Alert archive / Texas / Flash Flood Warnings in 2014
Flash Flood Warning 40, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Aug 18, 2014, 9:53 PM CDT for Bandera County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2014, 9:53 PM CDT (02:53 UTC)
- Expired
- Aug 19, 2014, 12:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Bandera County, TX
The radar
The Laughlin AFB radar (KDFX), 104 km from the middle of the area, began a volume at 02:52 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.
The nearest sounding before it
Del Rio, TX (KDLF), launched 00:00Z, 2.9 hours before the alert went out and 149 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
- 1083 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 2218 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
758 WGUS54 KEWX 190253 FFWEWX TXC019-190545- /O.NEW.KEWX.FF.W.0040.140819T0253Z-140819T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 953 PM CDT MON AUG 18 2014 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL BANDERA COUNTY IN SOUTH CENTRAL TEXAS... THIS INCLUDES THE CITY OF MEDINA... * UNTIL 1245 AM CDT * AT 947 PM CDT...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM OVER THE WARNED AREA. * THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. && LAT...LON 2988 9953 2988 9918 2964 9910 2964 9956 $$
2 follow-up statements
568 WGUS74 KEWX 190340 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1040 PM CDT MON AUG 18 2014 TXC019-190545- /O.CON.KEWX.FF.W.0040.000000T0000Z-140819T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BANDERA TX- 1040 PM CDT MON AUG 18 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR CENTRAL BANDERA COUNTY... AT 1032 PM CDT...NWS METEOROLOGISTS CONTINUED TO DETECT SHOWERS AND THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. RAINFALL AMOUNTS OF ONE TO TWO INCHES PER HOUR WILL CONTINUE. AT THE MEDINA RIVER AT PATTERSON ROAD IN MEDINA THE USGS RAINFALL GAGE HAS REPORTED 1.45 INCHES IN THE PAST HOUR. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MEDINA PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. && LAT...LON 2988 9953 2988 9918 2964 9910 2964 9956 $$
404 WGUS74 KEWX 190537 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1237 AM CDT TUE AUG 19 2014 TXC019-190547- /O.EXP.KEWX.FF.W.0040.000000T0000Z-140819T0545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BANDERA TX- 1237 AM CDT TUE AUG 19 2014 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM CDT FOR CENTRAL BANDERA COUNTY... LAT...LON 2988 9953 2988 9918 2964 9910 2964 9956 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:42 PM CDT | Special Weather Statement | EWX | Val Verde | 48 min |
| Aug 18, 8:48 PM CDT | Special Weather Statement | EWX | Val Verde | 42 min |
| Aug 18, 9:29 PM CDT | Special Weather Statement | EWX | Bandera | 46 min |
| Aug 18, 10:08 PM CDT | Areal Flood Advisory | EWX | Medina, Uvalde | 112 min |
| Aug 18, 11:08 PM CDT | Areal Flood Advisory | EWX | Uvalde | 112 min |
| Aug 18, 11:13 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Aug 18, 11:30 PM CDT | Special Weather Statement | EWX | Bexar, Medina | 60 min |
| Aug 19, 12:55 AM CDT | Areal Flood Advisory | EWX | Edwards, Kerr, Real | 2 hr |
| Aug 19, 1:38 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 3 hr |
| Aug 19, 2:08 AM CDT | Special Weather Statement | EWX | Kinney | 52 min |
| Aug 19, 3:00 AM CDT | Areal Flood Advisory | EWX | Edwards, Kinney, Real, Uvalde | 2 hr |
| Aug 19, 3:11 AM CDT | Flash Flood Warning | EWX | Bandera, Uvalde | 3 hr |
| Aug 19, 6:57 AM CDT | Areal Flood Advisory | EWX | Uvalde | 2 hr |
| Aug 19, 7:21 AM CDT | Areal Flood Advisory | EWX | Bandera, Medina | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.