Florida, 2007Frost and Freeze in Florida, December 17 to 18, 2007
December 17 to 18, 2007 · NWS TBW · 5 events in 3 counties and zones
Cold and dry high pressure built into the area behind a cold front, bringing freezing temperatures to the northern counties each morning. Winds of around 10 mph the morning of Dec.
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Cold and dry high pressure built into the area behind a cold front, bringing freezing temperatures to the northern counties each morning. Winds of around 10 mph the morning of Dec. 17th kept wind chill values in the upper 20s to lower 30s from Desoto and Highlands counties northward, but helped to prevent a widespread freeze or frost from developing across all but the normally colder locations across the northern area.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before the first event at Dec 17, 3:56 AM EST, 1 hour 4 minutes earlier.
Area forecast discussion, Dec 17, 3:56 AM EST, 1 hour 4 minutes before
AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
356 AM EST MON DEC 17 2007
CORRECTED WATCHES/WARNINGS/ADVISORIES PORTION FOR CANCELLATION OF
WIND CHILL ADV FOR CHARLOTTE AND LEE COUNTIES.
.SHORT TERM (TODAY - WEDNESDAY)...MORNING ANALYSIS SHOWS HIGH
PRESSURE BUILDING INTO THE AREA FROM THE NORTH AND WEST...ALONG WITH
VIGOROUS CAA AND BREEZY CONDITIONS. WILL CONTINUE EXISTING FREEZE
WARNING AND WIND CHILL ADV AS TEMPS WILL CONTINUE TO DROP AND
WINDS WILL STAY UP THROUGH SUNRISE. TEMPS AROUND SUNRISE WILL
BOTTOM OUT AROUND FREEZING ACROSS INLAND PORTIONS OF OUR NATURE
COAST COUNTIES...AND AROUND 40 TAMPA BAY METRO AREA...SO DRESS
WARMLY FOR THE BUS STOP THIS MORNING
THE AFOREMENTIONED HIGH CENTER WILL SLIDE EAST TODAY REACHING THE SE
U.S. COAST THIS EVENING. FORECAST SOUNDINGS SHOW A VERY COOL...
STABLE...AND DRY AIRMASS OVER OUR AREA TODAY...THUS CLEAR SKIES
AND COOL TEMPS FOR DAYTIME HOURS TODAY. HIGHS TODAY FROM THE UPPER
50S NORTH TO MID 60S SOUTH. AT FIRST GLANCE...TEMPS TONIGHT LOOK LIKE
THEY WILL STAY ABOVE FREEZING GIVEN THE HIGH CENTER STAYING TO OUR
NORTH WITH A PRES GRAD PERSISTING OVER THE PENINSULA. HOWEVER
GIVEN THE COOL AND STABLE NATURE OF THE AIRMASS...THINK THE ATMOS
WILL DECOUPLE AT SOME POINT TONIGHT AND ALLOW TEMPS TO DROP...ESP
ACROSS THE NATURE COAST WHERE LOWS TONIGHT EXPECTED TO DROP TO
FREEZING FOR A COUPLE HOURS. AS SUCH...WILL UPGRADE CURRENT FREEZE
WATCH FOR EARLY TUESDAY MORNING TO A WARNING.
THE HIGH WILL MOVE OFF THE SE COAST ON TUESDAY...ALLOWING EASTERLY
FLOW TO BRING A GRADUAL WARM-UP TO THE AREA. PLENTY OF SUNSHINE WITH
TEMPS RECOVERING AND HIGHS AROUND 70.
TUESDAY NIGHT A QUICK MOVING SHORT WAVE WILL PASS BY WELL TO OUR
NORTH. HOWEVER...BRISK WEST FLOW ALOFT WILL TRANSPORT SOME MID AND
HIGH CLOUDS ACROSS THE AREA. THAT COMBINED WITH EASTERLY LOW LEVEL
FLOW WILL RESULT IN WARMER READINGS TUESDAY NIGHT WITH LOWS RANGING
FROM AROUND 40 NORTH TO AROUND 50 SOUTH AND ALONG THE COAST.
