River Flood Warning 21, NWS Austin/San Antonio, TX

Issued

Oct 4, 2009, 12:35 PM CDT (17:35 UTC)

Expired

Oct 4, 2009, 4:22 PM CDT

In force

4 hr

Issued by

NWS Austin/San Antonio, TX

Flood severity

Moderate

Counties Comal County, TX, Guadalupe County, TX

The Austin/San Antonio radar (KEWX), 8 km from the middle of the area, began a volume at 17:37 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.

Written for the forecast point Guadalupe River below Comal (GBCT2). The gauge peaked at 13.84 ft at Oct 4, 2009, 12:00 PM CDT.

Action stage

13 ft

Minor stage

13 ft

Moderate stage

14 ft

Major stage

20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 08169500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

000 
WGUS44 KEWX 041735
FLWEWX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1235 PM CDT SUN OCT 04 2009

...THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED 
 A FLOOD WARNING FOR THE... 

  GUADALUPE RIVER 
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST FOR THE NEXT 
6-12 HOURS.

&&

TXC091-187-051135-
/O.NEW.KEWX.FL.W.0021.091004T1735Z-091005T1509Z/
/GBCT2.2.ER.091004T1447Z.091004T1900Z.091005T0309Z.NO/
1235 PM CDT SUN OCT 04 2009

 THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A 

* FLOOD WARNING FOR 
  THE GUADALUPE RIVER AT NB BLO COMAL.
* UNTIL MONDAY MORNING...OR UNTIL THE WARNING IS CANCELLED.
* AT 11:45 AM SUNDAY THE STAGE WAS 13.8 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FLOOD STAGE IS 13.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 14.4 FEET BY THIS AFTERNOON.
  THE RIVER WILL FALL BELOW FLOOD STAGE TONIGHT.
* IMPACT...AT 14.0 FEET...MODERATE LOWLAND FLOODING CLOSES SEVERAL ROADS...
  STREETS AND BUSINESSES IN NEW BRAUNFELS - UPSTREAM RIVER ROAD IS EXTREMELY 
  DANGEROUS.

&&


BELOW ARE THE LATEST RIVER STAGES AND FORECASTS:
                    BF  FLD   OBSERVED            FORECAST 7AM
LOCATION           STG  STG    STG    DAY TIME   MON   TUE   WED   THU   FRI
  NB BLO COMAL      13   13   13.8   SUN 12 PM  10.9  10.4  10.3  10.2  10.2

$$

000 
WGUS84 KEWX 042122
FLSEWX
FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
422 PM CDT SUN OCT 04 2009

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN TEXAS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SCATTERED SHOWERS AND THUNDERSTORMS ARE 
FORECAST FOR THE NEXT 12-24 HOURS.

&&

TXC091-187-042152-
/O.CAN.KEWX.FL.W.0021.000000T0000Z-091005T1509Z/
/GBCT2.2.ER.091004T1447Z.091004T1745Z.091004T1954Z.NO/
422 PM CDT SUN OCT 04 2009

THE FLOOD WARNING IS CANCELLED FOR
  THE GUADALUPE RIVER AT NB BLO COMAL.
* AT  3:45 PM SUNDAY THE STAGE WAS 12.4 FEET.
* FELL BELOW FLOOD STAGE AT  2:54 PM SUNDAY.
* FLOOD STAGE IS 13.0 FEET.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO 10.7 FEET BY TOMORROW MORNING.
* IMPACT...AT 13.0 FEET...MINOR LOWLAND FLOODING EXTENDS INTO THE FLOOD PLAIN 
  CLOSING LOWEST ROADS AND CROSSINGS NEAR THE RIVER.

$$

&&


BELOW ARE THE LATEST RIVER STAGES AND FORECASTS:
                    BF  FLD   OBSERVED            FORECAST 7AM
LOCATION           STG  STG    STG    DAY TIME   MON   TUE   WED   THU   FRI
  NB BLO COMAL      13   13   12.4   SUN 04 PM  10.7  10.5  10.4  10.4  10.3

$$

River Flood Warnings in Texas, 2009Every river flood warning in 2009

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.