Alert archive / Texas / Flash Flood Warnings in 2017
Flash Flood Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 27, 2017, 1:04 PM CDT for Zavala County, Texas. It was in force for 116 min. 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
- Sep 27, 2017, 1:04 PM CDT (18:04 UTC)
- Expired
- Sep 27, 2017, 3:00 PM CDT
- In force
- 116 min
- 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), 66 km from the middle of the area, began a volume at 18:07 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 |
|---|---|---|---|
| Sep 27, 2:40 PM CDT | FLASH FLOOD | 5 Ese Batesville, TX | CR 1866 JUST SOUTHEAST OF BATESVILLE HAS WATER OVER THE ROADWAY IN SEVERAL SPOTS DUE TO RECENT FLOODING RAINS. SOME OR ALL OF THIS SECTION OF ROAD MAY BE CLOSED SHORTLY BY TXDOT. |
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, 6.1 hours before the alert went out and 115 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
- 4 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
703 WGUS54 KEWX 271804 FFWEWX TXC507-272000- /O.NEW.KEWX.FF.W.0030.170927T1804Z-170927T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Austin/San Antonio TX 104 PM CDT WED SEP 27 2017 The National Weather Service in Austin San Antonio has issued a * Flash Flood Warning for... Zavala County in south central Texas... * Until 300 PM CDT * At 104 PM CDT, Doppler radar indicated widespread showers producing moderate to heavy rainfall across Zavala County, with radar precipitation estimates up to 2 inches in the past hour. The warned area has already received anywhere from 3 to 10 inches of rain in the past few days, meaning that additional rainfall will almost entirely become runoff. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... Crystal City, La Pryor, Batesville, Las Colonias, Cometa, Chula Vista-River Spur, Loma Vista and Washer. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 2865 10011 2908 10011 2909 9942 2864 9941 $$ BMW
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 8:34 PM CDT | River Flood Warning | EWX | Val Verde | 38 hr |
| Sep 26, 8:34 PM CDT | River Flood Warning | EWX | Val Verde | 32 hr |
| Sep 27, 2:19 AM CDT | Areal Flood Advisory | EWX | Dimmit, Frio, Zavala | 4 hr |
| Sep 27, 5:20 AM CDT | Areal Flood Advisory | EWX | Maverick | 4 hr |
| Sep 27, 6:11 AM CDT | Areal Flood Advisory | EWX | Dimmit, Frio, Zavala | 3 hr |
| Sep 27, 9:07 AM CDT | Areal Flood Advisory | EWX | Kinney, Uvalde | 6 hr |
| Sep 27, 9:19 AM CDT | Areal Flood Advisory | EWX | Dimmit, Frio, Maverick, Zavala | 6 hr |
| Sep 27, 9:43 AM CDT | River Flood Warning | EWX | Dimmit | 4 days |
| Sep 27, 12:05 PM CDT | Flash Flood Warning | EWX | Edwards, Kinney, Uvalde | 3 hr |
| Sep 27, 2:51 PM CDT | Flash Flood Warning | EWX | Uvalde, Zavala | 3 hr |
| Sep 27, 4:53 PM CDT | Areal Flood Advisory | EWX | Frio | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017
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.