Alert archive / Texas / River Flood Warnings in 2021

River Flood Warning 31, NWS Austin/San Antonio, TX

October 14, 2021Comal County, Guadalupe County, Texas

NWS Austin/San Antonio, TX issued this river flood warning at Oct 14, 2021, 3:11 AM CDT for Comal County, Guadalupe County, Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Oct 14, 2021, 3:11 AM CDT (08:11 UTC)
Expired
Oct 14, 2021, 7:27 AM CDT
In force
4 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
Moderate

Counties Comal County, TX, Guadalupe County, TX

The radar

The Austin/San Antonio radar (KEWX), 8 km from the middle of the area, began a volume at 08:13 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 river

Written for the forecast point Guadalupe River above Comal River at New Braunfels (NBRT2). The gauge peaked at 12.48 ft at Oct 14, 2021, 4:00 AM CDT.

actionminormoderate51010/1410/15
Action stage
6 ft
Minor stage
7 ft
Moderate stage
10 ft
Major stage
14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08168500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

497 
WGUS44 KEWX 140811
FLWEWX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Austin/San Antonio TX
311 AM CDT Thu Oct 14 2021

...The National Weather Service in Austin/San Antonio TX has issued 
a Flood Warning for the following rivers in Texas...

  Guadalupe River At NB Abv Comal affecting Guadalupe and Comal 
  Counties.

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration for the following rivers in Texas...

  Guadalupe River At NB Below Comal affecting Guadalupe and Comal 
  Counties.

For the Guadalupe River...NB Abv Comal, New Braunfels, NB Below 
Comal...Moderate flooding is forecast.

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.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 315 PM CDT.

&&


TXC091-187-142015-
/O.NEW.KEWX.FL.W.0031.211014T0811Z-211014T2336Z/
/NBRT2.2.ER.211014T0727Z.211014T0900Z.211014T1136Z.NO/
311 AM CDT Thu Oct 14 2021

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

* Flood Warning for
  the Guadalupe River At NB Abv Comal.
* From early this morning to this evening.
* At 2:45 AM CDT Thursday the stage was 9.4 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 2:45 AM CDT Thursday was 9.4 feet.
* Forecast...The river will rise to 12.0 feet over the next hour or 
  so. It will then fall below flood stage this morning to 5.7 feet 
  and begin rising again this morning. It will rise to 6.3 feet late 
  this morning which is below flood stage. It will then fall again 
  and remain below flood stage.
* Impact...At 12.5 feet, Several sections of River Road flood. 
  Autos, gear and sleeping campers can wash downstream from low 
  banks adjacent to the river. Flow is well into the flood plain 
  through New Braunfels.
* Flood History...This crest compares to a previous crest of 11.8 
  feet on 05/05/1993.

&&


               Fld   Observed           Forecasts (3 am CDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Guadalupe River
NB Abv Comal   7.0   9.4   Thu 2 am CDT 3.1   2.6   2.4          





&&

LAT...LON 2972 9812 2974 9809 2971 9809 2969 9812

$$

TXC091-187-142015-
/O.EXT.KEWX.FL.W.0030.211014T0816Z-211015T0420Z/
/GBCT2.2.ER.211014T0816Z.211014T1000Z.211014T1620Z.NO/
311 AM CDT Thu Oct 14 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until late this evening...

The Flood Warning continues for
  the Guadalupe River At NB Below Comal.
* Until late this evening.
* At 2:00 AM CDT Thursday the stage was 12.1 feet.
* Flood stage is 13.0 feet.
* Moderate flooding is forecast.
* Forecast...The river will rise above flood stage this morning to 
  14.3 feet. It will then fall below flood stage late morning.
* Impact...At 14.0 feet, Moderate lowland flooding closes several 
  roads, streets and businesses in New Braunfels. Upstream River 
  Road is extremely dangerous.
* Flood History...This crest compares to a previous crest of 14.3 
  feet on 06/01/2016.

&&


               Fld   Observed           Forecasts (3 am CDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Guadalupe River
NB Below Comal 13.0  12.1  Thu 2 am CDT 10.9  10.0  9.8          





&&

LAT...LON 2969 9812 2971 9809 2963 9801 2958 9797
      2952 9801 2959 9807

$$

AAT
1 follow-up statement
294 
WGUS84 KEWX 141227
FLSEWX

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

...The Flood Warning is cancelled for the following rivers in 
Texas...

  Guadalupe River At NB Abv Comal affecting Guadalupe and Comal 
  Counties.

TXC091-187-141330-
/O.CAN.KEWX.FL.W.0031.000000T0000Z-211014T1227Z/
/NBRT2.2.ER.211014T0727Z.211014T0845Z.211014T1103Z.NO/
727 AM CDT Thu Oct 14 2021

...The Flood Warning for the Guadalupe River At NB Abv Comal has 
been cancelled...

The Flood Warning is cancelled for
  the Guadalupe River At NB Abv Comal.
* At 7:15 AM CDT Thursday the stage was 5.7 feet.
* Flood stage is 7.0 feet.
* Forecast...The river is expected to fall to 2.2 feet Tuesday 
  morning.

&&


               Fld   Observed           Forecasts (7 am CDT)     
Location       Stg   Stg   Day/Time     Fri   Sat   Sun          

Guadalupe River
NB Abv Comal   7.0   5.7   Thu 7 am CDT 2.9   2.6   2.4          





&&

LAT...LON 2972 9812 2974 9809 2971 9809 2969 9812

$$

HAMPSHIRE

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, 3:17 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, 5:07 AM CDTFlash Flood Warning Considerable damage threatEWXFayette5 hr
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

River Flood Warnings in Texas, 2021Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.