Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 62, NWS Austin/San Antonio, TX

October 14, 20216 counties in Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Oct 14, 2021, 3:42 AM CDT for 6 counties in Texas. It was in force for 7 hr. 6 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 14, 2021, 3:42 AM CDT (08:42 UTC)
Expired: Oct 14, 2021, 10:39 AM CDT
In force: 7 hr
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Caldwell County, TX, Gonzales County, TX, Guadalupe County, TX, Karnes County, TX, Lavaca County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 47 km from the middle of the area, began a volume at 08:47 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
Oct 14, 7:01 AM CDT	FLASH FLOOD	3 Ene Gonzales, TX	THE TXDOT WEBSITE DRIVETEXAS.ORG IS SHOWING FM 532 EAST OF THE CITY OF GONZALES IS CLOSED DUE TO FLOODING.
Oct 14, 7:15 AM CDT	FLASH FLOOD	Gonzales, TX	TEXAS DIVISION OF EMERGENCY MANAGEMENT REPORTS SEVERAL WATER RESCUES FROM VEHICLES. MULTIPLE CREEKS ARE OUT OF BANKS ACROSS THE COUNTY.
Oct 14, 7:43 AM CDT	FLASH FLOOD	Seguin, TX	THE GUADALUPE COUNTY EMERGENCY MANAGEMENT REPORTS MULTIPLE ONGOING VEHICLE RESCUES ACROSS THE COUNTY, WITH MOST CREEKS SWOLLEN AND COMING OUT OF BANKS. MULTIPLE ROADS ARE FLOODED.
Oct 14, 8:24 AM CDT	FLASH FLOOD	Pandora, TX	THE TXDOT DRIVETEXAS.ORG WEBSITE SHOWS FM1107 CLOSED DUE TO FLOODING. IN ADDITION, FM1681 IS ALSO CLOSED DUE TO FLOODING.
Oct 14, 9:45 AM CDT	FLASH FLOOD	1 Ese Moulton, TX	TXDOT REPORTS FM 532 LAVACA RIVER IN MOULTON TX IS CLOSED DUE TO FLOODING.
Oct 14, 10:00 AM CDT	FLASH FLOOD	3 Sse Belmont, TX	TXDOT REPORTS FARM TO MARKET (FM) ROAD 466 AT DULLNIG CREEK IS CLOSED DUE THE ROAD WASHING OUT FROM FLASH FLOODING.

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, 8.7 hours before the alert went out and 193 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

036 
WGUS54 KEWX 140842
FFWEWX
TXC055-177-187-255-285-493-141145-
/O.NEW.KEWX.FF.W.0062.211014T0842Z-211014T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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

* Flash Flood Warning for...
  Southeastern Caldwell County in south central Texas...
  Gonzales County in south central Texas...
  Southeastern Guadalupe County in south central Texas...
  Northern Karnes County in south central Texas...
  Northwestern Lavaca County in south central Texas...
  Wilson County in south central Texas...

* Until 645 AM CDT.

* At 342 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 of 1 to 2 inches 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...
  Seguin, Gonzales, Floresville, Luling, Poth, Shiner, Stockdale, 
  Moulton, Kosciusko, Nixon, La Vernia, Waelder, Kingsbury, Falls 
  City, Smiley, New Berlin, Pandora, Palmeto State Park, Gillett, 
  and Sutherland Springs.

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 2945 9812 2947 9811 2991 9747 2964 9714
      2963 9714 2963 9713 2958 9707 2939 9724
      2914 9764 2890 9819 2912 9838

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

$$

BF

3 follow-up statements

685 
WGUS54 KEWX 141137
FFWEWX
TXC055-177-187-255-285-493-141345-
/O.EXT.KEWX.FF.W.0062.000000T0000Z-211014T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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

* Flash Flood Warning for...
  Southeastern Caldwell County in south central Texas...
  Gonzales County in south central Texas...
  Southeastern Guadalupe County in south central Texas...
  Northern Karnes County in south central Texas...
  Northwestern Lavaca County in south central Texas...
  Wilson County in south central Texas...

