Alert archive / Texas / River Flood Warnings in 2016

River Flood Warning 39, NWS Austin/San Antonio, TX

May 20, 2016Bexar County, Texas

NWS Austin/San Antonio, TX issued this river flood warning at May 20, 2016, 6:59 AM CDT for Bexar County, Texas. It was in force for 14 hr.

The area

The outline as issued.

The facts

Issued
May 20, 2016, 6:59 AM CDT (11:59 UTC)
Expired
May 20, 2016, 9:22 PM CDT
In force
14 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
Minor

County Bexar County, TX

The radar

The Austin/San Antonio radar (KEWX), 68 km from the middle of the area, began a volume at 11:59 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 Medina River at San Antonio US 281S (SAAT2). The gauge peaked at 20.72 ft at May 20, 2016, 9:00 AM CDT.

actionminormoderate1015202505/2005/2105/22
Action stage
16 ft
Minor stage
20 ft
Moderate stage
24 ft
Major stage
28 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08181500, 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.

164 
WGUS44 KEWX 201159
FLWEWX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
659 AM CDT FRI MAY 20 2016

...The National Weather Service in Austin/San Antonio has issued 
 a flood warning for the... 

  Medina River 
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor 
the latest forecasts, and be prepared to take necessary 
precautions to protect life and property. 
 
River stage forecasts are based on observed rainfall along with 
predicted rain for the next 12 hours. If actual rainfall varies 
from forecast values, forecast river stages will vary. 
 
Do not drive automobiles through flooded areas. Remember, 18 inches 
of water or less can carry away most vehicles, including trucks. 
 
If you see flood waters or come upon a flooded roadway, remember 
to turn around and do not drown. 
 
For the latest river stages and forecasts visit our web page at 
www.srh.noaa.gov/ewx.

&&

TXC029-202326-
/O.NEW.KEWX.FL.W.0039.160520T1159Z-160520T2326Z/
/SAAT2.1.ER.160520T0957Z.160520T1115Z.160520T1126Z.NO/
659 AM CDT FRI MAY 20 2016

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

* Flood Warning for 
  the Medina River At Hwy 281.
* until this evening...or until the warning is cancelled.
* At  6:15 AM Friday the stage was 20.3 feet.
* Flood stage is 20.0 feet.
* Forecast...The river will continue to fall to below flood stage by this 
  morning.
* Impact...At 20.0 feet...Minor lowland flooding reaches the Farm to Market 1937
  bridge floor..
* FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF 20.9 feet on May 24 
  2015.

&&


Below are the latest river stages and forecasts:


                    BF  FLD  Observed            Forecast 7AM
Location           STG  STG    STG    DAY TIME   Fri   Sat   Sun   Mon   Tue
  Hwy 281           16   20   20.3   Fri 06 AM  19.0   8.2   5.7   5.2   5.1


&&

LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838


$$
2 follow-up statements
198 
WGUS84 KEWX 201543
FLSEWX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1043 AM CDT FRI MAY 20 2016

...The flood warning continues for the following rivers in Texas...

  Medina River At Hwy 281 Affecting Bexar County
  San Antonio River Near Elmendorf Affecting Bexar and Wilson Counties
  Cibolo Creek Near Falls City Affecting Karnes County
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor 
the latest forecasts, and be prepared to take necessary 
precautions to protect life and property. 

River stage forecasts are based on observed rainfall along with 
predicted rain for the next 12 hours. If actual rainfall varies 
from forecast values, forecast river stages will vary. 

Do not drive automobiles through flooded areas. Remember, 18 inches 
of water or less can carry away most vehicles, including trucks. 

If you see flood waters or come upon a flooded roadway, remember 
to turn around and do not drown. 

For the latest river stages and forecasts visit our web page at 
www.srh.noaa.gov/ewx.

&&

TXC029-210610-
/O.EXT.KEWX.FL.W.0039.000000T0000Z-160521T0610Z/
/SAAT2.1.ER.160520T0957Z.160520T1430Z.160520T1810Z.NO/
1043 AM CDT FRI MAY 20 2016

 The flood warning continues for
  the Medina River At Hwy 281.
* At 10:15 AM Friday the stage was 20.7 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by Friday 
  afternoon.
* Impact...At 20.0 feet...Minor lowland flooding reaches the Farm to Market 1937
  bridge floor..

