Alert archive / Texas / Flash Flood Warnings in 2016
Flash Flood Warning 86, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 21, 2016, 9:23 AM CDT for Zavala County, Texas. It was in force for 3 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
- Aug 21, 2016, 9:23 AM CDT (14:23 UTC)
- Expired
- Aug 21, 2016, 12:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 64 km from the middle of the area, began a volume at 14:22 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 21, 10:40 AM CDT | FLASH FLOOD | La Pryor, TX | SHERIFF OFFICE IS REPORTING WATER OVER THE ROAD ON HIGHWAY 83 JUST SOUTH OF LA PRYOR. PORTION OF HIGHWAY 57 CLOSED DUE TO HIGH WATER NEAR BATESVILLE. |
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, 2.4 hours before the alert went out and 116 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
- 94 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
181 WGUS54 KEWX 211423 FFWEWX TXC507-211715- /O.NEW.KEWX.FF.W.0086.160821T1423Z-160821T1715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 923 AM CDT SUN AUG 21 2016 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... ZAVALA COUNTY IN SOUTH CENTRAL TEXAS... * UNTIL 1215 PM CDT * AT 921 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. THIS PORTION OF ZAVALA COUNTY RECEIVED SEVERAL INCHES OF RAIN ON SATURDAY SO THE GROUND IS SATURATED AND ADDITIONAL RAIN WILL LIKELY CAUSE FLASH FLOODING. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CRYSTAL CITY...BATESVILLE...LA PRYOR...CHULA VISTA-RIVER SPUR... WASHER...COMETA...LAS COLONIAS AND LOMA VISTA. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO 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 2908 9957 2865 9950 2865 10010 2907 10010 $$ YURA
1 follow-up statement
052 WGUS74 KEWX 211606 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1106 AM CDT SUN AUG 21 2016 TXC507-211715- /O.CON.KEWX.FF.W.0086.000000T0000Z-160821T1715Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ZAVALA TX- 1106 AM CDT SUN AUG 21 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR ZAVALA COUNTY... AT 1101 AM CDT...DOPPLER RADAR INDICATED MODERATE RAIN ACROSS MOST OF ZAVALA COUNTY. POCKETS OF HEAVY RAIN REMAIN OVER THE FAR SOUTHWEST CORNER OF THE COUNTY. REPORTS FROM THE SHERIFF OFFICE INDICATE SOME ROAD CLOSURES. THE RAIN INTENSITY HAS DIMINISHED OVER THE PAST HOUR BUT ANY ADDITIONAL RAINS ON THE SATURATED SOIL WILL CONTINUE THE FLASH FLOOD THREAT. 1 TO 2 INCHES OF RAIN HAVE ALREADY FALLEN AND AN ADDITIONAL HALF INCH TO ONE INCH IS STILL POSSIBLE. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CRYSTAL CITY...BATESVILLE...LA PRYOR...CHULA VISTA-RIVER SPUR... WASHER...COMETA...LAS COLONIAS AND LOMA VISTA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 2908 9957 2865 9950 2865 10010 2907 10010 $$ YURA
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 7:03 PM CDT | Flash Flood Warning | EWX | Atascosa, Gonzales, Guadalupe, Wilson | 9 hr |
| Aug 20, 9:15 PM CDT | Areal Flood Advisory | EWX | Fayette, Gonzales, Lavaca | 3 hr |
| Aug 20, 9:46 PM CDT | River Flood Warning | EWX | Gonzales | 3 days |
| Aug 20, 10:59 PM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Aug 20, 11:23 PM CDT | River Flood Warning | EWX | Travis | 14 hr |
| Aug 20, 11:32 PM CDT | Areal Flood Advisory | EWX | DeWitt, Gonzales, Karnes | 3 hr |
| Aug 21, 12:39 AM CDT | River Flood Warning | EWX | Karnes | 38 hr |
| Aug 21, 12:45 AM CDT | Areal Flood Advisory | EWX | Lee, Williamson | 3 hr |
| Aug 21, 12:50 AM CDT | Areal Flood Advisory | EWX | DeWitt | 3 hr |
| Aug 21, 1:04 AM CDT | Areal Flood Advisory | EWX | Atascosa, Frio | 3 hr |
| Aug 21, 1:39 AM CDT | Areal Flood Advisory | EWX | Bexar | 3 hr |
| Aug 21, 1:48 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Frio | 5 hr |
| Aug 21, 1:54 AM CDT | Areal Flood Advisory | EWX | Bastrop, Travis | 3 hr |
| Aug 21, 2:27 AM CDT | Areal Flood Advisory | EWX | Comal | 3 hr |
| Aug 21, 3:06 AM CDT | Flash Flood Warning | EWX | Comal | 3 hr |
| Aug 21, 3:17 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| Aug 21, 3:29 AM CDT | River Flood Warning | EWX | DeWitt | 58 hr |
| Aug 21, 4:03 AM CDT | River Flood Warning | EWX | Karnes | 24 hr |
| Aug 21, 4:07 AM CDT | Areal Flood Advisory | EWX | Medina | 113 min |
| Aug 21, 5:04 AM CDT | Areal Flood Advisory | EWX | Bexar | 116 min |
| Aug 21, 5:17 AM CDT | Flash Flood Warning | EWX | Medina | 3 hr |
| Aug 21, 5:21 AM CDT | River Flood Warning | EWX | Gonzales | 20 hr |
| Aug 21, 5:41 AM CDT | River Flood Warning | EWX | Bexar, Wilson | 49 hr |
| Aug 21, 5:41 AM CDT | River Flood Warning | EWX | Bexar | 23 hr |
| Aug 21, 5:52 AM CDT | Flash Flood Warning | EWX | Comal | 113 min |
| Aug 21, 6:01 AM CDT | Areal Flood Advisory | EWX | Kendall | 3 hr |
| Aug 21, 6:19 AM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 116 min |
| Aug 21, 6:38 AM CDT | Flash Flood Warning | EWX | Atascosa, Bexar, Frio | 3 hr |
| Aug 21, 8:41 AM CDT | Areal Flood Advisory | EWX | Uvalde, Zavala | 2 hr |
| Aug 21, 10:55 AM CDT | Areal Flood Advisory | EWX | DeWitt, Gonzales, Guadalupe, Karnes, Wilson | 110 min |
| Aug 21, 11:25 AM CDT | Flash Flood Warning | EWX | DeWitt, Gonzales, Guadalupe, Karnes, Wilson | 5 hr |
| Aug 21, 2:42 PM CDT | Areal Flood Advisory | EWX | Fayette | 2 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.