Alert archive / Alabama / River Flood Warnings in 2009

River Flood Warning 75, NWS Birmingham, AL

November 13, 2009Dallas County, Perry County, Alabama

NWS Birmingham, AL issued this river flood warning at Nov 13, 2009, 6:10 AM CST for Dallas County, Perry County, Alabama. It was in force for 39 hr.

The area

The counties it named.

The facts

Issued: Nov 13, 2009, 6:10 AM CST (12:10 UTC)
Expired: Nov 14, 2009, 9:36 PM CST
In force: 39 hr
Issued by: NWS Birmingham, AL
Flood severity: Minor

Counties Dallas County, AL, Perry County, AL

The radar

The Birmingham radar (KBMX), 87 km from the middle of the area, began a volume at 12:07 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 Cahaba River at Suttle (SUTA1). The gauge peaked at 34.30 ft at Nov 14, 2009, 1:00 AM CST.

Action stage: 28 ft
Minor stage: 32 ft
Moderate stage: 43 ft
Major stage: 55 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02424590, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this river flood warning went out at Nov 13, 5:19 AM CST, 51 minutes earlier.

Area forecast discussion, Nov 13, 5:19 AM CST, 51 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
519 AM CST FRI NOV 13 2009

.UPDATE...AVIATION DISCUSSION.

&&

.DISCUSSION...

NO SIGNIFICANT CHANGES TO THE SHORT TERM FORECAST AS HIGH PRESSURE
WILL CONTINUE TO DOMINATE THE WEATHER PATTERN THROUGH AT LEAST THE
WEEKEND. THIS WILL KEEP THE SENSIBLE WEATHER HIGH AND DRY WITH
TEMPS CREEPING UP OVER THE NEXT SEVERAL DAYS AS THE AIRMASS
MODERATES AND THE HIGH SLIDES FURTHER EAST INTRODUCING A MODEST
RETURN FLOW FROM THE GULF. THE WEEKEND IS SETTING UP TO BE VERY
NICE WITH TEMPS IN THE 70S AND VIRTUALLY CLEAR...SUNNY SKIES.

THE EXTENDED...REALLY MONDAY EVENING THROUGH MUCH OF THE NEXT WORK
WEEK CONTINUE TO BE PROBLEMATIC AS THE OPERATIONAL MODELS AND
THEIR ENSEMBLE COUNTERPARTS CANT SETTLE ON A CONSENSUS SOLUTION.
THE EURO...WHICH IS STARTING TO LOOK MORE AND MORE LIKE THE MODEL
OF CHOICE CONTINUES TO BE AGGRESSIVE AND PROGRESSIVE WITH A
NORTHERN PACIFIC SYSTEM THAT WILL DIVE SOUTH ON SUNDAY AND MONDAY
AND SEEMINGLY BRING A CUTOFF LOW TO THE CENTRAL PLAINS AND MID
MISSISSIPPI RIVER VALLEY BY MONDAY EVENING. THE REAL DIVERGENCE IN
THE SOLUTIONS BEGIN RIGHT THERE AS THE SOUTHERN JET STREAM PICKS
AND SLOWLY LIFTS THE SYSTEM NORTHEASTWARD BY THE MIDDLE OF THE
WEEK. THAT WILL REALLY INTRODUCE OUR NEXT ROUND OF
SHOWERS...POSSIBLY MIXED WITH A THUNDERSTORM OR TWO TO CENTRAL
ALABAMA BEGINNING MONDAY NIGHT. THE GFS WHICH STARTS AGGRESSIVE
BRINGS THE SYSTEM TO THE SAME AREA WITH NEARLY THE SAME TEMPORAL
CONSISTENCY...BUT THE LARGE SCALE RIDGING DOWNSTREAM REALLY ACTS
TO SLOW THE SYSTEM WAY DOWN...WITH A WOBBLING CUTOFF LOW JUST TO
OUR NORTHEAST FOR MUCH OF THE WORK WEEK. THIS SOLUTION WOULD KEEP
SHOWERS AND THUNDERSTORMS IN THE FORECAST VIRTUALLY EVERYDAY FROM
AROUND TUESDAY EVENING THROUGH NEARLY THE REMAINDER OF THE FORECAST
PERIOD. WITH THIS PACKAGE...HAVENT BEEN TOTALLY SOLD ON THE FASTER
MORE PROGRESSIVE EURO JUST YET...HOWEVER...ITS MODEL CONSISTENCY HAS
MY ATTENTION...ALTHOUGH THE SLOWER GFS IS ALSO SHOWING SOME MODEST
RUN TO RUN CONSISTENCY. UNFORTUNATELY...WILL HAVE TO STILL PLAY THE
AVERAGES AND GO WITH SOME LOW POPS FOR A GOOD PART OF THE
WEEK...WAITING YET AGAIN...TO SEE IF BETTER AGREEMENT CAN BE REACHED
WITH SUBSEQUENT MODEL RUNS.

17/KLAWS

&&

.AVIATION...12Z TAF DISCUSSION.

HIGH PRESSURE WILL REMAIN ACROSS THE AREA TODAY...WITH NO AVIATION
CONCERNS EXPECTED. WINDS WILL BE LIGHT...GENERALLY FROM THE
WEST...BEFORE DIMINISHING AFTER SUNSET.

14

&&

.PRELIMINARY POINT TEMPS/POPS...
GADSDEN     67  36  73  38  73 /   0   0   0   0   0
ANNISTON    70  38  75  42  77 /   0   0   0   0   0
BIRMINGHAM  71  41  75  45  75 /   0   0   0   0   0
TUSCALOOSA  72  38  75  42  76 /   0   0   0   0   0
CALERA      70  41  76  44  75 /   0   0   0   0   0
AUBURN      70  44  75  46  75 /   0   0   0   0   0
MONTGOMERY  73  38  77  43  78 /   0   0   0   0   0
TROY        73  38  76  39  77 /   0   0   0   0   0

&&

.BMX WATCHES/WARNINGS/ADVISORIES...NONE.

&&

17/14

Hazardous weather outlook, Nov 12, 7:45 PM CST, 10 hours 25 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 13, 7:05 AM CST	River Flood Warning	BMX	Dallas, Perry	13 hr

Nearby

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

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.