Alert archive / Texas / Flash Flood Warnings in 2015
Flash Flood Warning 45, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 21, 2015, 2:38 AM CDT for Maverick County, Uvalde County, Zavala County, Texas. It was in force for 3 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
- May 21, 2015, 2:38 AM CDT (07:38 UTC)
- Expired
- May 21, 2015, 5:30 AM CDT
- In force
- 3 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), 62 km from the middle of the area, began a volume at 07:41 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 21, 2:45 AM CDT | FLASH FLOOD | Eagle Pass, TX | WATER OVER THE ROAD ON FM 1021 AND AT THE INTERSECTION OF U.S. HIGHWAYS 57 AND 277. |
| May 21, 4:00 AM CDT | FLASH FLOOD | 5 Nnw Washer, TX | HWY 481 BEING CLOSED DUE TO FLOODING. |
| May 21, 4:00 AM CDT | FLASH FLOOD | Eagle Pass, TX | CREEK FLOODING AT BARRERA ST IN EAGLE PASS. FLOODING ALSO REPORTED ALONG HIGHWAY 57 ON EAST SIDE OF EAGLE PASS...WITH WATER OVER ONE LANE. |
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 00:00Z, 7.6 hours before the alert went out and 88 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
- 1721 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
978
WGUS54 KEWX 210738
FFWEWX
TXC323-463-507-211030-
/O.NEW.KEWX.FF.W.0045.150521T0738Z-150521T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
238 AM CDT THU MAY 21 2015
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...
ZAVALA COUNTY IN SOUTH CENTRAL TEXAS...
SOUTHWESTERN UVALDE COUNTY IN SOUTH CENTRAL TEXAS...
* UNTIL 530 AM CDT
* AT 235 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN FROM SOUTHWEST OF UVALDE TO LA PRYOR TO EL INDIO...
EAGLE PASS...AND QUEMADO. DOPPLER RADAR SHOWS UP TO THREE INCHES
OF RAIN HAVE ALREADY FALLEN WITH THE HEAVIEST JUST EAST OF EAGLE
PASS AND NORTHWEST OF LA PRYOR. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAGLE PASS...UVALDE...CRYSTAL CITY...EL INDIO...LA PRYOR...
BATESVILLE...QUEMADO...RADAR BASE...DARLING...WASHER...UVALDE
ESTATES...LAS COLONIAS...PALOMA...BLEWETT...CHULA VISTA-RIVER
SPUR...ROSITA NORTH...DABNEY...ROSITA SOUTH...NORMANDY AND COMETA.
ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
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.
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 2845 10034 2848 10037 2850 10033 2852 10039
2855 10041 2858 10040 2861 10045 2864 10045
2866 10050 2880 10053 2883 10058 2889 10059
2890 10063 2894 10065 2908 10011 2919 10010
2920 9958 2865 9966 2865 10011 2842 10034
$$
CP2 follow-up statements
593
WGUS74 KEWX 210926
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
426 AM CDT THU MAY 21 2015
TXC323-463-507-211030-
/O.CON.KEWX.FF.W.0045.000000T0000Z-150521T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-ZAVALA TX-UVALDE TX-
426 AM CDT THU MAY 21 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 AM CDT FOR
MAVERICK...ZAVALA AND SOUTHWESTERN UVALDE COUNTIES...
AT 423 AM CDT...DOPPLER RADAR INDICATED THE HEAVY RAINS HAVE ENDED.
HOWEVER...HEAVY RAINS WEST OF THE RIO GRANDE BETWEEN EL INDIO AND
EAGLE PASS WILL MOVE INTO MAVERICK COUNTY IN THE NEXT HALF HOUR.
DOPPLER RADAR SHOWS UP TO 6 INCHES OF RAIN HAVE ALREADY FALLEN IN AN
AREA BETWEEN UVALDE...CRYSTAL CITY...EL INDIO AND EAGLE PASS. FLASH
FLOODING WILL CONTINUE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EAGLE PASS...UVALDE...CRYSTAL CITY...EL INDIO...LA PRYOR...
BATESVILLE...QUEMADO...RADAR BASE...DARLING...WASHER...UVALDE
ESTATES...LAS COLONIAS...PALOMA...BLEWETT...CHULA VISTA-RIVER SPUR...
ROSITA NORTH...DABNEY...ROSITA SOUTH...NORMANDY AND COMETA.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE MAINLY IN
THE EAGLE PASS TO EL INDIO AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 2845 10034 2848 10037 2850 10033 2852 10039
2855 10041 2858 10040 2861 10045 2864 10045
2866 10050 2880 10053 2883 10058 2889 10059
2890 10063 2894 10065 2908 10011 2919 10010
2920 9958 2865 9966 2865 10011 2842 10034
$$
CP413
WGUS74 KEWX 211029
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
529 AM CDT THU MAY 21 2015
TXC323-463-507-211036-
/O.EXP.KEWX.FF.W.0045.000000T0000Z-150521T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-ZAVALA TX-UVALDE TX-
529 AM CDT THU MAY 21 2015
...THE FLASH FLOOD WARNING FOR MAVERICK...ZAVALA AND SOUTHWESTERN
UVALDE COUNTIES WILL EXPIRE AT 530 AM CDT...
