FNUS72 KMLB 302328 FWSMLB SPOT FORECAST FOR BILLS HILL...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE MELBOURNE FL 728 PM EDT MON JUL 30 2012 FORECAST IS BASED ON REQUEST TIME OF 1852 EDT ON JULY 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...WIDESPREAD STRONG STORMS HAVE COOLED THE AIR MASS DOWN AHEAD OF SCHEDULE WHICH MEANS VERY LITTLE CHANGE IN TEMPERATURES AND HUMIDITY VALUES THROUGH THIS EVENING AND OVERNIGHT. FOR INSTANCE... CURRENT MESONET OBERVATIONS JUST NORTH OF THE BURN ZONE SHOW A TEMP OF 81F WITH A DEW PT OF 72F FOR A RH OF ABOUT 73 PERCENT...WHILE JUST TO THE SOUTH WE HAVE TEMPS IN THE MID TO UPPER 70S WITH RH VALUES OF 90 TO 95 PERCENT. WITH RAIN NOW FALLING OVER THE BURN AREA...TEMPS AND DEW POINTS ARE LIKELY TO BE ALREADY COOLING TOWARD THE LOWER END OF TONIGHTS FORECAST RANGE...AND RH VALUES COULD ALREADY BE IN THE 90S. IN ANY EVENT...THERE WILL BE A LITTLE BETTER CHANCE FOR SETTLING OF SMOKE AND MIST NEAR AND NORTHEAST OF THE BIRN ZONE...GIVEN THE CURRENT RAINFALL. THE MAX LVORI SHOWS A WIDER RANGE OF 6 TO 8 GIVEN THE DISPARITY IN THE MESONET OBS...BUT I WOULD FAVOR THE HIGHER MAX LVORI OF 8 FOR THE BURN ZONE. .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY....THEN CLEARING AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 77. MAX HUMIDITY........95 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH BECOMING SOUTHWEST. CHANCE OF PCPN......10 PERCENT. LAL.................2 UNTIL 2300...THEN 1. MIXING HEIGHT.......1000-1500 FT AGL DECREASING TO 200-400 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 8 TO 10 MPH. DISPERSION INDEX....4. LVORI...............6-8. TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM SKY (%).........PC PC PC PC PC PC PC PC PC PC PC PC WEATHER COV.....SCT ISO WEATHER TYPE....RA RA TEMP............79 79 78 78 78 78 78 78 77 77 77 77 RH..............85 88 93 93 93 93 93 93 95 95 95 95 20 FT WIND DIR..S S S S S SSW SSW SSW SW SW SW SW 20 FT WIND SPD..7 7 6 6 5 5 5 5 5 5 5 5 20 FT WIND GUST. .TUESDAY... SKY/WEATHER.........PARTLY SUNNY. SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........58 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH. CHANCE OF PCPN......30 PERCENT. LAL.................1 UNTIL 1200...THEN 3. MIXING HEIGHT.......400-2000 FT AGL INCREASING TO 3900-4900 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTHWEST 8 TO 9 MPH. DISPERSION INDEX....46. LVORI...............0. $$ FORECASTER...CRISTALDI REQUESTED BY...CYNTHIA BRANHAM TYPE OF REQUEST...WILDFIRE .TAG 20120730.BILLS.01/MLB