Alert archive / Alabama / River Flood Warnings in 2012

River Flood Warning 28, NWS Mobile, AL

August 28, 2012Mobile County, Alabama

NWS Mobile, AL issued this river flood warning at Aug 28, 2012, 9:21 PM CDT for Mobile County, Alabama. It took effect at Aug 28, 2012, 10:40 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Aug 28, 2012, 9:21 PM CDT (02:21 UTC)
In effect from
Aug 28, 2012, 10:40 PM CDT
Expired
Aug 29, 2012, 6:09 AM CDT
In force
7 hr
Issued by
NWS Mobile, AL
Flood severity
Minor

County Mobile County, AL

The radar

The Mobile radar (KMOB), 4 km from the middle of the area, began a volume at 02:25 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 Bayou Sara at Saraland (SARA1).

Action stage
3 ft
Minor stage
4 ft
Moderate stage
5 ft
Major stage
7.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02470805, 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, in the capitals the NWS used until 2016.

790 
WGUS44 KMOB 290221
FLWMOB
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING 
NATIONAL WEATHER SERVICE MOBILE, AL 
921 PM CDT TUE AUG 28 2012



...THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A FLOOD WARNING FOR THE 
FOLLOWING RIVERS IN ALABAMA... 

  BAYOU SARA AT SARALAND AFFECTING MOBILE COUNTY.

.HEAVY RAINFALL IS FORECAST TO OCCUR OVER THE NEXT 24 HOURS. AS A RESULT...RIVER
LEVELS ARE FORECAST TO RISE AND A FLOOD WARNING IS NOW IN EFFECT.  IT IS 
EMPHASIZED THAT THE FOLLOWING FORECAST IS BASED ON THE EXPECTED RAINFALL DURING 
THE NEXT 24 HOURS.  IF LESS RAINFALL OCCURS... IT MAY BE NECESSARY TO REVISE 
THIS STAGE FORECAST DOWNWARD.

SAFETY MESSAGE... 
STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO.

&&

ALC097-291400-
/O.NEW.KMOB.FL.W.0028.120829T0340Z-120829T1400Z/
/SARA1.1.ER.120829T0340Z.120829T0600Z.120829T0800Z.NO/
921 PM CDT TUE AUG 28 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A 

* FLOOD WARNING FOR 
  BAYOU SARA AT SARALAND
* FROM THIS EVENING UNTIL WEDNESDAY MORNING
* AT 6PM TUESDAY THE STAGE WAS...3.6 FEET 
* MINOR FLOODING IS FORECAST 
* FLOOD STAGE IS 4 FEET 
* FORECAST TO RISE ABOVE FLOOD STAGE BY TONIGHT AND CONTINUE TO RISE TO NEAR 4.2
  FEET BY EARLY WEDNESDAY MORNING. THE RIVER WILL FALL BELOW FLOOD LATER WEDNESDAY 
  MORNING.
* AT 4 FEET...FLOODING OF STREETS BEGINS. 

$$
1 follow-up statement
641 
WGUS84 KMOB 291109
FLSMOB
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MOBILE, AL
609 AM CDT WED AUG 29 2012
 

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVER IN ALABAMA...
 
  BAYOU SARA AT SARALAND AFFECTING MOBILE COUNTY.

.RECENT HEAVY RAINS HAVE CAUSED SIGNIFICANT RISES ALONG THE BAYOU. 

SAFETY MESSAGE... 
STAY TUNED TO DEVELOPMENTS BY LISTENING TO NOAA WEATHER RADIO.

&&

ALC097-291139-
/O.CAN.KMOB.FL.W.0028.000000T0000Z-120829T1400Z/
/SARA1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
609 AM CDT WED AUG 29 2012

THE FLOOD WARNING IS CANCELLED FOR
  THE BAYOU SARA AT SARALAND
* UNTIL THIS MORNING 
* AT 5AM WEDNESDAY THE STAGE WAS 3.1 FEET 
* FLOOD STAGE IS 4 FEET

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 11:46 PM CDTAreal Flood AdvisoryMOBMobile119 min
Aug 28, 11:49 PM CDTAreal Flood AdvisoryMOBBaldwin116 min
Aug 29, 12:49 AM CDTTornado WarningMOBBaldwin, Mobile29 min
Aug 29, 1:49 AM CDTAreal Flood AdvisoryMOBMobile116 min
Aug 29, 8:46 AM CDTFlash Flood WarningMOBMobile6 hr
Aug 29, 9:24 AM CDTRiver Flood WarningMOBMobile31 hr
Aug 29, 10:04 AM CDTHigh Surf WarningMOB30 hr
Aug 29, 10:18 AM CDTWind AdvisoryMOB14 hr
Aug 29, 2:52 PM CDTFlash Flood WarningMOBMobile6 hr

Nearby

River Flood Warnings in Alabama, 2012Every river flood warning in 2012

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.