FLASH FLOOD WATCH
Warning Issue Date: 723 AM CST MON DEC 14 2009
...FLASH FLOOD WATCH NOW IN EFFECT THROUGH TUESDAY AFTERNOON...
THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR
* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI...
INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA...
ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA...
IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE...
LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE...
ORLEANS...POINTE COUPEE...ST. CHARLES...ST. HELENA...ST.
JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...TANGIPAHOA...
UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER
ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE
AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...
HANCOCK...HARRISON...JACKSON...PEARL RIVER...PIKE...WALTHALL
AND WILKINSON.
* THROUGH TUESDAY AFTERNOON
* WARM MOIST GULF AIR WILL CONTINUE ACROSS THE REGION AND FUEL
AN OLD STATIONARY FRONTAL BOUNDARY DRAPED ACROSS COASTAL
MISSISSIPPI AND SOUTH LOUISIANA. WITH DAYTIME HEATING AFTER
MORNING FOG BURNS OFF TODAY...SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP AND BECOME WIDESPREAD DURING THE
AFTERNOON. RAIN WILL BECOME HEAVY AT TIMES THROUGH TONIGHT AND
REGENERATE AGAIN TUESDAY AS A COLD FRONT APPROACHES THE AREA.
GENERAL RAIN AMOUNTS OF 1 TO 3 INCHES ARE LIKELY IN THE WATCH
AREA WITH LOCALLY HIGHER AMOUNTS OF 4 TO 6 INCHES POSSIBLE
THROUGH TUESDAY AFTERNOON. WITH ALREADY SATURATED GROUND...
RUNOFF HAS THE POTENTIAL TO CREATE FLOODING EVEN QUICKER THAN
THAT WHICH OCCURRED SATURDAY.
* IMPACTS FROM FLOODING WILL INCLUDE RAPID RISES OF
CREEKS...STREAMS...AND DRAINAGE SYSTEMS. AREA RIVERS ARE AT HIGH
LEVELS WITH MANY ABOVE FLOOD OR NEAR FLOOD LEVELS. PEOPLE LIVING
ALONG RIVERS AND STREAMS SHOULD CLOSELY MONITOR THIS SITUATION
AND PLAN ON MOVING TO HIGHER GROUND ONCE HEAVY RAINS ONSET.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO
FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
$$
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