&& 

Below are the latest river stages and forecasts:
                    BF  FLD  Observed            Forecast 7AM
Location           STG  STG    STG    Day Time   Sat   Sun   Mon   Tue   Wed
 Hwy 281            16   20   20.7   Fri 10 AM   9.6   5.8   5.2   5.1   5.0


&&

LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838


$$

TXC029-493-210942-
/O.EXT.KEWX.FL.W.0030.000000T0000Z-160521T1406Z/
/ELMT2.2.ER.160518T1312Z.160520T0415Z.160521T0206Z.NO/
1043 AM CDT FRI MAY 20 2016

 The flood warning continues for
  the San Antonio River Near Elmendorf.
* At 10:30 AM Friday the stage was 38.9 feet.
* Flood stage is 35.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by Friday.
* 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..

&& 

Below are the latest river stages and forecasts:
                    BF  FLD  Observed            Forecast 7AM
Location           STG  STG    STG    Day Time   Sat   Sun   Mon   Tue   Wed
 Elmendorf          33   35   38.9   Fri 10 AM  29.5  18.7  16.6  15.7  15.1


&&

LAT...LON 2919 9838 2926 9835 2920 9817 2899 9804
      2894 9813 2915 9825             

$$

TXC255-210942-
/O.EXT.KEWX.FL.W.0031.000000T0000Z-160522T1538Z/
/FCTT2.1.ER.160519T2327Z.160520T0800Z.160522T0338Z.NO/
1043 AM CDT FRI MAY 20 2016

 The flood warning continues for
  the Cibolo Creek Near Falls City.
* At 10:15 AM Friday the stage was 18.7 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will rise to near 19.5 feet by Saturday afternoon.
  The river will fall below flood stage late Saturday evening.
* Impact...At 21.0 feet...Livestock are cut off and potentially drowned in low 
  areas below Stockdale to below Panna Maria. Lower areas of Goliad State Park 
  downstream flood..

&& 

Below are the latest river stages and forecasts:
                    BF  FLD  Observed            Forecast 7AM
Location           STG  STG    STG    Day Time   Sat   Sun   Mon   Tue   Wed
 Falls City          6   17   18.7   Fri 10 AM  18.8   8.4   3.2   1.9   1.8


&&

LAT...LON 2914 9803 2917 9794 2894 9780 2892 9790


$$

sbs
929 
WGUS84 KEWX 210222
FLSEWX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
922 PM CDT FRI MAY 20 2016

...The flood warning is cancelled for the following rivers in Texas...

  Medina River At Hwy 281 Affecting Bexar County
PRECAUTIONARY/PREPAREDNESS ACTIONS...

All persons with interests along the river should monitor 
the latest forecasts, and be prepared to take necessary 
precautions to protect life and property. 

River stage forecasts are based on observed rainfall along with 
predicted rain for the next 12 hours. If actual rainfall varies 
from forecast values, forecast river stages will vary. 

Do not drive automobiles through flooded areas. Remember, 18 inches 
of water or less can carry away most vehicles, including trucks. 

If you see flood waters or come upon a flooded roadway, remember 
to turn around and do not drown. 

For the latest river stages and forecasts visit our web page at 
www.srh.noaa.gov/ewx.

&&

TXC029-210252-
/O.CAN.KEWX.FL.W.0039.000000T0000Z-160521T0610Z/
/SAAT2.1.ER.160520T0957Z.160520T1430Z.160520T1840Z.NO/
922 PM CDT FRI MAY 20 2016

The flood warning is cancelled for
  the Medina River At Hwy 281.
* At  8:15 PM Friday the stage was 16.3 feet.
* Flood stage is 20.0 feet.
* Forecast...The river will continue to fall to 5.8 feet by Sunday morning.


&& 

Below are the latest river stages and forecasts:


                    BF  FLD  Observed            Forecast 7AM
Location           STG  STG    STG    Day Time   Sat   Sun   Mon   Tue   Wed
 Hwy 281            16   20   16.3   Fri  8 PM   9.1   5.8   5.3   5.1   5.1


&&

LAT...LON 2922 9857 2929 9857 2926 9835 2919 9838


$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 8:03 PM CDTRiver Flood WarningEWXFayette60 hr
May 19, 8:05 PM CDTRiver Flood WarningEWXTravis23 hr
May 19, 8:30 PM CDTRiver Flood WarningEWXGonzales56 hr
May 20, 4:19 AM CDTRiver Flood WarningEWXDeWitt53 hr
May 20, 10:51 AM CDTRiver Flood WarningEWXBastrop21 hr
May 20, 10:51 AM CDTRiver Flood WarningEWXBastrop, Fayette31 hr

Nearby

River Flood Warnings in Texas, 2016Every river flood warning in 2016

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.