THE HEAVY RAIN HAS ENDED WITH ONLY PATCHY LIGHT TO MODERATE RAINS
INDICATED BY DOPPLER RADAR...AND FLASH FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. EARLIER HEAVY RAINS UP TO 5 INCHES CAUSED
SOME STREAMS TO RISE. THESE RISES WILL CONTINUE FOR THE NEXT FEW
HOURS. A THUNDERSTORM WITH HEAVY RAIN WEST OF EAGLE PASS MAY MOVE
EAST INTO MAVERICK COUNTY TO PROLONG THE RISES. THE WARNING HAS BEEN
REPLACED WITH AN URBAN AND SMALL STREAM FLOOD ADVISORY.
LAT...LON 2845 10034 2848 10037 2850 10033 2852 10039
2855 10041 2858 10040 2861 10045 2864 10045
2866 10050 2880 10053 2883 10058 2889 10059
2890 10063 2894 10065 2908 10011 2919 10010
2920 9958 2865 9966 2865 10011 2842 10034
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 8:07 PM CDT | Special Weather Statement | EWX | Edwards | 38 min |
| May 20, 8:18 PM CDT | Special Weather Statement | EWX | Travis | 27 min |
| May 20, 8:52 PM CDT | Severe Thunderstorm Warning | EWX | Edwards | 38 min |
| May 20, 8:54 PM CDT | Special Weather Statement | EWX | Bandera, Kerr, Real, Uvalde, Zavala | 51 min |
| May 20, 9:03 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 42 min |
| May 20, 9:12 PM CDT | Special Weather Statement | EWX | Burnet | 48 min |
| May 20, 9:31 PM CDT | Special Weather Statement | EWX | Llano | 44 min |
| May 20, 9:44 PM CDT | Special Weather Statement | EWX | Edwards | 46 min |
| May 20, 9:58 PM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bexar, Blanco, Burnet, Comal and 17 more | 10 hr |
| May 20, 10:33 PM CDT | Special Weather Statement | EWX | Edwards, Gillespie | 57 min |
| May 20, 10:40 PM CDT | Flash Flood Warning | EWX | Llano | 3 hr |
| May 20, 11:13 PM CDT | Flash Flood Warning | EWX | Gillespie, Kerr | 5 hr |
| May 20, 11:31 PM CDT | Special Weather Statement | EWX | Edwards, Gillespie, Kerr, Llano, Real | 44 min |
| May 20, 11:55 PM CDT | Areal Flood Advisory | EWX | Blanco, Burnet, Llano | 3 hr |
| May 21, 12:10 AM CDT | Special Weather Statement | EWX | Bandera, Blanco, Gillespie, Kendall, Kerr | 65 min |
| May 21, 12:13 AM CDT | Flash Flood Warning | EWX | Blanco, Burnet, Llano | 3 hr |
| May 21, 12:19 AM CDT | Special Weather Statement | EWX | Williamson | 56 min |
| May 21, 12:27 AM CDT | Areal Flood Advisory | EWX | Blanco, Kendall | 3 hr |
| May 21, 12:46 AM CDT | Flash Flood Warning | EWX | Williamson | 3 hr |
| May 21, 12:58 AM CDT | Areal Flood Advisory | EWX | Bandera | 3 hr |
| May 21, 1:13 AM CDT | Special Weather Statement | EWX | Bandera | 62 min |
| May 21, 1:18 AM CDT | Flash Flood Warning | EWX | Travis | 3 hr |
| May 21, 2:10 AM CDT | Areal Flood Advisory | EWX | Maverick, Uvalde, Zavala | 3 hr |
| May 21, 2:14 AM CDT | Special Weather Statement | EWX | Maverick | 61 min |
| May 21, 2:17 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| May 21, 2:33 AM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| May 21, 3:07 AM CDT | Special Weather Statement | EWX | Dimmit | 53 min |
| May 21, 3:20 AM CDT | Areal Flood Advisory | EWX | Blanco, Burnet, Llano | 115 min |
| May 21, 3:34 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 56 min |
| May 21, 3:44 AM CDT | Flash Flood Warning | EWX | Williamson | 3 hr |
| May 21, 3:50 AM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick | 3 hr |
| May 21, 4:01 AM CDT | Flash Flood Warning | EWX | Dimmit, Maverick | 3 hr |
| May 21, 4:12 AM CDT | Special Weather Statement | EWX | Dimmit | 48 min |
| May 21, 4:18 AM CDT | Areal Flood Advisory | EWX | Travis | 3 hr |
| May 21, 4:29 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 46 min |
| May 21, 5:26 AM CDT | Areal Flood Advisory | EWX | Maverick, Uvalde, Zavala | 3 hr |
| May 21, 6:48 AM CDT | Areal Flood Advisory | EWX | Williamson | 3 hr |
| May 21, 6:59 AM CDT | Areal Flood Advisory | EWX | Dimmit, Maverick | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.