* Until 845 AM CDT.

* At 637 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 3 and 7 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...
  Seguin, Gonzales, Floresville, Luling, Poth, Shiner, Stockdale, 
  Moulton, Kosciusko, Nixon, La Vernia, Waelder, Kingsbury, Falls 
  City, Smiley, New Berlin, Pandora, Palmeto State Park, Gillett, 
  and Sutherland Springs.

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 2945 9812 2947 9811 2991 9747 2964 9714
      2963 9714 2963 9713 2958 9707 2939 9724
      2914 9764 2890 9819 2912 9838

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

$$

BF

616 
WGUS54 KEWX 141244
FFWEWX
TXC055-177-187-255-285-493-141545-
/O.EXT.KEWX.FF.W.0062.000000T0000Z-211014T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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

* Flash Flood Warning for...
  Southeastern Caldwell County in south central Texas...
  Gonzales County in south central Texas...
  Southeastern Guadalupe County in south central Texas...
  Northern Karnes County in south central Texas...
  Northwestern Lavaca County in south central Texas...
  Wilson County in south central Texas...

* Until 1045 AM CDT.

* At 744 AM CDT, Gauge reports indicated thunderstorms producing 
  heavy rain in the area. Between 5 and 8 inches of rain has fallen. 
  Additional rainfall amounts of 0.5 to 1 inch are possible. 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...
  Seguin, Gonzales, Floresville, Luling, Poth, Shiner, Stockdale, 
  Moulton, Kosciusko, Nixon, La Vernia, Waelder, Kingsbury, Falls 
  City, Smiley, New Berlin, Pandora, Palmeto State Park, Gillett and 
  Sutherland Springs.

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.

&&

LAT...LON 2945 9812 2947 9811 2991 9747 2964 9714
      2963 9714 2963 9713 2958 9707 2939 9724
      2914 9764 2890 9819 2912 9838

FLASH FLOOD...GAUGE INDICATED

$$

MORRIS

551 
WGUS74 KEWX 141539
FFSEWX

Flash Flood Statement
National Weather Service Austin/San Antonio TX
1039 AM CDT Thu Oct 14 2021

TXC055-177-187-255-285-493-141549-
/O.CAN.KEWX.FF.W.0062.000000T0000Z-211014T1545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Caldwell TX-Gonzales TX-Guadalupe TX-Karnes TX-Lavaca TX-Wilson TX-
1039 AM CDT Thu Oct 14 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN CALDWELL, 
GONZALES, SOUTHEASTERN GUADALUPE, NORTHERN KARNES, NORTHWESTERN 
LAVACA AND WILSON COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures especially at low water crossings.

LAT...LON 2945 9812 2947 9811 2991 9747 2964 9714
      2963 9714 2963 9713 2958 9707 2939 9724
      2914 9764 2890 9819 2912 9838

