Alert archive / Texas / Flash Flood Warnings in 2018

Flash Flood Warning 55, NWS Austin/San Antonio, TX

October 15, 20184 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 15, 2018, 11:18 AM CDT for 4 counties in Texas. It was in force for 3 hr. 2 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
Oct 15, 2018, 11:18 AM CDT (16:18 UTC)
Expired
Oct 15, 2018, 2:15 PM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Edwards County, TX, Kinney County, TX, Real County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 43 km from the middle of the area, began a volume at 16:19 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

TimeReportWhereRemark
Oct 15, 1:02 PM CDTFLASH FLOOD1 Nnw Camp Wood, TXSTATE HIGHWAY 55 CLOSED DUE TO FLASH FLOODING.
Oct 15, 1:02 PM CDTFLASH FLOOD2 N Barksdale, TXNWS SPOTTER REPORTED THAT RANCH ROAD 335 NORTH OF BARKSDALE HAS BEEN 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, 4.3 hours before the alert went out and 81 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 12:00Z on 2018-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2018-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
579 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.0

Open this sounding in Storm Lab

The text

As transmitted.

920 
WGUS54 KEWX 151618
FFWEWX
TXC137-271-385-463-151915-
/O.NEW.KEWX.FF.W.0055.181015T1618Z-181015T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
1118 AM CDT MON OCT 15 2018

The National Weather Service in Austin San Antonio has issued a

* Flash Flood Warning for...
  Northeastern Kinney County in south central Texas...
  Northwestern Uvalde County in south central Texas...
  South central Edwards County in south central Texas...
  Southwestern Real County in south central Texas...

* Until 215 PM CDT

* At 1114 AM CDT, Doppler radar indicated a line of moderate to 
  localized showers and isolated thunderstorms affecting areas 
  across the Rio Grande Plains and Edwards Plateau, especially those 
  above mentioned. Up to three inches of rain have already fallen 
  the last three hours. Flash flooding may be occurring or about to 
  happen over some of these areas as showers continue and more to 
  come within the next few hours.

* Some locations that will experience flooding include...
  Camp Wood, Barksdale and Montell. 

Additional rainfall amounts of one to two inches are possible in 
some parts of the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2967 9984 2937 10022 2951 10037 2982 10000

$$
3 follow-up statements
469 
WGUS74 KEWX 151656
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
1156 AM CDT MON OCT 15 2018

TXC137-271-385-463-151915-
/O.CON.KEWX.FF.W.0055.000000T0000Z-181015T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kinney TX-Uvalde TX-Edwards TX-Real TX-
1156 AM CDT MON OCT 15 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHEASTERN KINNEY...NORTHWESTERN UVALDE...SOUTH CENTRAL EDWARDS AND
SOUTHWESTERN REAL COUNTIES...

At 1153 AM CDT, Doppler radar indicated moderate showers with 
estimated rain rates of one to two inches per hour affecting some 
areas under the Flash Flood Warning. Up to three inches of rain have 
already fallen over some of these areas past three hours. Flash 
flooding may be occurring or about to occur over some locations.

Some locations that will experience flooding include...
Camp Wood, Barksdale and Montell. 

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.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2967 9984 2937 10022 2951 10037 2982 10000

$$
975 
WGUS74 KEWX 151831
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
131 PM CDT MON OCT 15 2018

TXC137-271-385-463-151915-
/O.CON.KEWX.FF.W.0055.000000T0000Z-181015T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kinney TX-Uvalde TX-Edwards TX-Real TX-
131 PM CDT MON OCT 15 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR
NORTHEASTERN KINNEY...NORTHWESTERN UVALDE...SOUTH CENTRAL EDWARDS AND
SOUTHWESTERN REAL COUNTIES...

At 125 PM CDT, Doppler radar indicated light rain across the warned 
area. However, up to three inches of rainfall has fallen over some 
areas, resulting in street closures. 

Some locations that are experiencing flash flooding include Camp Wood and Barksdale.

