Alert archive / Texas / River Flood Warnings in 2021

River Flood Warning 3, NWS Austin/San Antonio, TX

May 1, 2021Bexar County, Wilson County, Texas

NWS Austin/San Antonio, TX issued this river flood warning at May 1, 2021, 2:07 PM CDT for Bexar County, Wilson County, Texas. It took effect at May 1, 2021, 7:30 PM CDT. It was in force for 35 hr.

The area

The outline as issued.

The facts

Issued: May 1, 2021, 2:07 PM CDT (19:07 UTC)
In effect from: May 1, 2021, 7:30 PM CDT
Expired: May 3, 2021, 6:54 AM CDT
In force: 35 hr
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Flood severity: Moderate

Counties Bexar County, TX, Wilson County, TX

The radar

The Austin/San Antonio radar (KEWX), 62 km from the middle of the area, began a volume at 19:07 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.

The river

Written for the forecast point San Antonio River at Elmendorf (ELMT2). The gauge peaked at 39.59 ft at May 2, 2021, 12:00 AM CDT.

Action stage: 33 ft
Minor stage: 35 ft
Moderate stage: 39 ft
Major stage: 48 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08181800, 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.

417 
WGUS44 KEWX 011907
FLWEWX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Austin/San Antonio TX
207 PM CDT Sat May 1 2021

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

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including I-35, at Loop 13, Elmendorf, 
Floresville, near Falls City, Hwy 72 near Runge...Moderate flooding 
is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight around 215 AM CDT.

&&


TXC029-493-020715-
/O.NEW.KEWX.FL.W.0003.210502T0030Z-210503T2300Z/
/ELMT2.2.ER.210502T0030Z.210502T0600Z.210503T1100Z.NO/
207 PM CDT Sat May 1 2021

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

* Flood Warning for
  the San Antonio River Near Elmendorf.
* From this evening to Monday evening.
* At 1:30 PM CDT Saturday the stage was 29.3 feet.
* Flood stage is 35.0 feet.
* Moderate flooding is forecast.
* Forecast...The river is expected to rise above flood stage this 
  evening to a crest of 42.3 feet just after midnight tonight. It 
  will then fall below flood stage Monday morning.
* Impact...At 43.0 feet, Moderate lowland flooding inundates and 
  damages crop and pastureland below San Antonio to below 
  Floresville. Numerous roads and bridges are flooded. Oil well pump 
  jacks and irrigation pumps are flooded and damaged.
* Flood History...This crest compares to a previous crest of 42.6 
  feet on 06/24/1997.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

PLATT

6 follow-up statements

329 
WGUS84 KEWX 020242
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
942 PM CDT Sat May 1 2021

...The Flood Warning continues for the following rivers in Texas...

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including I-35, at Loop 13, Elmendorf, 
Floresville, near Falls City, Hwy 72 near Runge...Moderate flooding 
is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued Sunday morning at 945 AM CDT.

&&


TXC029-493-021445-
/O.EXT.KEWX.FL.W.0003.000000T0000Z-210503T1720Z/
/ELMT2.2.ER.210501T2242Z.210502T0400Z.210503T0520Z.NO/
942 PM CDT Sat May 1 2021

...The Flood Warning is now in effect until early Monday afternoon...

The Flood Warning continues for
  the San Antonio River Near Elmendorf.
* Until Monday afternoon.
* At 8:30 PM CDT Saturday the stage was 38.5 feet.
* Flood stage is 35.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:30 PM CDT Saturday was 38.5 feet.
* Forecast...The river will rise to 41.2 feet just after midnight 
  tonight. It will then fall to 38.6 feet early tomorrow afternoon. 
  It will then fall below flood stage early Monday morning.
* Impact...At 43.0 feet, Moderate lowland flooding inundates and 
  damages crop and pastureland below San Antonio to below 
  Floresville. Numerous roads and bridges are flooded. Oil well pump 
  jacks and irrigation pumps are flooded and damaged.
* Flood History...This crest compares to a previous crest of 40.1 
  feet on 06/01/1987.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

PLATT

335 
WGUS84 KEWX 020844 RRA
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
344 AM CDT Sun May 2 2021

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

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including I-35, at Loop 13, Elmendorf, 
Floresville, near Falls City, Hwy 72 nr Runge...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 345 PM CDT.

