Freeze Warning 2, NWS Tampa Bay, FL

615 
WWUS72 KTBW 120836
NPWTBW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
336 AM EST WED JAN 12 2011

...FREEZE WARNING IN EFFECT THROUGH 9 AM THIS MORNING FOR LEVY
COUNTY...

...HARD FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING THROUGH
9 AM THURSDAY MORNING FOR LEVY AND CITRUS COUNTIES...

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT THROUGH 9 AM
THURSDAY MORNING FOR ALL REMAINING COUNTIES IN WEST CENTRAL AND
SOUTHWEST FLORIDA...

.A STRONG AREA OF ARCTIC HIGH PRESSURE WILL CONTINUE TO PUSH
SOUTH OUT OF THE PLAINS AND INTO THE DEEP SOUTH OVER THE NEXT
SEVERAL DAYS.

FLZ039-121500-
/O.UPG.KTBW.HZ.A.0001.110113T0300Z-110113T1400Z/
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LEVY-
INCLUDING THE CITIES OF...CEDAR KEY...CHIEFLAND
336 AM EST WED JAN 12 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING...
...HARD FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A HARD FREEZE WARNING...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 9 AM EST THURSDAY. THE HARD FREEZE WATCH IS NO LONGER
IN EFFECT. A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS
MORNING. 

A VERY STRONG AREA OF ARCTIC HIGH PRESSURE WILL BUILD SOUTH OUT
OF THE PLAINS AND INTO THE DEEP SOUTH OVER THE NEXT FEW DAYS.
TEMPERATURES THIS MORNING WILL REMAIN BELOW FREEZING FOR AROUND 3
HOURS...WITH LOWEST TEMPERATURES EXPECTED TO BE IN THE UPPER 20S. 

TEMPERATURES ARE EXPECTED TO FALL BELOW FREEZING LATE THIS
EVENING AND REMAIN BELOW FREEZING UNTIL LATE MORNING ON THURSDAY.
TEMPERATURES WILL BOTTOM OUT IN THE LOW 20S AROUND SUNRISE...AND
DURATIONS OF 3 TO 5 HOURS BELOW 27 DEGREES ARE LIKELY ACROSS MUCH
OF LEVY AND CITRUS COUNTIES WITH THE COLDEST TEMPERATURES FOUND
OVER INLAND AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE
IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND
OTHER SENSITIVE VEGETATION.

A FREEZE WARNING IS ISSUED FOR 3 OR MORE HOURS OF TEMPERATURES
BETWEEN 27 AND 32 OVER A WIDESPREAD AREA.

RESIDENTS SHOULD COVER OR MOVE INDOORS ANY COLD SENSITIVE
PLANTS...AND BRING PETS INDOORS THIS EVENING.

&&

$$

FLZ042-121500-
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/O.NEW.KTBW.HZ.W.0001.110113T0300Z-110113T1400Z/
CITRUS-
INCLUDING THE CITIES OF...CRYSTAL RIVER...INVERNESS
336 AM EST WED JAN 12 2011

...HARD FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A HARD FREEZE WARNING...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 9 AM EST THURSDAY. THE HARD FREEZE WATCH IS NO LONGER
IN EFFECT. 

A VERY STRONG AREA OF ARCTIC HIGH PRESSURE WILL BUILD SOUTH OUT
OF THE PLAINS AND INTO THE DEEP SOUTH OVER THE NEXT FEW DAYS.
TEMPERATURES ARE EXPECTED TO FALL BELOW FREEZING LATE THIS
EVENING AND REMAIN BELOW FREEZING UNTIL LATE MORNING ON THURSDAY.
TEMPERATURES WILL BOTTOM OUT IN THE LOW 20S AROUND SUNRISE...AND
DURATIONS OF 3 TO 5 HOURS BELOW 27 DEGREES ARE LIKELY ACROSS MUCH
OF LEVY AND CITRUS COUNTIES WITH THE COLDEST TEMPERATURES FOUND
OVER INLAND AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HARD FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE
IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND
OTHER SENSITIVE VEGETATION.

