FNUS72 KMFL 202057 FWSMFL SPOT FORECAST FOR SANCTUARY WILDFIRE BURN...KEVIN LOGIUDICE NATIONAL WEATHER SERVICE MIAMI FL 357 PM EST THU JAN 20 2011 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE DISCUSSION...A COLD FRONT OVER THE SOUTHEAST UNITED STATES WILL MOVE SLOWLY SOUTH THIS AFTERNOON INTO TONIGHT...AND BE OVER CENTRAL FLORIDA FRIDAY MORNING. THIS WILL ALLOW FOR THE SURFACE WINDS TO BE FROM THE SOUTH BUT LESS THAN 5 MPH THIS AFTERNOON...BEFORE GOING NEARLY CALM TONIGHT OVER THE WILDFIRE. THE TRANSPORT WINDS THIS AFTERNOON WILL BE FROM THE SOUTH AROUND 5 MPH BEFORE SWINGING TO A SOUTHWEST DIRECTION AND REMAIN AT 5 MPH OR LESS TONIGHT. THERE WILL ALSO BE A SLIGHT CHANCE OF SEE A SHOWER OVERNIGHT OVER THE WILDFIRE BURN...BUT THE MAIN IMPACT WILL BE THE DEVELOPMENT OF FOG WHICH WILL IN TURN MIX WITH THE SMOKE AT THE GROUND LEVEL. THIS SHOULD ALLOW FOR THE VISIBILITIES TO DROP TO LESS THAN ONE QUARTER OF A MILE AT TIMES IN THE SMOKE AND FOG LATE TONIGHT INTO EARLY FRIDAY MORNING OVER THE BURN SITE. THE DISPERSION INDEX WILL ALSO BE LESS THAN 5 TONIGHT OVER THE BURN SITE WHICH IS IN THE VERY POOR RANGE...AND THE RELATIVE HUMIDITIES TONIGHT WILL BE CLOSE TO 100% LATE TONIGHT INTO EARLY FRIDAY MORNING AT THE WILDFIRE SITE. THERE WILL ALSO BE A CHANCE OF SHOWERS AND THUNDERSTORMS OVER THE WILDFIRE SITE ON THURSDAY WITH THE SURFACE AND TRANSPORT WINDS FROM THE SOUTHWEST AT 5 TO 10 MPH. FOR PLANNED IGNITION TIME OF ONGOING EST 01/20/11 ___________________________________________________________________ FORECAST FOR THURSDAY TIME(EST) 2PM 5PM 8PM 11PM ___________________________________________________________________ SKY.................. PTCLDY PTCLDY PTCLDY PTCLDY WX................... SHRA SHRA SHRA SHRA CHANCE OF PRECIP (%). 20 20 20 20 TEMP (F)............. 83 81 71 67 DEW PT (F)........... 63 64 65 66 RH (%)............... 50 56 82 97 20 FT WIND (MPH)..... S-0 SW-1 SW-2 SW-1 MIXING HGT (FT, AGL). 4000 3400 2100 800 TRANSPORT WIND (MPH). S-0 SW-1 SW-3 SW-3 LAL.................. 1 1 1 1 LDSI................. 6 5 4 2 LVORI................ 2 3 6 9 ___________________________________________________________________ OUTLOOK FOR THE REST OF THURSDAY NIGHT TIME(EST) 2AM 5AM 8AM 11AM ___________________________________________________________________ SKY.................. PTCLDY PTCLDY PTCLDY PTCLDY WX................... FG SHRA FG SHRA SHRA FG TSRA CHANCE OF PRECIP (%). 20 20 40 40 TEMP (F)............. 63 61 62 74 DEW PT (F)........... 63 61 62 64 RH (%)............... 100 100 100 72 20 FT WIND (MPH)..... S-1 S-0 SW-0 SW-3 LAL.................. 1 1 1 2 LDSI................. 1 1 13 22 LVORI................ 10 10 7 3 ___________________________________________________________________ OUTLOOK FOR FRIDAY AFTERNOON TIME(EST) 2PM 5PM 8PM 11PM ___________________________________________________________________ SKY.................. MOCLDY MOCLDY PTCLDY PTCLDY WX................... TSRA TSRA SHRA SHRA CHANCE OF PRECIP (%). 40 40 30 30 TEMP (F)............. 80 78 67 61 DEW PT (F)........... 64 63 61 59 RH (%)............... 58 60 82 92 20 FT WIND (MPH)..... SW-9 W-8 W-5 NW-4 MIXING HGT (FT, AGL). 3500 3500 700 500 TRANSPORT WIND (MPH). SW-13 W-11 W-9 NW-8 LAL.................. 2 2 1 1 LDSI................. 35 35 23 16 LVORI................ 1 1 4 5 NO WX = NO WEATHER MOCLR = MOSTLY CLEAR SHRA = SHOWERS PTCLDY = PARTLY CLOUDY TSRA = THUNDERSTORMS MOCLDY = MOSTLY CLOUDY CLR = CLEAR CLDY = CLOUDY $$ BAXTER