One product issued by NWS for: New Orleans LA
Hazardous Weather Outlook
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 610 PM CST TUE FEB 9 2010 GMZ530-550-555-570-575-LAZ034>040-046>050-056>070-MSZ068>071-077- 080>082-101745- 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- 610 PM CST TUE FEB 9 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF COASTAL WATERS OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI...SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI. .DAY ONE...TONIGHT MARINE HAZARDS... A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE GULF COASTAL WATERS AND LAKES PONTCHARTRAIN AND MAUREPAS TONIGHT AS CONDITIONS WILL REMAIN HAZARDOUS FOR SMALL CRAFT DUE TO STRONG NORTHERLY WINDS AND ROUGH SEAS. RIVER FLOODING... MANY RIVERS AND STREAMS REMAIN IN HIGH FLOWS OR IN FLOOD. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENTS AND FORECASTS FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY WINTER WEATHER HAZARDS... AN AREA OF LOW PRESSURE WILL DEVELOP IN THE WESTERN GULF OF MEXICO THURSDAY AND MOVE EAST ACROSS THE NORTHERN GULF WATERS LATE THURSDAY AND FRIDAY. A COLD AIRMASS WILL BE IN PLACE AS MOISTURE INCREASES OVER THE REGION ON THURSDAY. LIGHT RAIN IS LIKELY DURING THE AFTERNOON ON THURSDAY...AND SOME LIGHT SLEET MAY MIX IN NEAR THE INTERSTATE 10 AND 12 CORRIDORS. A MIX OF LIGHT RAIN...SLEET AND SNOW WILL BE POSSIBLE ACROSS SOUTHWEST MISSISSIPPI. ON THURSDAY NIGHT...WIDESPREAD PRECIPITATION IS EXPECTED. A HEAVY BAND OF PRECIPITATION MAY DEVELOP ACROSS AREAS NORTH OF THE INTERSTATE 10 AND 12 CORRIDOR...ESPECIALLY ACROSS SOUTHWEST MISSISSIPPI...PORTIONS OF THE UPPER FLORIDA PARISHES AND NORTH OF BATON ROUGE. IN THESE AREAS...THE RAIN MAY CHANGE OVER TO MOSTLY SNOW AND A FEW INCHES OF SNOW ACCUMULATION WILL BE POSSIBLE THURSDAY NIGHT INTO FRIDAY MORNING. RAIN OR SNOW IS POSSIBLE ACROSS METROPOLITAN BATON ROUGE...PORTIONS OF THE NORTHSHORE...AND AREAS JUST INLAND FROM THE COAST IN SOUTHEAST MISSISSIPPI. IF MORE SNOW THAN RAIN FALLS...THERE COULD BE LIGHT SNOWFALL ACCUMULATIONS BY FRIDAY MORNING IN THESE AREAS TOO. FARTHER SOUTH...AREAS SOUTH OF LAKE PONTCHARTRAIN AND ACROSS THE COASTAL WATERS ARE EXPECTED TO SEE MAINLY RAIN FROM THIS SYSTEM. HOWEVER...SOME LIGHT SLEET COULD MIX IN DURING THE ONSET ON THURSDAY AFTERNOON. ANY SLEET IS EXPECTED TO FALL ON SURFACES THAT WILL BE WELL ABOVE FREEZING...SO NO SIGNIFICANT ICING OF ROADS OR BRIDGES IS EXPECTED IN THIS AREA AT THIS TIME. ALL PRECIPITATION IS EXPECTED TO END FRIDAY MORNING WEST OF LAKE PONTCHARTRAIN AND INTERSTATE 55...AND EARLY IN THE AFTERNOON OVER AREAS TO THE EAST AND SOUTH. MARINE HAZARDS... CONDITIONS MAY REMAIN HAZARDOUS FOR SMALL CRAFT WEDNESDAY MORNING ACROSS THE OUTER PORTIONS OF THE COASTAL WATERS. THE NEXT LOW PRESSURE SYSTEM IS LIKELY TO PRODUCE HAZARDOUS WINDS AND SEAS FOR SMALL CRAFT THURSDAY NIGHT INTO FRIDAY. RIVER FLOODING... MANY RIVERS WILL REMAIN IN HIGH FLOWS OR IN FLOOD. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENTS AND FORECASTS FOR MORE DETAILS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. $$