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Public Information Statement

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GAZ001>009-011>016-019>025-027-030>039-041>062-066>076-078>086-
089>098-102>113-182100-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1256 AM EDT WED MAR 18 2015

...FLOOD SAFETY PREPAREDNESS WEEK CONTINUES IN GEORGIA...

THE NATIONAL WEATHER SERVICE (NWS) HAS DECLARED MARCH 16 THROUGH
MARCH 20 AS FLOOD SAFETY PREPAREDNESS WEEK. THE NATIONAL WEATHER
SERVICE IN PEACHTREE CITY WILL FEATURE INFORMATION ABOUT A DIFFERENT
FLOOD TOPIC EACH DAY DURING THE WEEK.

TODAY`S TOPIC: FLOOD HAZARDS

A FLOOD IS DEFINED AS ANY HIGH FLOW...OVERFLOW...OR INUNDATION OF
WATER THAT CAUSES OR THREATENS DAMAGE. FLOODING CAN OCCUR WITH
PROLONGED RAINFALL OVER SEVERAL DAYS...INTENSE RAINFALL OVER A SHORT
PERIOD OF TIME...OR WHEN WATER FROM AN EXISTING SOURCE MOVES TOO
QUICKLY. BRIEF DESCRIPTIONS OF THE VARIOUS TYPES OF FLOODING YOU MAY
EXPERIENCE ARE FOUND BELOW. MORE INFORMATION ABOUT THESE FLOOD
HAZARDS CAN BE FOUND ON THE NWS FLOOD SAFETY WEBSITE AT
WWW.FLOODSAFETY.NOAA.GOV.

FLASH FLOODING: FLASH FLOODING IS A RAPID AND EXTREME FLOW OF HIGH
WATER INTO A NORMALLY DRY AREA...OR A RAPID WATER LEVEL RISE IN A
STREAM OR CREEK ABOVE A PREDETERMINED FLOOD LEVEL...BEGINNING WITHIN
SIX HOURS OF THE CAUSATIVE EVENT (I.E. INTENSE RAINFALL...DAM
FAILURE...ICE JAM).

RIVER FLOODING: RIVER FLOODING OCCURS WHEN RIVERS RISE AND OVERFLOW
THEIR BANKS...INUNDATING AREAS THAT ARE NORMALLY DRY.

TROPICAL SYSTEMS AND COASTAL FLOODING: AT ANY TIME OF YEAR...A STORM
FROM OVER THE OCEAN CAN BRING HEAVY PRECIPITATION TO THE U.S.
COASTS. WHETHER SUCH A STORM IS TROPICAL OR NOT...PROLONGED PERIODS
OF HEAVY PRECIPITATION CAN CAUSE FRESHWATER FLOODING IN COASTAL
AREAS...AS WELL AS FURTHER INLAND AS THE STORM MOVES ON SHORE. IN
ADDITION TO THE FRESHWATER FLOOD THREAT...TROPICAL SYSTEMS AND
NOR`EASTERS CAN BRING THE THREAT OF STORM SURGE RELATED COASTAL
FLOODING.

BURN SCARS / DEBRIS FLOWS: WILDFIRES BURN AWAY THE VEGETATION OF AN
AREA...LEAVING BEHIND BARE GROUND THAT TENDS TO REPEL WATER. WHEN
RAIN FALLS...IT RUNS OFF A BURN SCAR TOWARDS A LOW LYING
AREA...SOMETIMES CARRYING BRANCHES...SOIL AND OTHER DEBRIS ALONG
WITH IT. WITHOUT VEGETATION TO HOLD THE SOIL IN PLACE...FLOODING CAN
PRODUCE MUD AND DEBRIS FLOWS.

DAM BREAK AND LEVEE FAILURE: A BREAK OR FAILURE CAN OCCUR WITH
LITTLE TO NO WARNING. MOST OFTEN THEY ARE CAUSED BY WATER
OVERTOPPING THE STRUCTURE...EXCESSIVE SEEPAGE THROUGH THE
SURROUNDING GROUND...OR A STRUCTURAL FAILURE.

UNDERSTANDING THE DIFFERENT FLOOD HAZARDS AND KNOWING THE ACTIONS TO
TAKE BEFORE...DURING...AND AFTERWARDS CAN HELP YOU PROTECT YOUR
LIFE...THE LIVES OF YOUR LOVED ONES...AND YOUR PROPERTY. PREPARE
NOW BY VISITING WWW.FLOODSAFETY.NOAA.GOV

JOIN US TOMORROW FOR INFORMATION ON FLOOD RELATED SERVICES PROVIDED
BY THE NATIONAL WEATHER SERVICE.

$$



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