HAZARDOUS WEATHER OUTLOOK
Issue Date: 634 AM CST FRI DEC 11 2009
Expiration: 1200 PM CST FRI DEC 11 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...TODAY AND TONIGHT
HEAVY RAIN AND FLASH FLOOD WATCH...
A SLOW MOVING SURFACE LOW IS EXPECTED TO DEVELOP ALONG A WARM
FRONT OVER THE NORTHWEST GULF THIS AFTERNOON...THEN MOVE ACROSS
SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI TONIGHT. ABUNDANT
MOISTURE COMBINED WITH THE SURFACE LOW AND WARM FRONT WILL LEAD TO
NUMEROUS SHOWERS AND EMBEDDED THUNDERSTORMS. AVERAGE RAINFALL
AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED FOR LATE TONIGHT. DUE TO
COLD AND SATURATED SOIL CONDITIONS...ANY ADDITIONAL HEAVY RAINFALL
COULD RESULT IN LOCALIZED FLOODING ISSUES LATE TONIGHT. FOR MORE
INFORMATION PLEASE REFER TO THE FLASH FLOOD WATCH PRODUCT.
RIVER FLOODING...
SEVERAL RIVERS IN SOUTHEAST LOUISIANA AND COASTAL MISSISSIPPI
ARE EITHER IN FLOOD OR NEAR FLOOD. PLEASE REFER TO THE LATEST
RIVER FLOOD STATEMENTS FOR DETAILS.
MARINE HAZARDS...
SMALL CRAFT ADVISORIES ARE IN EFFECT ACROSS THE COASTAL WATERS.
NORTHERLY WINDS WILL INCREASE TO 20 TO 25 KNOTS WITH SEAS OFFSHORE
BUILDING TO 6 TO 8 FEET.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
HEAVY RAINS AND FLASH FLOOD WATCH...
THE FLASH FLOOD THREAT WILL REMAIN ACROSS SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI SATURDAY. THE SLOW MOVING LOW IS EXPECTED TO
MOVE WELL INLAND. COPIOUS AMOUNTS OF MOISTURE WILL REMAIN IN PLACE AND
FAST WEST FLOW ALOFT WILL HELP PRODUCE SHOWERS AND A FEW
THUNDERSTORMS SATURDAY AND SATURDAY NIGHT. AVERAGE RAINFALL
AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED FOR SATURDAY TIME
PERIOD...WITH SOME LOCAL STORM AMOUNTS OF 3 TO 5 INCHES POSSIBLE.
THEREFORE...A FLASH FLOOD WATCH IS IN EFFECT ACROSS THE AREA
SATURDAY.
ANOTHER ROUND OF SHOWERS AND THUNDERSTORM WILL LIKELY AFFECT THE
REGION MONDAY NIGHT AND TUESDAY AS A COLD FRONT MOVES INTO THE
GULF COAST REGION.
RIVER FLOODING...
SEVERAL RIVERS IN SOUTHEAST LOUISIANA AND COASTAL MISSISSIPPI
ARE EITHER IN FLOOD OR NEAR FLOOD. PLEASE REFER TO THE LATEST
RIVER FLOOD STATEMENTS FOR DETAILS.
MARINE HAZARDS...
SMALL CRAFT ADVISORIES WILL LIKELY REMAIN IN EFFECT THROUGH
FRIDAY MORNING FOR THE COASTAL WATERS.
.SPOTTER INFORMATION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT ANTICIPATED THROUGH THURSDAY DECEMBER 17TH.
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