Hard Freeze Warning
URGENT – WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
942 AM CST WED FEB 18 2015

…VERY COLD TEMPERATURES EXPECTED TONIGHT IN THE WAKE OF ANOTHER COLD FRONT…

.A REINFORCING COLD FRONT WILL MOVE THROUGH THE AREA THIS AFTERNOON AND THIS EVENING USHERING IN VERY COLD AND DRY AIR.
TEMPERATURES WILL PLUMMET INTO THE MID 20S ACROSS AREAS ALONG AND NORTH OF THE I-10/12 CORRIDOR TONIGHT AND INTO THE UPPER 20S AND LOWER 30S ACROSS THE RIVER PARISHES AND PARTS OF THE SOUTH SHORE AWAY FROM THE COAST AND ANY URBAN HEAT EFFECTS.

* TEMPERATURE…TEMPERATURES IN THE MID 20S CAN BE EXPECTED.

* DURATION…5 TO 8 HOURS OF FREEZING CONDITIONS CAN BE EXPECTED WITH 3 TO 4 HOURS OF HARD FREEZE CONDITIONS.

* IMPACTS…SENSITIVE VEGETATION WILL BE DAMAGED IF NOT PROTECTED. LONG DURATION OF SUB FREEZING TEMPERATURES COULD CAUSE DAMAGE TO EXPOSED PIPES IF NOT PROTECTED. PETS ARE ALSO SUSCEPTIBLE TO COLD AND SHOULD BE PROVIDED WITH WARM SHELTER.

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1152 AM CST WED FEB 18 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST LOUISIANA…SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS.

.DAY ONE…THIS AFTERNOON AND TONIGHT

MARINE…
SMALL CRAFT ADVISORIES REMAIN IN EFFECT FOR THE OPEN GULF COASTAL WATERS THROUGH TODAY AND THEN FOR THE OPEN WATERS EAST OF THE MISSISSIPPI RIVER THROUGH TONIGHT. STRONG NORTHERLY WINDS OF 20 TO 25 KNOTS AND ROUGH SEAS WILL CONTINUE TO IMPACT THESE AREAS. SMALL CRAFT SHOULD EXERCISE CAUTION HEADLINES IN PLACE OVER THE SOUNDS AND TIDAL LAKES DUE TO NORTHERLY WINDS OF 15 TO 20 KNOTS TODAY.

FIRE WEATHER…
A RED FLAG WARNING HAS BEEN ISSUED FOR THE COASTAL MISSISSIPPI COUNTIES AS RH AND WIND THRESHOLDS HAVE BEEN MET AND EXCEEDED.
WINDY CONDITIONS AND RH VALUES DOWN INTO THE LOW TO MID 20S WILL LEAD TO ELEVATED FIRE DANGER CONCERNS ACROSS SOUTHERN AND COASTAL MISSISSIPPI.

.DAYS TWO THROUGH SEVEN…THURSDAY THROUGH TUESDAY

ANOTHER ROUND OF SMALL CRAFT ADVISORY CONDITIONS WILL DEVELOP FRIDAY INTO THE WEEKEND AS A STRONG LOW PRESSURE SYSTEM MOVES THROUGH THE GULF SOUTH. STRONG SOUTHEAST WINDS OF 20 TO 25 KNOTS ARE EXPECTED OVER THE GULF WATERS.