Wind Chill Advisory 6, NWS Melbourne, FL

EAST CENTRAL FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
916 AM EST THU JAN 23 2014

.DISCUSSION...
TODAY/TONIGHT...A RESURGENCE OF ARCTIC AIR IS SPILLING SWD ACROSS
THE SOUTHEAST AND IS POISED TO ENTER THE CENTRAL FLORIDA REGION
OVERNIGHT. THE AIRMASS IS ALREADY QUITE DRY AND COOL PRECEDING
PASSAGE OF THE UPCOMING FRONT AND TEMPS WILL RECOVER INTO THE UPPER
50S AND 60S THIS AFTERNOON UNDER PARTLY TO MOSTLY SUNNY SKIES.

LOW LEVEL WINDS ACROSS THE AREA WL VEER TO THE NORTH-NORTHEAST AND
REMAIN RELATIVELY LIGHT. SCATTERED CIRRUS CLOUDS ESPECIALLY OVER
OVER NORTH CENTRAL FLORIDA WL INCREASE THROUGH THE DAY.

(PREVIOUS) A REINFORCING DRY COLD FRONT WILL MOVE INTO THE REGION
LATE TONIGHT WITH NORTHWEST WINDS INCREASING UP TO 10 TO 15 MPH BY
DAYBREAK FRIDAY. TEMPS WILL FALL INTO THE MID TO UPPER 30S OVER MUCH
OF THE INTERIOR AND VOLUSIA COAST WITH LOW TO MID 40S EXPECTED ALONG
THE COASTLINE OF BREVARD COUNTY AND THE TREASURE COAST.

MAY SEE SOME NEAR FREEZING TEMPS ACROSS FAR NRN LAKE AND INTERIOR
VOLUSIA COUNTY LATE TONIGHT...HOWEVER WITH WINDS INCREASING AFTER
MIDNIGHT AND MID/HIGH LEVEL CLOUD COVER MOVING IN OVER THIS REGION
NOT EXPECTING DURATION TO LAST LONG. MAY SEE WIND CHILLS IN THE
UPPER 20S TO LOW 30S FOR A SHORT PERIOD AROUND DAYBREAK ACROSS
NORTHERN AREAS. LIGHTER WINDS AND LESS CLOUD COVER OVER THE SOUTH
MAY ALLOW FOR PATCHY FROST TO REDEVELOP OVER FAR SRN OSCEOLA AND
OKEECHOBEE COUNTIES.

&&

.AVIATION...VFR CONDS NEXT 24 HOURS. N-NW WINDS AROUND 5-10 KTS WILL
VEER TO THE N/NE THIS AFT. N/NW WINDS WILL INCREASE LATE TONIGHT UP
TO 10-12 KTS AS A REINFORCING COLD FRONT MOVES THROUGH THE REGION.

&&

.MARINE...
TODAY/TONIGHT...NORTHERLY WINDS WILL EXIST UP TO 10-15 KNOTS OVER
THE NRN OFFSHORE WATERS TODAY WITH SEAS 4 FEET OR LESS. NORTHERLY
WINDS WILL THEN RAPIDLY INCREASE BEGINNING LATE TONIGHT...BUILDING
SEAS AS A REINFORCING COLD FRONT MOVES THROUGH THE REGION.  SCA LATE
TONIGHT OVER THE ENTIRE WATERS FOR THESE RAPIDLY DETERIORATING
BOATING CONDS THAT WILL CONTINUE INTO FRIDAY.

&&

.FIRE WEATHER...
TODAY...A VERY DRY AIRMASS WILL PERSIST OVER THE AREA WITH MIN RH
VALUES THIS AFT IN THE 20S OVER THE INTERIOR TO LOW-MID 30S ALONG
THE COAST. HOWEVER 20FT WIND SPEEDS LESS THAN 15 MPH AND ERC
VALUES BELOW CRITICAL THRESHOLDS WILL CONTINUE TO PRECLUDE THE
ISSUANCE OF A RED FLAG WARNING TODAY.

FRI...MIN RH VALUES BELOW 30 PERCENT ARE FORECAST FOR THE INTERIOR.
GUSTY NORTH WINDS IN THE MORNING ARE FORECAST TO GRADUALLY EASE
THROUGH AFTERNOON...SO IT LOOKS TOO MARGINAL FOR RED FLAG CONDITIONS
AT THIS TIME.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY FROM 4 AM TO 10 PM EST FRIDAY FOR COASTAL
     WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
     OUT 20 NM-COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER
     INLET OUT 20 NM-COASTAL WATERS FROM VOLUSIA BREVARD COUNTY
     LINE TO SEBASTIAN INLET OUT 20 NM-WATERS FROM FLAGLER BEACH
     TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM OFFSHORE-WATERS
     FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
     WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET
     20 TO 60 NM OFFSHORE.