&&


TXC029-493-022045-
/O.EXT.KEWX.FL.W.0003.000000T0000Z-210503T1600Z/
/ELMT2.2.ER.210501T2242Z.210502T0515Z.210503T0400Z.NO/
344 AM CDT Sun May 2 2021

...Observed flooding increased from Minor to Moderate severity and 
increased in duration until late tomorrow morning...

The Flood Warning continues for
  the San Antonio River Near Elmendorf.
* Until Monday morning.
* At 3:30 AM CDT Sunday the stage was 39.4 feet.
* Flood stage is 35.0 feet.
* Moderate flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 3:30 AM CDT Sunday was 39.6 feet.
* Forecast...The river is expected to fall below flood stage late 
  this evening and continue falling to 11.7 feet early Friday 
  morning.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and 
  floods pastureland below San Antonio to below Floresville. 
  Secondary roads and low bridges, irrigation pumps, oil field pump 
  jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 39.1 
  feet on 12/22/1991.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

HAMPSHIRE

072 
WGUS84 KEWX 021337
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
837 AM CDT Sun May 2 2021

...The Flood Warning continues for the following rivers in Texas...

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including I-35, at Loop 13, Elmendorf, 
Floresville, near Falls City, Hwy 72 nr Runge...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 845 PM CDT.

&&


TXC029-493-030145-
/O.CON.KEWX.FL.W.0003.000000T0000Z-210503T1600Z/
/ELMT2.2.ER.210501T2242Z.210502T0515Z.210503T0400Z.NO/
837 AM CDT Sun May 2 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the San Antonio River Near Elmendorf.
* Until Monday morning.
* At 7:30 AM CDT Sunday the stage was 39.1 feet.
* Flood stage is 35.0 feet.
* Moderate flooding is occurring and minor flooding is forecast.
* Forecast...The river has crested and will continue to fall. It is 
  expected to fall below flood stage late this evening.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and 
  floods pastureland below San Antonio to below Floresville. 
  Secondary roads and low bridges, irrigation pumps, oil field pump 
  jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 39.1 
  feet on 12/22/1991.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

CP

957 
WGUS84 KEWX 021900
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
200 PM CDT Sun May 2 2021

...The Flood Warning continues for the following rivers in Texas...

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including I-35, at Loop 13, Elmendorf, 
Floresville, near Falls City, Hwy 72 nr Runge...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 200 AM CDT.

&&


TXC029-493-030700-
/O.CON.KEWX.FL.W.0003.000000T0000Z-210503T1600Z/
/ELMT2.1.ER.210501T2242Z.210502T0515Z.210503T0400Z.NO/
200 PM CDT Sun May 2 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the San Antonio River Near Elmendorf.
* Until Monday morning.
* At 12:30 PM CDT Sunday the stage was 38.7 feet.
* Flood stage is 35.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage late 
  this evening.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and 
  floods pastureland below San Antonio to below Floresville. 
  Secondary roads and low bridges, irrigation pumps, oil field pump 
  jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 39.1 
  feet on 12/22/1991.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

CP

373 
WGUS84 KEWX 030136
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
836 PM CDT Sun May 2 2021

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

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

For the San Antonio River...including Elmendorf...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 find another route 
over higher ground.

Additional information is available at www.weather.gov.

The next statement will be issued Monday morning at 845 AM CDT.

&&


TXC029-493-031345-
/O.EXT.KEWX.FL.W.0003.000000T0000Z-210503T1800Z/
/ELMT2.2.ER.210501T2242Z.210502T1415Z.210503T0600Z.NO/
836 PM CDT Sun May 2 2021

...The Flood Warning is now in effect until early tomorrow 
afternoon...

The Flood Warning continues for
  the San Antonio River Near Elmendorf.
* Until Monday afternoon.
* At 7:30 PM CDT Sunday the stage was 37.5 feet.
* Flood stage is 35.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 7:30 PM CDT Sunday was 39.0 feet.
* Forecast...The river has crested and will fall below flood stage 
  just after midnight tonight.
* Impact...At 39.0 feet, Moderate lowland flooding damages crops and 
  floods pastureland below San Antonio to below Floresville. 
  Secondary roads and low bridges, irrigation pumps, oil field pump 
  jacks and tank batteries flood. Livestock are cut off in low areas.
* Flood History...This crest compares to a previous crest of 37.2 
  feet on 06/29/1995.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

PLATT

111 
WGUS84 KEWX 031154
FLSEWX

Flood Statement
National Weather Service Austin/San Antonio TX
654 AM CDT Mon May 3 2021

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

  San Antonio River Near Elmendorf affecting Bexar and Wilson 
  Counties.

