000 FNUS52 KTBW 221130 FWFTBW WEST CENTRAL FLORIDA FIRE WEATHER FORECAST NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL 730 AM EST WED JAN 22 2003 .RED FLAG... .TODAY...NONE REQUIRED. .THURSDAY...A RED FLAG WARNING IS ISSUED FOR LEVY...CITRUS... SUMTER...AND HERNANDO COUNTIES FOR RH VALUES DIPPING BELOW 35% LATE IN THE DAY COMBINED WITH SURFACE WINDS OVER 20 MPH. IN ADDITION... DISPERSION VALUES WILL BE QUITE HIGH AS A RESULT OF HIGH TRANSPORT WIND SPEEDS. A FIRE WEATHER WATCH WILL BE IN EFFECT FOR THE REMAINDER OF THE AREA AS DISPERSION VALUES WILL BE HIGH DUE TO THE STRONG TRANSPORT WINDS. .SYNOPSIS...A COLD FRONT WILL APPROACH THE AREA LATE TODAY FROM THE NORTH. ALONG THE LEADING EDGE OF THE FRONT SCATTERED SHOWERS WILL FORM...PUSHING INTO NORTHERN AREAS SHORTLY AFTER MIDNIGHT. THE RAIN POTENTIAL WILL DIMINISH AS THE FRONT RACES SOUTH THROUGH THE OVERNIGHT HOURS AND INTO EARLY THURSDAY. BEHIND THE FRONT...AN ARCTIC AIRMASS WILL GRIP THE REGION WITH THE COLDEST TEMPERATURES IN 5 YEARS FOR SOME LOCATIONS. THIS COLD OUTBREAK HAS THE POTENTIAL TO BE A KILLING FREEZE WITH MORNING LOWS ON FRIDAY IN THE TEENS FOR LEVY COUNTY...AND A WIDE EXPANSE OF LOWER 20S. IN ADDITION TO THE COLD...WINDS WILL BE QUITE STRONG FOR A GOOD PART OF THE DAY ON THURSDAY WITH GREATER THAN 20 MPH SURFACE WINDS COMMON. .SMOKE DISPERSION DISCUSSION...EXPECT FAIR TO AVERAGE DAYTIME DISPERSIONS TODAY WITH GOOD VALUES TONIGHT AS WINDS STAY UP. BY THURSDAY...TRANSPORT WINDS WILL INCREASE SIGNIFICANTLY. ALTHOUGH MIXING HEIGHTS WILL BE QUITE LOW...DISPERSION INDICES WILL REMAIN HIGH ON THURSDAY. .EXTENDED (FRIDAY THROUGH SUNDAY)...RED FLAG CONDITIONS WILL BE MET FOR A MAJORITY OF THE AREA FRIDAY AFTERNOON AS EXTREMELY LOW DEWPOINTS FILTER DOWN THE SPINE OF THE PENINSULA. HIGH PRESSURE WILL GRADUALLY SETTLE OVER THE AREA THROUGH THE WEEKEND WITH ADDITIONAL FLAGS POSSIBLE AS TEMPERATURES BEGIN A SLOW MODERATION. THE COLD MORNING LOWS WILL CONTINUE...ESPECIALLY ON SATURDAY MORNING AS FREEZING TEMPERATURES ARE LIKELY IN EVEN THE SOUTHERN MOST PORTIONS OF THE FORECAST AREA. FLZ039-042-043-048-222030- CITRUS-HERNANDO-LEVY-SUMTER- 730 AM EST WED JAN 22 2003 PARAMETER... TODAY TONIGHT THURSDAY CLOUD AMOUNT........PARTLY CLOUDY MOSTLY CLOUDY BCMG CLEAR CHANCE PRECIP(%)....NONE 30 PERCENT NONE PRECIP TYPE.........NONE SHOWERS NONE MAX/MIN TEMPS.......68 44 52 WIND DIRECTION......SOUTHWEST WEST NORTHWEST WIND SPEED MPH......10 10 20 PRECIP AMOUNT.......NONE T TO 0.25 NONE PRECIP BEGINS.......NONE 12 MID NONE PRECIP ENDS.........NONE 5 AM NONE PRECIP DURATION.....NONE 1 NONE LIGHTNING FREQ......NO TSTMS NO TSTMS NO TSTMS REL HUMIDITY %......65 100 28 MIXING HEIGHT.......2600 900 2000 CEILING HEIGHT......NO CEILING 4000 NO CEILING TRANSPORT DIR.......WEST WEST NORTHWEST TRANSPORT SPEED.....14 12 34 DISPERSION INDEX....39 12 70 $$ FLZ049>052-055>057-060-061-222030- DESOTO-HARDEE-HIGHLANDS-HILLSBOROUGH-MANATEE-PASCO-PINELLAS-POLK- SARASOTA- 730 AM EST WED JAN 22 2003 PARAMETER... TODAY TONIGHT THURSDAY CLOUD AMOUNT........PARTLY CLOUDY MOSTLY CLOUDY BCMG PTLY CLDY CHANCE PRECIP(%)....NONE 20 PERCENT NONE PRECIP TYPE.........NONE SHOWERS NONE MAX/MIN TEMPS.......72 53 56 WIND DIRECTION......SOUTHWEST WEST NORTHWEST WIND SPEED MPH......11 9 20 PRECIP AMOUNT.......NONE T TO 0.25 NONE PRECIP BEGINS.......NONE 2 AM NONE PRECIP ENDS.........NONE 7 AM NONE PRECIP DURATION.....NONE NONE NONE LIGHTNING FREQ......NO TSTMS NO TSTMS NO TSTMS REL HUMIDITY %......65 100 40 MIXING HEIGHT.......3000 900 2100 CEILING HEIGHT......NO CEILING 4000 NO CEILING TRANSPORT DIR.......WEST WEST WEST TRANSPORT SPEED.....14 10 34 DISPERSION INDEX....43 10 70 $$ FLZ062-065-222030- CHARLOTTE-LEE- 730 AM EST WED JAN 22 2003 PARAMETER... TODAY TONIGHT THURSDAY CLOUD AMOUNT........PARTLY CLOUDY MOSTLY CLOUDY MOSTLY CLOUDY CHANCE PRECIP(%)....NONE 20 PERCENT NONE PRECIP TYPE.........NONE SHOWERS NONE MAX/MIN TEMPS.......73 56 64 WIND DIRECTION......WEST WEST NORTHWEST WIND SPEED MPH......10 7 20 PRECIP AMOUNT.......NONE T TO 0.25 NONE PRECIP BEGINS.......NONE 4 AM NONE PRECIP ENDS.........NONE 9 AM NONE PRECIP DURATION.....NONE 1 NONE LIGHTNING FREQ......NO TSTMS NO TSTMS NO TSTMS REL HUMIDITY %......60 100 40 MIXING HEIGHT.......3100 700 2600 CEILING HEIGHT......NO CEILING 4000 NO CEILING TRANSPORT DIR.......WEST WEST WEST TRANSPORT SPEED.....14 10 34 DISPERSION INDEX....44 6 68 $$