$$

MORRIS

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:44 PM CDT	Special Weather Statement	EWX	Kendall	46 min
Oct 13, 7:53 PM CDT	Areal Flood Advisory	EWX	Bandera, Kendall, Kerr	3 hr
Oct 13, 8:05 PM CDT	Tornado Warning	EWX	Blanco, Comal, Kendall	25 min
Oct 13, 8:21 PM CDT	Special Weather Statement	EWX	Williamson	39 min
Oct 13, 8:28 PM CDT	Special Weather Statement	EWX	Comal, Hays	47 min
Oct 13, 8:35 PM CDT	Areal Flood Advisory	EWX	Blanco	3 hr
Oct 13, 8:55 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Blanco, Kendall	6 hr
Oct 13, 9:25 PM CDT	Areal Flood Advisory	EWX	Bexar, Comal, Hays	3 hr
Oct 13, 9:49 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bexar, Comal	3 hr
Oct 13, 9:55 PM CDT	Areal Flood Advisory	EWX	Travis	3 hr
Oct 13, 10:24 PM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
Oct 13, 10:38 PM CDT	Areal Flood Advisory	EWX	Hays, Travis	3 hr
Oct 13, 10:52 PM CDT	River Flood Warning	EWX	Blanco, Hays	3 hr
Oct 13, 11:00 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Hays	6 hr
Oct 13, 11:49 PM CDT	Areal Flood Advisory	EWX	Bastrop, Travis, Williamson	4 hr
Oct 13, 11:59 PM CDT	Areal Flood Advisory	EWX	Bexar, Caldwell, Comal, Guadalupe	4 hr
Oct 14, 12:46 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Caldwell, Comal, Guadalupe, Hays	10 hr
Oct 14, 12:57 AM CDT	River Flood Warning	EWX	Hays	4 hr
Oct 14, 1:04 AM CDT	Flash Flood Warning	EWX	Bexar, Comal	4 hr
Oct 14, 1:11 AM CDT	Areal Flood Advisory	EWX	Caldwell, Gonzales, Guadalupe, Wilson	3 hr
Oct 14, 1:50 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	7 hr
Oct 14, 2:04 AM CDT	Special Weather Statement	EWX	Gonzales	41 min
Oct 14, 2:39 AM CDT	Special Weather Statement	EWX	Gonzales	51 min
Oct 14, 2:48 AM CDT	Tornado Warning	EWX	Gonzales, Lavaca	27 min
Oct 14, 3:11 AM CDT	River Flood Warning	EWX	Comal, Guadalupe	4 hr
Oct 14, 3:17 AM CDT	Areal Flood Advisory	EWX	Bastrop, Fayette, Lee	3 hr
Oct 14, 3:19 AM CDT	Tornado Warning	EWX	Gonzales, Lavaca	26 min
Oct 14, 3:39 AM CDT	Tornado Warning	EWX	Fayette, Gonzales, Lavaca	36 min
Oct 14, 4:13 AM CDT	River Flood Warning	EWX	Comal, Gonzales, Guadalupe	3 hr
Oct 14, 4:24 AM CDT	Severe Thunderstorm Warning	EWX	Fayette, Gonzales, Lavaca	66 min
Oct 14, 5:07 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Fayette	5 hr
Oct 14, 5:10 AM CDT	Severe Thunderstorm Warning	EWX	Lavaca	21 min
Oct 14, 5:36 AM CDT	River Flood Warning	EWX	Caldwell, Hays	8 hr
Oct 14, 5:36 AM CDT	River Flood Warning	EWX	Caldwell, Gonzales	38 hr
Oct 14, 6:27 AM CDT	Flash Flood Warning Considerable damage threat	EWX	DeWitt, Karnes, Lavaca	6 hr
Oct 14, 7:15 AM CDT	River Flood Warning	EWX	Travis	6 hr
Oct 14, 7:19 AM CDT	River Flood Warning	EWX	Gonzales	3 days
Oct 14, 7:52 AM CDT	River Flood Warning	EWX	Guadalupe	3 hr
Oct 14, 8:23 AM CDT	River Flood Warning	EWX	Bexar	7 hr
Oct 14, 8:28 AM CDT	River Flood Warning	EWX	Bexar	21 hr
Oct 14, 8:28 AM CDT	River Flood Warning	EWX	Bexar, Wilson	29 hr
Oct 14, 8:29 AM CDT	River Flood Warning	EWX	Bexar	12 hr
Oct 14, 9:10 AM CDT	River Flood Warning	EWX	DeWitt	3 days
Oct 14, 9:11 AM CDT	River Flood Warning	EWX	DeWitt	5 days
Oct 14, 10:54 AM CDT	River Flood Warning	EWX	Karnes, Wilson	33 hr
Oct 14, 10:55 AM CDT	River Flood Warning	EWX	Karnes	45 hr

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.