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NWS Peachtree City, Ga » Text Product » FFC Flood Potential Outlook


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Flood Potential Outlook

827
FGUS72 KFFC 130610
ESFFFC
GAC011-013-015-035-045-047-055-057-059-063-067-077-083-085-089-
097-111-113-115-117-121-123-129-133-135-139-143-145-149-151-157-
159-171-187-195-199-207-211-213-215-217-219-221-223-227-231-233-
237-247-255-263-265-281-285-291-293-295-297-311-313-317-140300-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
210 AM EDT MON APR 13 2015

...OCCASIONAL HEAVY RAIN EXPECTED OVER PORTIONS OF NORTH AND
CENTRAL GEORGIA THROUGH MUCH OF THIS WEEK WITH POSSIBLE
FLOODING...

.RAINFALL EXPECTED...
STORM TOTAL RAINFALL AMOUNTS OF AROUND 2 TO 3 INCHES ARE FORECAST
FOR NORTH AND PORTIONS OF CENTRAL GEORGIA THROUGH TUESDAY.
ADDITIONAL RAINFALL OF 1 TO 2 INCHES WITH LOCALLY HIGHER AMOUNTS
ARE POSSIBLE FOR THE REMAINDER OF THE WEEK AS WELL. THE GREATEST
FLOOD POTENTIAL AREA AT THIS TIME IS GENERALLY NORTH OF A LINE
FROM LA GRANGE TO COVINGTON TO ATHENS... WHICH INCLUDES THE
ATLANTA METRO AREA.

.SYNOPSIS...
A STRONG UPPER LEVEL LOW PRESSURE SYSTEMS WILL DEEPEN AND ANCHOR
ITSELF OVER THE SOUTHERN PLAINS THIS WEEK. A STRONG SOUTH TO
SOUTHWEST FLOW ALOFT WILL PUMP ABUNDANT GULF MOISTURE OVER THE
SOUTHEAST U.S. WITH PERIODS OF HEAVY RAIN PREVAILING OVER NORTH
AND PORTIONS OF CENTRAL GEORGIA. AT THIS TIME...SOME OF THE
HEAVIEST RAIN IS EXPECTED TODAY THROUGH TUESDAY AS DISTURBANCES
INTERACT WITH A MOIST SOUTHERLY FLOW TO PRODUCE WIDESPREAD SHOWERS
WITH EMBEDDED THUNDERSTORMS. RAINFALL AMOUNTS COULD BE ENHANCED
BY THE COMBINATION OF OROGRAPHIC LIFT ACROSS NORTH GEORGIA
TODAY... THEN ALONG A FRONTAL BOUNDARY THAT SAGS INTO THE AREA ON
TUESDAY. PERIODS OF HEAVY RAIN COULD LINGER THROUGH THE WORK WEEK
AS DISTURBANCES CONTINUE TO TRAVERSE THE AREA EACH DAY.

.ANTECEDENT CONDITIONS...
PRECIPITATION AMOUNTS OF 2 TO 3 INCHES HAVE OCCURRED OVER NORTH
AND PARTS OF CENTRAL GEORGIA DURING THE PAST WEEK WHICH IS 100 TO
150 PERCENT OF NORMAL VALUES. ABNORMALLY MOIST SOIL CONDITIONS
CONTINUE TO EXIST WITH MOST AREAS STILL WET AND APPROACHING ABOVE
NORMAL STREAM FLOWS. THIS WILL ALLOW ANY HEAVY RAIN TO BE QUICKLY
ABSORBED... THEN RUN OFF INTO NEARBY STREAMS...CREEKS AND RIVERS.

.IMPACTS...
ISOLATED FLASH FLOODING WILL BE POSSIBLE IF THE HEAVY RAIN
REPEATEDLY MOVES OVER THE SAME AREA. ALSO...STORM DRAINS AND
DITCHES MAY BECOME QUICKLY CLOGGED WITH DEBRIS AND CAUSE
EXTENSIVE STREET FLOODING AND ROAD PONDING.

MINOR FLOODING OF SOME OF THE LARGER CREEKS OR RIVERS IS MORE
LIKELY WITH THE EXPECTED STORM TOTAL RAINFALL AMOUNTS IN NORTH
GEORGIA AND SHOULD BE MONITORED CLOSELY.

THIS WEATHER SITUATION IS BECOMING MORE CERTAIN WITH EACH MODEL
RUN...SO STAY ALERT FOR POSSIBLE FLOOD WATCHES AND FUTURE
WARNINGS. KNOW WHAT TO DO IF A WARNING IS ISSUED AND YOU LIVE
NEAR A CREEK OR RIVER.

FOR ADDITIONAL HYDROLOGIC INFORMATION...VISIT OUR WEBSITE AT
WEATHER.GOV/ATLANTA. CLICK ON THE RIVERS AND LAKES TAB UNDER
CURRENT WEATHER TO ACCESS THE LATEST RIVER STAGE AND
PRECIPITATION INFORMATION.

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