LITTLE CHANGE ON WEDNESDAY WITH RIDGE AXIS TO OUR NORTH...FAIRLY DRY
AIRMASS AND WESTERLY FLOW ALOFT...ALL RESULTING IN PARTLY CLOUDY
SKIES AND WARMER WITH HIGHS FROM THE LOW 70S NORTH TO UPR 70S SOUTH.
&&
.LONG TERM (WEDNESDAY NIGHT - SUNDAY)...LATEST MODEL DATA DO NOT
INSPIRE MUCH CONFIDENCE IN HAVING SIGNIFICANT RAIN FROM THE WEAK
FRONTAL BOUNDARY RACING NORTH OF THE STATE IN THE THURSDAY EARLY
EVENING TO FRIDAY MORNING TIME FRAME. ISOLATED/20 POPS WILL BE
INTRODUCED FOR THE AFOREMENTIONED TIME PERIOD AND KEEP IT WITH
SLIGHT CHANCES OF RAIN AT BEST OVER THE NATURE COAST ONLY.
A SECOND...APPARENTLY STRONGER FRONT...IS DEPICTED BY GFS ARRIVING
OVER NORTHERN FLORIDA ON SATURDAY EVENING AND INTO SUNDAY EARLY
MORNING. WITH BASICALLY A WEEK STILL TO GO...WILL REFRAIN FROM
INTRODUCING RAIN CHANCES HIGHER THAN 20 PERCENT FOR SATURDAY EVENING
AND SUNDAY EARLY MORNING AND WAIT FOR BETTER PERSISTENCE FROM MODEL
DATA.
A WEAK WARMING TREND WILL CONTINUE TO TAKE PLACE TROUGH THE EXTENDED
PERIOD BUT ONLY ONE OR TWO DEGREES WARMER THAN CURRENT GRIDS VALUES.
&&
.AVIATION...MAINLY VFR CONDITIONS EXPECTED THROUGH THE NEXT 24 HOURS.
&&
.MARINE...SCA CONDITIONS CONTINUING ATTM...AND EXPECTING TO CONTINUE
THROUGH MID DAY TODAY. GOOD AGREEMENT IN GUIDANCE WHICH INDICATES
SCA CONDITIONS CONTINUING THROUGH MID DAY THEN QUICK IMPROVEMENT AS
THE AFTERNOON PROGRESSES...THANKS TO OFFSHORE FLOW. SHOULD BE ABLE
TO LET SCA EXPIRE AT 21Z AND HIGH SURF EXPIRE AT 18Z. MAY NEED TO
CARRY A CAUTION HEADLINE OFFSHORE TONIGHT...THEN CONDITIONS WILL
DROP BELOW HEADLINE CRITERIA ON TUESDAY WITH WINDS REMAINING AOB
15KT THROUGH THE MIDDLE OF THE WEEK.
&&
.FIRE WEATHER...DRY AIR MASS OVER THE REGION...ALONG WITH BREEZY
CONDITIONS...WILL WARRANT UPGRADING THE FIRE WEATHER WATCH TO A
WARNING. WITH NE FLOW...WILL INCLUDE PINELLAS COUNTY AS WELL. MUCH
OF THE CWA WILL SEE 4+ HOURS OF RH BELOW 35% TODAY. WITH EASTERLY
FLOW INCREASING ON TUESDAY...RH VALUES SHOULD REMAIN ABOVE CRITICAL
VALUES.
&&
.PRELIMINARY POINT TEMPS/POPS...
TPA 60 41 69 53 / 0 0 0 5
FMY 64 44 74 55 / 0 0 0 5
GIF 60 40 69 51 / 0 0 0 5
SRQ 61 41 70 52 / 0 0 0 5
BKV 58 30 68 43 / 0 0 0 5
SPG 60 48 69 57 / 0 0 0 5
&&
.TBW WATCHES/WARNINGS/ADVISORIES...