Additional rainfall amounts of one quarter to one half inch are 
possible in the warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 2967 9984 2937 10022 2951 10037 2982 10000

$$
543 
WGUS74 KEWX 151910
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
210 PM CDT MON OCT 15 2018

TXC137-271-385-463-151915-
/O.EXP.KEWX.FF.W.0055.000000T0000Z-181015T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kinney TX-Uvalde TX-Edwards TX-Real TX-
210 PM CDT MON OCT 15 2018

...THE FLASH FLOOD WARNING FOR NORTHEASTERN KINNEY...NORTHWESTERN
UVALDE...SOUTH CENTRAL EDWARDS AND SOUTHWESTERN REAL COUNTIES WILL
EXPIRE AT 215 PM CDT...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat for the next several hours. Please continue to heed any 
remaining road closures.

LAT...LON 2967 9984 2937 10022 2951 10037 2982 10000

$$

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 12:36 AM CDTAreal Flood AdvisoryEWXVal Verde114 min
Oct 15, 2:23 AM CDTAreal Flood AdvisoryEWXLlano2 hr
Oct 15, 2:24 AM CDTAreal Flood AdvisoryEWXVal Verde2 hr
Oct 15, 3:04 AM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Val Verde116 min
Oct 15, 4:15 AM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Maverick2 hr
Oct 15, 4:34 AM CDTAreal Flood AdvisoryEWXEdwards, Real116 min
Oct 15, 5:36 AM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Real, Uvalde114 min
Oct 15, 5:40 AM CDTAreal Flood AdvisoryEWXAtascosa, Bexar, Wilson2 hr
Oct 15, 6:07 AM CDTAreal Flood AdvisoryEWXBexar, Gonzales, Guadalupe, Karnes, Wilson113 min
Oct 15, 7:31 AM CDTAreal Flood AdvisoryEWXBandera, Real3 hr
Oct 15, 8:02 AM CDTAreal Flood AdvisoryEWXBexar, Caldwell, DeWitt, Gonzales, Guadalupe, Karnes and 1 more5 hr
Oct 15, 8:25 AM CDTRiver Flood WarningEWXUvalde43 hr
Oct 15, 8:25 AM CDTRiver Flood WarningEWXUvalde55 hr
Oct 15, 8:25 AM CDTRiver Flood WarningEWXFrio6 days
Oct 15, 8:37 AM CDTAreal Flood AdvisoryEWXBurnet, Gillespie, Llano6 hr
Oct 15, 9:27 AM CDTRiver Flood WarningEWXUvalde35 hr
Oct 15, 9:27 AM CDTRiver Flood WarningEWXUvalde35 hr
Oct 15, 10:11 AM CDTRiver Flood WarningEWXLlano64 hr
Oct 15, 10:19 AM CDTAreal Flood AdvisoryEWXBandera, Edwards, Gillespie, Kerr, Kinney, Real and 1 more3 hr
Oct 15, 10:43 AM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Hays, Lee, Travis, Williamson3 hr
Oct 15, 12:41 PM CDTAreal Flood AdvisoryEWXBexar3 hr
Oct 15, 1:19 PM CDTAreal Flood AdvisoryEWXFayette, Lavaca3 hr
Oct 15, 2:29 PM CDTAreal Flood AdvisoryEWXBurnet, Gillespie, Llano3 hr
Oct 15, 2:42 PM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Real, Uvalde3 hr
Oct 15, 2:47 PM CDTAreal Flood AdvisoryEWXBlanco3 hr
Oct 15, 4:16 PM CDTAreal Flood AdvisoryEWXBandera, Kerr, Real119 min
Oct 15, 5:45 PM CDTAreal Flood AdvisoryEWXGillespie, Kerr, Llano6 hr
Oct 15, 6:29 PM CDTFlash Flood WarningEWXGillespie, Llano6 hr
Oct 15, 6:40 PM CDTAreal Flood AdvisoryEWXBandera, Edwards, Kerr, Kinney, Real, Uvalde6 hr

Nearby

Flash Flood Warnings in Texas, 2018Every flash flood warning in 2018

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.