Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 63, NWS Austin/San Antonio, TX

October 14, 2021Fayette County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 14, 2021, 5:07 AM CDT for Fayette County, Texas. It was in force for 5 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
Oct 14, 2021, 5:07 AM CDT (10:07 UTC)
Expired
Oct 14, 2021, 10:00 AM CDT
In force
5 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Fayette County, TX

The radar

The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 10:07 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

TimeReportWhereRemark
Oct 14, 7:30 AM CDTFLASH FLOODLa Grange, TXREPORT FORWARDED VIA MEDIA FROM FAYETTE COUNTY SHERIFF. SEVERAL FAYETTE COUNTY ROADS UNDERWATER INCLUDING PORTIONS OF US-77 AND HWY 71 IN LA GRANGE. SEVERAL WATER RESCUES PERFORMED IN LA GRANGE AND ONE IN FLATONIA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 10.1 hours before the alert went out and 260 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, Corpus Christi, TX at 00:00Z on 2021-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1651 joules per kilogram.LCLLFCEL10008507005003002001001 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, Corpus Christi, TX at 00:00Z on 2021-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.19395878Sfc1 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
1651 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.7
Supercell composite
7.0

Open this sounding in Storm Lab

The text

As transmitted.

814 
WGUS54 KEWX 141007
FFWEWX
TXC149-141315-
/O.NEW.KEWX.FF.W.0063.211014T1007Z-211014T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
507 AM CDT Thu Oct 14 2021

The National Weather Service in Austin/San Antonio has issued a

* Flash Flood Warning for...
  Fayette County in south central Texas...

* Until 815 AM CDT.

* At 507 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts up to 1 inch are possible 
  in the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  La Grange, Schulenburg, Flatonia, Fayetteville, Round Top, 
  Muldoon, Cistern, Carmine, Plum, O'Quinn, Rabbs Prairie, Swiss 
  Alp, Ammannsville, Mullins Prairie, Freyburg, Rutersville, West 
  Point, Holman, High Hill, and Winchester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3015 9678 3014 9677 3015 9671 3016 9669
      3015 9668 3015 9665 3013 9665 3011 9663
      3008 9663 3004 9662 2996 9657 2979 9672
      2963 9687 2963 9712 2979 9730 3004 9702
      3012 9685

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

BF
2 follow-up statements
401 
WGUS54 KEWX 141303
FFWEWX
TXC149-141515-
/O.EXT.KEWX.FF.W.0063.000000T0000Z-211014T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Austin/San Antonio TX
803 AM CDT Thu Oct 14 2021

The National Weather Service in Austin/San Antonio has extended the

* Flash Flood Warning for...
  Fayette County in south central Texas...

* Until 1015 AM CDT.

* At 803 AM CDT, Gauge reports indicated thunderstorms produced 
  heavy rain in the area. Between 3 and 8 inches of rain have 
  fallen. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Gauges reported.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  La Grange, Schulenburg, Flatonia, Fayetteville, Round Top, 
  Muldoon, Cistern, Carmine, Plum, O'Quinn, Rabbs Prairie, Swiss 
  Alp, Ammannsville, Mullins Prairie, Freyburg, Rutersville, West 
  Point, Holman, High Hill and Winchester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3015 9678 3014 9677 3015 9671 3016 9669
      3015 9668 3015 9665 3013 9665 3011 9663
      3008 9663 3004 9662 2996 9657 2979 9672
      2963 9687 2963 9712 2979 9730 3004 9702
      3012 9685

FLASH FLOOD...GAUGE INDICATED

$$

MORRIS
166 
WGUS74 KEWX 141500
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
1000 AM CDT Thu Oct 14 2021

TXC149-141510-
/O.CAN.KEWX.FF.W.0063.000000T0000Z-211014T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fayette TX-
1000 AM CDT Thu Oct 14 2021

...FLASH FLOOD WARNING IS CANCELLED FOR FAYETTE COUNTY...

Flood waters are receding. Please continue to heed remaining road 
closures and avoid low water crossings and the usual flood prone 
roads.

