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Flood Potential Outlook

598
FGUS72 KFFC 121453
ESFFFC
GAC011-013-015-035-045-047-055-057-059-063-067-077-083-085-089-
097-111-113-115-117-121-123-129-133-135-139-143-149-151-157-159-
187-195-211-213-217-219-221-223-227-233-237-247-255-281-291-295-
297-311-313-131200-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1053 AM EDT SUN APR 12 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 2 TO 3 INCHES ARE FORECAST FOR
NORTH AND PORTIONS OF CENTRAL GEORGIA THROUGH TUESDAY. ADDITIONAL
RAINFALL OF 1 TO 2INCHES 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
CARROLLTON TO ATLANTA TO ATHENS.

.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 MONDAY AND TUESDAY AS A SOUTHERLY LOW
LEVEL FLOW COMBINES WITH THE OROGRAPHIC EFFECTS OF THE GEORGIA
MOUNTAINS TO ENHANCE THE RAINFALL ALTHOUGH PERIODS OF HEAVY
RAINFALL ARE LIKELY THE ENTIRE WEEK.

.ANTECEDENT CONDITIONS...
PRECIPITATION AMOUNTS OF 2 TO LOCALLY 3 INCHES HAVE OCCURRED OVER
NORTH 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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