&&

$$

FLZ043-048>052-055>057-060>062-065-121500-
/O.UPG.KTBW.FZ.A.0001.110113T0500Z-110113T1400Z/
/O.NEW.KTBW.FZ.W.0003.110113T0500Z-110113T1400Z/
SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE-
HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
INCLUDING THE CITIES OF...BUSHNELL...THE VILLAGES...BROOKSVILLE...
SPRING HILL...NEW PORT RICHEY...ZEPHYRHILLS...CLEARWATER...
ST. PETERSBURG...BRANDON...TAMPA...LAKELAND...WINTER HAVEN...
BRADENTON...WAUCHULA...SEBRING...AVON PARK...SARASOTA...VENICE...
ARCADIA...PORT CHARLOTTE...PUNTA GORDA...CAPE CORAL...FORT MYERS
336 AM EST WED JAN 12 2011

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA - RUSKIN FL HAS
ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO 9 AM EST THURSDAY. THE FREEZE WATCH IS NO LONGER IN
EFFECT. 

A VERY STRONG AREA OF ARCTIC HIGH PRESSURE WILL BUILD SOUTH OUT
OF THE PLAINS AND INTO THE DEEP SOUTH OVER THE NEXT SEVERAL DAYS.
TEMPERATURES ARE EXPECTED TO FALL BELOW FREEZING AROUND MIDNIGHT
TONIGHT AND REMAIN BELOW FREEZING UNTIL MID MORNING ON THURSDAY.
TEMPERATURES WILL BOTTOM OUT IN THE UPPER 20S AROUND SUNRISE...AND
DURATIONS OF 3 TO 5 HOURS BELOW 32 DEGREES ARE LIKELY ACROSS MOST OF
WEST CENTRAL AND SOUTHWEST FLORIDA WITH THE LONGEST DURATIONS
FOUND ACROSS INTERIOR AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED FOR 3 OR MORE HOURS OF TEMPERATURES
BETWEEN 27 AND 32 OVER A WIDESPREAD AREA.

RESIDENTS SHOULD COVER OR MOVE INDOORS ANY COLD SENSITIVE
PLANTS...AND BRING PETS INDOORS THIS EVENING.

&&

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
546 PM EST TUE JAN 11 2011

.UPDATE...
UPDATED TEMP GRIDS AND MIN TEMPS TO ACCOUNT FOR QUICKLY FALLING
TEMPERATURES ACROSS THE NORTH. ALSO ADDED A FREEZE WARNING FOR
LEVY COUNTY TONIGHT. APPEARS THAT TEMPERATURES SHOULD FALL BELOW
FREEZING IN EXCESS OF THREE HOURS ACROSS INTERIOR AND NORTHERN
PORTIONS OF THE COUNTY.

&&

.PREV DISCUSSION... /ISSUED 229 PM EST TUE JAN 11 2011/

SHORT TERM (TONIGHT-THURSDAY)...
THE COLD FRONT WILL MOVE INTO SOUTH FLORIDA DURING THIS AFTERNOON
WITH HIGH PRESSURE BUILDING IN FROM THE CENTRAL U.S. DURING THE
REST OF THE SHORT TERM PERIOD. FOR THE REMAINDER OF TODAY AND
TONIGHT THE COOLER DRIER AIR WILL BEGIN TO OVERSPREAD THE AREA
WITH SOME MORE CLOUDS MOVING BACK IN THIS EVENING AS THE COLD AIR
ADVECTION GETS UNDERWAY AND WINDS AROUND 850 MB REMAIN OUT OF THE
WEST NORTHWEST. DURING WEDNESDAY THE 850 MB WINDS WILL SHIFT TO
NORTHERLY WITH THE DEEPER COLD ADVECTION GETTING UNDERWAY AND
SKIES BECOMING MOSTLY CLEAR ACROSS THE ENTIRE AREA EXCEPT FOR SOME
HIGH CLOUDS STREAMING EASTWARD. TEMPERATURES WILL DROP TO AROUND
30 ACROSS THE FAR NORTH TONIGHT TO NEAR 50 FAR SOUTH. HIGHS ON
WEDNESDAY WILL REMAIN WELL BELOW NORMAL WITH HIGHS ONLY CLIMBING
INTO THE LOWER 50S NORTH TO THE LOWER 60S SOUTH.

