HAZARDOUS WEATHER OUTLOOK
Issue Date: 849 PM CST THU DEC 10 2009
Expiration: 900 PM CST FRI DEC 11 2009

Expires:200912120300;;
FLUS44 KLIX 110248
HWOLIX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
848 PM CST THU DEC 10 2009
GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077-
080>082-120300-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO LOWER ATCHAFALAYA RIVER LA FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-POINTE COUPEE-WEST FELICIANA-
EAST FELICIANA-ST. HELENA-TANGIPAHOA-WASHINGTON-ST. TAMMANY-
IBERVILLE-WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-
ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-
ST. CHARLES-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-
UPPER ST. BERNARD-UPPER TERREBONNE-LOWER TERREBONNE-
LOWER LAFOURCHE-LOWER JEFFERSON-LOWER PLAQUEMINES-
LOWER ST. BERNARD-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
848 PM CST THU DEC 10 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS
OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
.DAY ONE...TONIGHT
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...FRIDAY THROUGH WEDNESDAY
HEAVY RAIN...
A SLOW MOVING SURFACE LOW IS EXPECTED TO DEVELOP ALONG A WARM FRONT
OVER THE NORTHWEST GULF FRIDAY...THEN MOVE ACROSS SOUTHEAST
LOUISIANA AND SOUTH MISSISSIPPI FRIDAY NIGHT AND SATURDAY. 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 THE FRIDAY NIGHT AND
SATURDAY TIME PERIOD...WITH SOME LOCAL AMOUNTS OF 3 TO 5 INCHES
POSSIBLE. DUE TO COLD AND SATURATED SOIL CONDITIONS...ANY
ADDITIONAL HEAVY RAINFALL COULD RESULT IN LOCALIZED FLOODING
ISSUES. FOR MORE INFORMATION PLEASE REFER TO THE HYDROLOGIC
OUTLOOK PRODUCT. ALSO... PLEASE STAY TUNED FOR LATER FORECASTS ON
THIS EVENT.
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.
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.
$$

HYDROLOGIC OUTLOOK
Issue Date: 258 PM CST THU DEC 10 2009
Expiration: 300 AM CST FRI DEC 11 2009

...LOCALLY HEAVY RAIN EXPECTED TO AFFECT SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI FRIDAY NIGHT AND SATURDAY...
A SLOW MOVING SURFACE LOW IS EXPECTED TO MOVE ACROSS SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI OVER THE WEEKEND. AS THE LOW
MOVES TOWARD THE AREA...A STATIONARY FRONT OVER THE NORTHERN GULF
OF MEXICO WILL MOVE NORTHWARD AS A WARM FRONT...BRINGING AMPLE
GULF MOISTURE INTO THE AREA. WIDESPREAD SHOWERS AND ISOLATED
THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION FRIDAY AND
CONTINUE TO AFFECT THE AREA THROUGH SATURDAY. A FEW OF THE HEAVIER
STORMS WILL BE CAPABLE OF PRODUCING RAINFALL RATES OF OVER ONE
INCH PER HOUR.
AVERAGE RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED FOR THE
FRIDAY NIGHT AND SATURDAY TIME PERIOD...WITH SOME LOCAL AMOUNTS OF 3
TO 5 INCHES POSSIBLE. COLD AND SATURATED GROUND CONDITIONS DUE TO
HEAVY RAINFALL EARLIER THIS WEEK WILL LEAD TO EXCESSIVE RUNOFF AND
THE POSSIBILITY OF FLASH FLOODING. LOCALIZED EFFECTS WILL LIKELY
ACCOMPANY THE HEAVIEST STORMS...INCLUDING PONDING OF WATER ON LOW
LYING ROADWAYS AND IN AREAS OF POOR DRAINAGE.
SEVERAL AREA RIVERS REMAIN NEAR OR JUST ABOVE FLOOD STAGE.
ADDITIONAL RAINFALL AND WATER RUNOFF WILL LEAD TO CONTINUED
ELEVATED STREAM FLOWS AND COULD ALSO RESULT IN ADDITIONAL RIVER
FLOODING.
PEOPLE IN THE AFFECTED AREAS SHOULD BE AWARE OF THE FLOODING
POTENTIAL...AND MONITOR THE LATEST INFORMATION FOR UPDATES. A
FLASH FLOOD WATCH MAY BE NECESSARY ACROSS PORTIONS OF SOUTHEAST
LOUISIANA AND SOUTHERN MISSISSIPPI.
$$
95/DM