FL...RED FLAG WARNING FROM 11 AM THIS MORNING TO 6 PM EST THIS
AFTERNOON FOR CHARLOTTE-CITRUS-DE SOTO-HARDEE-HERNANDO-
HIGHLANDS-HILLSBOROUGH-LEE-LEVY-MANATEE-PASCO-PINELLAS-POLK-
SARASOTA-SUMTER.
FREEZE WARNING UNTIL 9 AM EST THIS MORNING FOR CITRUS-HERNANDO-
LEVY-SUMTER.
FREEZE WARNING FROM 1 AM TO 8 AM EST TUESDAY FOR CITRUS-HERNANDO-
LEVY-SUMTER.
WIND CHILL ADVISORY UNTIL 8 AM EST THIS MORNING FOR
CITRUS-DE SOTO-HARDEE-HERNANDO-HIGHLANDS-HILLSBOROUGH-
LEVY-MANATEE-PASCO-PINELLAS-POLK-SARASOTA-SUMTER.
HIGH SURF ADVISORY UNTIL 1 PM EST THIS AFTERNOON FOR
CHARLOTTE-HILLSBOROUGH-LEE-MANATEE-PASCO-PINELLAS-SARASOTA.
GULF WATERS...SMALL CRAFT ADVISORY UNTIL 4 PM EST THIS AFTERNOON
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-TAMPA BAY
WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-TARPON
SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM.
&&
SHORT TERM/MARINE/FIRE...NP
LONG TERM/AVIATION...ARHazardous weather outlook, Dec 16, 5:16 AM EST, 23 hours 44 minutes before
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</html>Frost/Freeze, Levy
- When
- December 17, 5:00 AM EST to 8:00 AM EST
- Where
- Levy forecast zone
- Reported by
- COOP Observer
Freezing temperatures were in place across the county for a few hours with a low of 30 at the COOP site 6 miles southeast of Chiefland.
Frost/Freeze, Hernando
- When
- December 17, 5:00 AM EST to 8:00 AM EST
- Where
- Hernando forecast zone
- Reported by
- COOP Observer
Freezing temperatures were in place across the county for a few hours with a low of 31 at the COOP site 4 miles north of Brooksville.
Frost/Freeze, Citrus
- When
- December 18, 12:00 AM EST to 8:00 AM EST
- Where
- Citrus forecast zone
- Reported by
- Mesonet
Freezing temperatures were in place across the county for several hours with a low of 27 at a home weather station 4 miles northeast of Beverly Hills.
Frost/Freeze, Levy
- When
- December 18, 5:00 AM EST to 8:00 AM EST
- Where
- Levy forecast zone
- Reported by
- COOP Observer
Freezing temperatures were in place across the county for a few hours with a low of 28 at the COOP site 6 miles southeast of Chiefland.
Frost/Freeze, Hernando
- When
- December 18, 5:00 AM EST to 8:00 AM EST
- Where
- Hernando forecast zone
- Reported by
- ASOS
Freezing temperatures were in place across the county for a few hours with a low of 31 at the Brooksville ASOS (KBKV) and the COOP site 4 miles north of Brooksville.
- Frost/Freeze
- Frost or temperatures at or below freezing during the growing season, usually filed for crop damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Dense Fog in Illinois, December 17, 20078 events
- Dense Fog in Illinois, December 17, 20078 events
- Winter Storm in California, December 17 to 18, 20075 events
- Dense Fog in Indiana, December 17, 20074 events
- Heavy Snow in California, December 17 to 18, 20073 events
- High Wind in Oregon, December 17 to 18, 200762 kt wind · 3 events
- Heavy Snow in Oregon, December 17 to 19, 20072 events
- Dense Fog in Indiana, December 17, 20072 events
- Flood in Kentucky, December 17 to 24, 20071 event
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 66417, 66418, 66427, 66420, 66428.