FNUS72 KTBW 301309 FWSTBW SPOT FORECAST FOR CHASSAHOWITZKA...FWC NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL 809 AM EST THU DEC 30 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE OFF THE SOUTHEAST U.S. COAST THIS MORNING WILL GRADUALLY SHIFT TOWARDS THE NORTHEAST AND SETTLE IN PLACE OFF THE MID ATLANTIC COAST THROUGH THE END OF THE WEEK. A WEAK COLD FRONT WILL EDGE CLOSER TO THE REGION BY MONDAY WITH A SLIGHT CHANCE OF SHOWERS. HIGH PRESSURE WILL BUILD BACK OVER THE AREA IN THE WAKE OF THE FRONTAL PASSAGE ON TUESDAY. A SOUTHEAST WIND FLOW WILL HELP TO MODIFY THE COLD DRY AIR MASS OVER THE REGION TODAY THROUGH FRIDAY WHICH WILL KEEP AFTERNOON HUMIDITY VALUES ABOVE CRITICAL LEVELS THROUGH THE PERIOD. .TODAY... TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM ----------------------------------------------------------------- SKY.............PCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER TYPE....NONE NONE NONE NONE NONE NONE CHC PRECIP (%)..10 10 10 10 10 10 TEMP............36 42 58 64 70 68 HUMIDITY........96 86 51 50 45 49 20 FT WIND......E 3 E 5 E 7 SE 7 SE 7 SE 6 20 FT WIND GUST.5 10 15 15 10 MIX HGT (FT)....800 1300 2000 3000 4000 3200 TRANSPORT WIND..E 5 SE 6 SE 9 SE 10 S 12 SE 12 DISPERSION......2 9 18 24 32 32 .TONIGHT... TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM ----------------------------------------------------------------- SKY.............MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER TYPE....NONE NONE NONE NONE NONE NONE CHC PRECIP (%)..10 10 10 10 10 10 TEMP............62 60 58 56 54 51 HUMIDITY........65 69 75 77 83 89 20 FT WIND......E 3 E 3 E 5 E 5 E 5 E 5 20 FT WIND GUST.5 5 MIX HGT (FT)....1700 900 600 500 400 300 TRANSPORT WIND..SE 5 E 5 E 6 SE 6 SE 6 E 6 DISPERSION......10 2 4 4 4 4 .FRIDAY... TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM ----------------------------------------------------------------- SKY.............PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER TYPE....NONE NONE NONE NONE NONE NONE CHC PRECIP (%)..10 0 0 0 0 0 TEMP............49 53 65 70 76 74 HUMIDITY........96 93 73 59 48 50 20 FT WIND......E 5 E 5 SE 6 SE 8 SE 8 SE 8 20 FT WIND GUST. 10 10 10 10 MIX HGT (FT)....500 1400 2200 3300 4000 3600 TRANSPORT WIND..E 6 E 6 SE 8 SE 10 SE 10 SE 10 DISPERSION......3 10 20 33 37 35 $$ FORECASTER...MCMICHAEL REQUESTED BY...CHAD ALLISON TYPE OF REQUEST...PRESCRIBED .TAG 20101230.CHASS.01/TBW