THE COLD ADVECTION WILL CONTINUE INTO THURSDAY WITH NORTHERLY
WINDS REMAINING UP DURING WEDNESDAY NIGHT LEADING TO AN ADVECTION
FREEZE ACROSS MOST OF THE NATURE COAST AND THEN SOUTHWARD INTO
INLAND PORTIONS OF WEST CENTRAL AND SOUTHWEST FLORIDA. PORTIONS OF
CENTRAL AND SOUTHERN PORTIONS OF PINELLAS SHOULD NOT DROP BELOW
FREEZING...BUT WITH THE NORTHERLY WINDS NORTHERN PINELLAS SHOULD
BE AS COLD AS HILLSBOROUGH. WILL THEREFORE ISSUE A FREEZE WATCH
FOR THE ENTIRE AREA...EXCEPT A HARD FREEZE WATCH FOR LEVY AND
CITRUS...FOR WEDNESDAY NIGHT INTO EARLY THURSDAY MORNING. ALSO
WILL LIKELY NEED A WIND CHILL ADVISORY FOR THE AREA DURING
WEDNESDAY NIGHT AND EARLY THURSDAY. THE REMAINDER OF THURSDAY
SHOULD BE MOSTLY SUNNY AND COOL WITH HIGHS ONCE AGAIN IN THE LOWER
50S NORTH TO THE LOWER 60S SOUTH.

LONG TERM (THURSDAY NIGHT-TUESDAY)...
AN UPPER TROUGH AND DRY SFC FRONT WILL BE MOVING THROUGH THE AREA
THURSDAY NIGHT. HIGH PRESSURE WILL THEN SETTLE SOUTH TO ACROSS THE
REGION THROUGH SATURDAY AND THEN EAST TO OVER THE ATLANTIC THROUGH
MONDAY. MOISTURE WILL INCREASE ACROSS THE AREA SUNDAY AND MONDAY
AS WINDS BECOME SE...WITH A SLIGHT CHANCE OF RAIN POSSIBLE SUNDAY
NIGHT AND MONDAY. TEMPERATURES WILL BE BELOW NORMAL THROUGH
SATURDAY NIGHT...THEN INCREASE TO NEAR NORMAL SUNDAY AND RISE A
BIT ABOVE NORMAL SUNDAY NIGHT AND MONDAY.

AVIATION...
FRONT WILL CONTINUE TO MOVE SOUTHWARD WITH PREVAILING MVFR AT
FMY/RSW THAT SLOWLY LIFTS DURING THE AFTERNOON. BEHIND THE FRONT
ANTICIPATE TEMPO MVFR CEILINGS FOR TPA/PIE/SRQ. ENOUGH DRY AIR
SLIDES IN TONIGHT FOR VFR ALL TERMINALS...AM BEING OPTIMISTIC
ESPECIALLY IN THE SOUTH. NORTHWEST AND NORTH WINDS SHOULD REMAIN
11 KNOTS OR LESS...ALTHOUGH NORTHERLY WINDS INCREASE SOME
WEDNESDAY MORNING AND MAY BECOME GUSTY TOWARD AFTERNOON.

MARINE...
BREEZY NORTHERLY WINDS WILL INCREASE TO ADVISORY CRITERIA TONIGHT
AND CONTINUE INTO EARLY THURSDAY. WINDS AND SEAS SHOULD THEN
SUBSIDE SOME DURING THURSDAY AND BECOME NORTHEASTERLY INTO THE
WEEKEND.