TXC029-493-031300-
/O.CAN.KEWX.FL.W.0003.000000T0000Z-210503T1154Z/
/ELMT2.2.ER.210501T2242Z.210502T1415Z.210503T0655Z.NO/
654 AM CDT Mon May 3 2021

...The Flood Warning for the San Antonio River Near Elmendorf has 
been cancelled...

The Flood Warning is cancelled for
  the San Antonio River Near Elmendorf.
* At 6:30 AM CDT Monday the stage was 32.4 feet.
* Flood stage is 35.0 feet.
* Forecast...The river is expected to fall to 11.5 feet Friday 
  evening.


&&

LAT...LON 2919 9838 2926 9835 2924 9821 2918 9813
      2911 9820 2918 9826

$$

HAMPSHIRE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 8:01 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Comal	2 hr
Apr 30, 8:17 PM CDT	Special Weather Statement	EWX	Terrell	28 min
Apr 30, 8:22 PM CDT	Areal Flood Advisory	EWX	Bexar, Guadalupe, Wilson	50 min
Apr 30, 9:12 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bexar, Guadalupe, Wilson	3 hr
Apr 30, 11:59 PM CDT	Areal Flood Advisory	EWX	Lavaca	3 hr
May 1, 3:09 AM CDT	Areal Flood Advisory	EWX	Lavaca	51 min
May 1, 3:57 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Lavaca	3 hr
May 1, 8:10 AM CDT	Special Weather Statement	EWX	Maverick	35 min
May 1, 8:23 AM CDT	Special Weather Statement	EWX	Dimmit	52 min
May 1, 9:10 AM CDT	Special Weather Statement	EWX	Dimmit	35 min
May 1, 9:24 AM CDT	Special Weather Statement	EWX	Zavala	36 min
May 1, 9:55 AM CDT	Areal Flood Advisory	EWX	Kinney, Maverick, Uvalde, Val Verde, Zavala	3 hr
May 1, 10:02 AM CDT	Special Weather Statement	EWX	Uvalde, Zavala	43 min
May 1, 10:36 AM CDT	Special Weather Statement	EWX	Frio, Medina, Uvalde	54 min
May 1, 10:49 AM CDT	Areal Flood Advisory	EWX	Bandera, Frio, Medina	3 hr
May 1, 11:15 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Medina, Uvalde	4 hr
May 1, 11:18 AM CDT	Areal Flood Advisory	EWX	Uvalde	3 hr
May 1, 11:31 AM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Medina	59 min
May 1, 11:44 AM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kerr, Medina	4 hr
May 1, 12:01 PM CDT	Areal Flood Advisory	EWX	Atascosa	3 hr
May 1, 12:09 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bexar	4 hr
May 1, 12:30 PM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Wilson	45 min
May 1, 12:40 PM CDT	River Flood Warning	EWX	Bexar	32 hr
May 1, 1:03 PM CDT	Areal Flood Advisory	EWX	Comal	3 hr
May 1, 1:14 PM CDT	Special Weather Statement	EWX	Comal, Guadalupe, Karnes, Wilson	61 min
May 1, 1:22 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Comal, Guadalupe, Wilson	3 hr
May 1, 1:52 PM CDT	Areal Flood Advisory	EWX	Gillespie, Kendall	3 hr
May 1, 2:07 PM CDT	Special Weather Statement	EWX	Caldwell, Gonzales, Guadalupe	38 min
May 1, 2:27 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Caldwell, Hays	3 hr
May 1, 2:44 PM CDT	Areal Flood Advisory	EWX	Gonzales	3 hr
May 1, 2:58 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Bastrop, Travis	3 hr
May 1, 3:11 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Gonzales	3 hr
May 1, 3:39 PM CDT	Areal Flood Advisory	EWX	Lee, Williamson	3 hr
May 1, 4:11 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Williamson	3 hr
May 1, 4:14 PM CDT	Areal Flood Advisory	EWX	Bexar	2 hr
May 1, 4:25 PM CDT	Areal Flood Advisory	EWX	Lavaca	3 hr
May 1, 4:31 PM CDT	Special Weather Statement	EWX	Bandera, Kerr	44 min
May 1, 6:13 PM CDT	Areal Flood Advisory	EWX	Bandera, Gillespie, Kendall, Kerr	3 hr
May 1, 6:53 PM CDT	Areal Flood Advisory	EWX	Gillespie, Kendall	3 hr

Nearby

River Flood Warnings in Texas, 2021 Every 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.