&&

JP/AC

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
915 AM EST THU JAN 23 2014

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-240000-
COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE
OUT 20 NM-
COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN
INLET OUT 20 NM-
COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM-
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO
60 NM OFFSHORE-
WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET 20 TO
60 NM OFFSHORE-
WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE-
INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA-
SOUTHERN LAKE-NORTHERN BREVARD-
915 AM EST THU JAN 23 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.EXCESSIVE COLD IMPACT...
A REINFORCING COLD FRONT WILL MOVE THROUGH EAST CENTRAL FLORIDA
LATE TONIGHT...WITH ANOTHER SURGE OF CHILLY NORTHWEST TO NORTHERLY
WINDS IN ITS WAKE. THIS WILL PRODUCE ANOTHER COLD NIGHT ACROSS EAST
CENTRAL FLORIDA. TEMPERATURES ARE NOT FORECAST TO REACH THE FREEZING
MARK EXCEPT FOR IN A FEW RURAL SHELTERED LOCATIONS...MAINLY NORTH OF
INTERSTATE 4. HOWEVER...WIDESPREAD LOW TEMPERATURES IN THE MIDDLE
30S TO AROUND 40 DEGREES ARE FORECAST FOR ALL BUT EASTERN MARTIN AND
COASTAL SOUTHEASTERN SAINT LUCIE COUNTIES.

THE COLD TEMPERATURES WILL COMBINE WITH WIND SPEEDS OF 10 TO 15 MPH
TO PRODUCE WIDESPREAD WIND CHILL READINGS IN THE UPPER 20S AND LOWER
30S BY SUNRISE...WITH SOME MIDDLE 20S OVER NORTHERN LAKE AND VOLUSIA
COUNTIES. IF YOU WILL BE OUTSIDE EARLY FRIDAY MORNING...YOU WILL
NEED TO DRESS APPROPRIATELY FOR THE COLD...WEARING GLOVES...A HAT
AND A SCARF. ALSO...IF USING SPACE HEATERS...KEEP THEM IN OPEN AREAS
AWAY FROM CURTAINS AND OTHER FLAMMABLE MATERIALS.

.RIP CURRENT IMPACT...
AN INCREASING LONG PERIOD SWELL WILL PRODUCE A MODERATE RISK OF
RIP CURRENTS ALONG AREA BEACHES TODAY. SWIMMERS WHO CHOOSE TO
ENTER THE VERY CHILLY SURF SHOULD SWIM IN SIGHT OF A LIFEGUARD.

.FIRE WEATHER IMPACT...
A VERY DRY AIRMASS WILL PERSIST ACROSS THE AREA TODAY AND PRODUCE
SEVERAL HOURS OF VERY LOW RELATIVE HUMIDITY ACROSS THE REGION
INTO THIS AFTERNOON. THIS WILL PROMOTE A MODERATE TO HIGH FIRE
WEATHER DANGER ACROSS EAST CENTRAL FLORIDA.

.WIND AND SEA IMPACT...
IMPACTS FROM THE NORTHERLY WIND SURGE WILL PRIMARILY BE FELT ON
FRIDAY...HOWEVER GUSTY NORTHWEST TO NORTH WINDS WITH BUILDING SEAS
WILL SPREAD ACROSS THE ATLANTIC WATERS NORTH OF CAPE CANAVERAL
A FEW HOURS PRIOR TO SUNRISE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
A REINFORCING COLD FRONT WILL MOVE ACROSS THE REGION WITH NEAR
FREEZING TEMPERATURES POSSIBLE OVER NORTHERN LAKE AND INTERIOR
VOLUSIA COUNTIES EARLY FRIDAY MORNING. IN ADDITION ELEVATED
NORTHWEST WINDS BEHIND THE FRONT WILL PRODUCE WIND CHILL VALUES
IN THE UPPER 20S TO LOW 30S ACROSS NORTH CENTRAL FLORIDA AROUND
DAYBREAK FRIDAY.

INCREASING NORTHERLY WINDS BEHIND THE BOUNDARY WILL ALSO LEAD TO
HAZARDOUS BOATING CONDITIONS ACROSS THE COASTAL WATERS BEGINNING
EARLY FRIDAY MORNING LASTING INTO FRIDAY EVENING.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

WEITLICH/CRISTALDI