LAT...LON 3015 9678 3014 9677 3015 9671 3016 9669
      3015 9668 3015 9665 3013 9665 3011 9663
      3008 9663 3004 9662 2996 9657 2979 9672
      2963 9687 2963 9712 2979 9730 3004 9702
      3012 9685

$$

MORRIS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 7:44 PM CDTSpecial Weather StatementEWXKendall46 min
Oct 13, 7:53 PM CDTAreal Flood AdvisoryEWXBandera, Kendall, Kerr3 hr
Oct 13, 8:05 PM CDTTornado WarningEWXBlanco, Comal, Kendall25 min
Oct 13, 8:21 PM CDTSpecial Weather StatementEWXWilliamson39 min
Oct 13, 8:28 PM CDTSpecial Weather StatementEWXComal, Hays47 min
Oct 13, 8:35 PM CDTAreal Flood AdvisoryEWXBlanco3 hr
Oct 13, 8:55 PM CDTFlash Flood Warning Considerable damage threatEWXBlanco, Kendall6 hr
Oct 13, 9:25 PM CDTAreal Flood AdvisoryEWXBexar, Comal, Hays3 hr
Oct 13, 9:49 PM CDTFlash Flood Warning Considerable damage threatEWXBexar, Comal3 hr
Oct 13, 9:55 PM CDTAreal Flood AdvisoryEWXTravis3 hr
Oct 13, 10:24 PM CDTAreal Flood AdvisoryEWXWilliamson3 hr
Oct 13, 10:38 PM CDTAreal Flood AdvisoryEWXHays, Travis3 hr
Oct 13, 10:52 PM CDTRiver Flood WarningEWXBlanco, Hays3 hr
Oct 13, 11:00 PM CDTFlash Flood Warning Considerable damage threatEWXHays6 hr
Oct 13, 11:49 PM CDTAreal Flood AdvisoryEWXBastrop, Travis, Williamson4 hr
Oct 13, 11:59 PM CDTAreal Flood AdvisoryEWXBexar, Caldwell, Comal, Guadalupe4 hr
Oct 14, 12:46 AM CDTFlash Flood Warning Considerable damage threatEWXCaldwell, Comal, Guadalupe, Hays10 hr
Oct 14, 12:57 AM CDTRiver Flood WarningEWXHays4 hr
Oct 14, 1:04 AM CDTFlash Flood WarningEWXBexar, Comal4 hr
Oct 14, 1:11 AM CDTAreal Flood AdvisoryEWXCaldwell, Gonzales, Guadalupe, Wilson3 hr
Oct 14, 1:50 AM CDTRiver Flood WarningEWXComal, Guadalupe7 hr
Oct 14, 2:04 AM CDTSpecial Weather StatementEWXGonzales41 min
Oct 14, 2:39 AM CDTSpecial Weather StatementEWXGonzales51 min
Oct 14, 2:48 AM CDTTornado WarningEWXGonzales, Lavaca27 min
Oct 14, 3:11 AM CDTRiver Flood WarningEWXComal, Guadalupe4 hr
Oct 14, 3:17 AM CDTAreal Flood AdvisoryEWXBastrop, Fayette, Lee3 hr
Oct 14, 3:19 AM CDTTornado WarningEWXGonzales, Lavaca26 min
Oct 14, 3:39 AM CDTTornado WarningEWXFayette, Gonzales, Lavaca36 min
Oct 14, 3:42 AM CDTFlash Flood Warning Considerable damage threatEWXCaldwell, Gonzales, Guadalupe, Karnes, Lavaca, Wilson7 hr
Oct 14, 4:13 AM CDTRiver Flood WarningEWXComal, Gonzales, Guadalupe3 hr
Oct 14, 4:24 AM CDTSevere Thunderstorm WarningEWXFayette, Gonzales, Lavaca66 min
Oct 14, 5:10 AM CDTSevere Thunderstorm WarningEWXLavaca21 min
Oct 14, 5:36 AM CDTRiver Flood WarningEWXCaldwell, Hays8 hr
Oct 14, 5:36 AM CDTRiver Flood WarningEWXCaldwell, Gonzales38 hr
Oct 14, 6:27 AM CDTFlash Flood Warning Considerable damage threatEWXDeWitt, Karnes, Lavaca6 hr
Oct 14, 7:15 AM CDTRiver Flood WarningEWXTravis6 hr
Oct 14, 7:19 AM CDTRiver Flood WarningEWXGonzales3 days
Oct 14, 7:52 AM CDTRiver Flood WarningEWXGuadalupe3 hr
Oct 14, 8:23 AM CDTRiver Flood WarningEWXBexar7 hr
Oct 14, 8:28 AM CDTRiver Flood WarningEWXBexar21 hr
Oct 14, 8:28 AM CDTRiver Flood WarningEWXBexar, Wilson29 hr
Oct 14, 8:29 AM CDTRiver Flood WarningEWXBexar12 hr
Oct 14, 9:10 AM CDTRiver Flood WarningEWXDeWitt3 days
Oct 14, 9:11 AM CDTRiver Flood WarningEWXDeWitt5 days
Oct 14, 10:54 AM CDTRiver Flood WarningEWXKarnes, Wilson33 hr
Oct 14, 10:55 AM CDTRiver Flood WarningEWXKarnes45 hr

Nearby

Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021

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.