FIRE WEATHER...
DRIER AIR WILL OVERSPREAD THE REGION OVER THE NEXT FEW DAYS WITH
SEVERAL HOURS OF RELATIVE HUMIDITY BELOW 35 PERCENT EXPECTED BOTH
WEDNESDAY AND THURSDAY. WILL THEREFORE ISSUE A RED FLAG WARNING
FOR WEDNESDAY AND A FIRE WEATHER WATCH FOR THURSDAY FOR THE ENTIRE
AREA INCLUDING PINELLAS WHICH WILL LIKELY HAVE LOW RELATIVE
HUMIDITY AND WINDS AROUND 15 MPH.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA  40  56  32  55 /   0   0   0   0
FMY  49  62  35  61 /   0   0   0   0
GIF  38  56  29  55 /   0   0   0   0
SRQ  43  57  34  57 /   0   0   0   0
BKV  35  52  25  54 /   0   0   0   0
SPG  44  53  38  54 /   0   0   0   0

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...FREEZE WATCH FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING
     FOR CHARLOTTE-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-
     HILLSBOROUGH-LEE-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-
     SUMTER.

     RED FLAG WARNING FROM NOON TO 6 PM EST WEDNESDAY FOR CHARLOTTE-
     CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-
     LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER.

     FIRE WEATHER WATCH THURSDAY AFTERNOON FOR CHARLOTTE-CITRUS-DE
     SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEE-LEVY-
     MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER.

     WIND CHILL ADVISORY FROM 4 AM TO 9 AM EST WEDNESDAY FOR CITRUS-
     DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-LEVY-MANATEE-
     PASCO-PINELLAS-POLK-SARASOTA-SUMTER.

     FREEZE WARNING FROM 4 AM TO 9 AM EST WEDNESDAY FOR LEVY.

     HARD FREEZE WATCH FROM WEDNESDAY EVENING THROUGH THURSDAY
     MORNING FOR CITRUS-LEVY.

GULF WATERS...SMALL CRAFT ADVISORY UNTIL 4 PM EST THURSDAY FOR BONITA BEACH TO
     ENGLEWOOD OUT 20 NM-BONITA BEACH TO ENGLEWOOD OUT 20 TO 60
     NM-ENGLEWOOD TO TARPON SPRINGS OUT 20 NM-ENGLEWOOD TO
     TARPON SPRINGS OUT 20 TO 60 NM-TARPON SPRINGS TO SUWANNEE
     RIVER OUT 20 NM-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO
     60 NM.

&&

UPDATE...35/JOHNSON
SHORT TERM/MARINE/FIRE WEATHER...69/CLOSE
LONG TERM/AVIATION...09/RUDE

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
504 AM EST TUE JAN 11 2011

FLZ039-042-043-048>052-055>057-060>062-065-120500-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
504 AM EST TUE JAN 11 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...WIND AND SEA IMPACT...
WINDS AND SEAS OFFSHORE WILL INCREASE LATE TONIGHT AS A STRONG
AREA OF HIGH PRESSURE BUILDS IN. A SMALL CRAFT ADVISORY IS LIKELY
LATE TONIGHT. BOATERS SHOULD REMAIN TUNED TO THE MARINE FORECAST
FOR FURTHER UPDATES.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

...EXCESSIVE COLD IMPACT...
COLDER AIR WILL BE MOVING INTO THE AREA TONIGHT. SOME LOCATIONS
OVER THE NATURE COAST MAY SEE NEAR-FREEZING TEMPERATURES ON
WEDNESDAY MORNING. EVEN COLDER TEMPERATURES ARE EXPECTED ON
THURSDAY MORNING...WITH LOWS IN THE MID 20S OVER THE NATURE COAST
AND LOWER 30S MOST OTHER LOCATIONS.

...WIND AND SEA IMPACT...
WINDS AND SEAS OFFSHORE WILL REMAIN ELEVATED THROUGH AT LEAST THE
END OF THE WEEK UNTIL THE CENTER OF THE HIGH MOVES CLOSER TO THE
AREA.

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

MCNATT