning | EWX | Val Verde | 20 hr |
| Aug 20, 10:00 AM CDT | River Flood Warning | EWX | Uvalde | 13 hr |
| Aug 20, 10:05 AM CDT | Areal Flood Advisory | EWX | Frio, Medina | 3 hr |
| Aug 20, 3:41 PM CDT | Areal Flood Advisory | EWX | Blanco, Hays, Travis, Williamson | 3 hr |
| Aug 20, 4:10 PM CDT | Flash Flood Warning | EWX | Hays, Travis | 3 hr |
| Aug 20, 4:13 PM CDT | Special Weather Statement | EWX | Travis | 47 min |
| Aug 20, 4:19 PM CDT | Areal Flood Advisory | EWX | Llano | 116 min |
| Aug 20, 5:01 PM CDT | Flash Flood Warning | EWX | Williamson | 3 hr |
| Aug 20, 5:03 PM CDT | Areal Flood Advisory | EWX | Bastrop, Caldwell, Fayette, Gonzales, Lee | 3 hr |
| Aug 20, 6:18 PM CDT | Areal Flood Advisory | EWX | Wilson | 3 hr |
| Aug 20, 6:46 PM CDT | River Flood Warning | EWX | Travis | 20 hr |
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; radar from the NEXRAD Level II archive.