FNUS72 KMFL 021418 FWSMFL SPOT FORECAST FOR COWBONE RX BURN...BIA NATIONAL WEATHER SERVICE MIAMI FL 918 AM EST MON FEB 2 2009 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE DISCUSSION...AN AREA OF LOW PRESSURE IN THE NORTH CENTRAL GULF OF MEXICO WILL APPROACH SOUTH FLORIDA TODAY. THIS LOW WILL PASS ACROSS SOUTH FLORIDA LATE THIS AFTERNOON OR THIS EVENING. AHEAD OF THIS LOW WILL BE ABUNDANT MOISTURE WITH NEAR OVERCAST CONDITIONS AND EMBEDDED SCATTERED TO NUMEROUS SHOWERS. RAINFALL AMOUNTS WILL REMAIN ON THE LIGHT SIDE THIS MORNING, BUT AS THE LOW APPROACHES THE REGION, THERE COULD BE SOME BRIEF HEAVY DOWNPOURS DEVELOPING. THE ATMOSPHERE IS ONLY MARGINALLY UNSTABLE BUT CONDITIONS ARE FAVORABLE FOR ONE OR TWO THUNDERSTORMS ALSO DEVELOPING THIS AFTERNOON AS A WARM FRONT ASSOCIATED WITH THE SURFACE LOW MOVES ACROSS THE NORTHERN PORTIONS OF SOUTH FLORIDA. THE STORM THREAT WILL PERSIST INTO THE EVENING HOURS. AS THE WARM FRONT MOVES NORTH, WIND WILL INITIALLY BE FROM THE SOUTHEAST AT AROUND 10 MPH AND THEN VEER TO THE SOUTH BY THIS AFTERNOON AND SOUTHWEST THIS EVENING. THE LOW PRESSURE WILL MOVE ACROSS THE REGION THIS EVENING DRAGGING A COLD FRONT THROUGH THE AREA WITH WIND VEERING TO THE WEST AND NORTHWEST BEHIND THE FRONT. DUE TO THE ABUNDANT CLOUD COVER AND ONLY MODERATE WIND SPEEDS, DISPERSION VALUES WILL REMAIN BELOW 40 THIS AFTERNOON AT THE BURN SITE WITH MIXING HEIGHTS OF AROUND 3000 FT BEFORE FALLING AGAIN IN THE OVERNIGHT HOURS. FOR PLANNED IGNITION TIME OF 925 AM EST 02/02/09 ___________________________________________________________________ FORECAST FOR MONDAY TIME(EST) 9AM NOON 3PM 6PM ___________________________________________________________________ SKY.................. CLDY CLDY CLDY CLDY WX................... SHRA SHRA TSRA TSRA CHANCE OF PRECIP (%). 70 70 70 70 TEMP (F)............. 62 71 74 69 DEW PT (F)........... 57 60 61 62 RH (%)............... 82 69 64 77 20 FT WIND (MPH)..... NE-0 SE-6 S-9 S-8 MIXING HGT (FT, AGL). 1100 2100 3000 2400 TRANSPORT WIND (MPH). E-5 SE-10 S-16 S-17 LAL.................. 1 1 2 2 LDSI................. 10 29 39 33 LVORI................ 5 3 1 2 ___________________________________________________________________ OUTLOOK FOR MONDAY NIGHT TIME(EST) 9PM 12AM 3AM 6AM ___________________________________________________________________ SKY.................. CLDY CLDY MOCLDY MOCLDY WX................... TSRA TSRA SHRA SHRA CHANCE OF PRECIP (%). 60 60 60 60 TEMP (F)............. 59 54 52 50 DEW PT (F)........... 59 54 52 50 RH (%)............... 100 100 100 100 20 FT WIND (MPH)..... SW-8 W-8 NW-5 W-3 LAL.................. 2 2 1 1 LDSI................. 21 10 4 4 LVORI................ 4 7 9 9 ___________________________________________________________________ OUTLOOK FOR TUESDAY AFTERNOON TIME(EST) 9AM NOON 3PM 6PM ___________________________________________________________________ SKY.................. PTCLDY PTCLDY MOCLR MOCLR WX................... SHRA SHRA NO WX NO WX CHANCE OF PRECIP (%). 20 20 20 20 TEMP (F)............. 55 64 65 59 DEW PT (F)........... 51 46 42 40 RH (%)............... 86 52 43 49 20 FT WIND (MPH)..... NW-3 NW-9G14 NW-10G16 NW-9G14 MIXING HGT (FT, AGL). 1200 2000 2700 2000 TRANSPORT WIND (MPH). NW-5 NW-14 NW-20 NW-17 LAL.................. 1 1 1 1 LDSI................. 18 47 62 42 LVORI................ 6 3 1 1 NO WX = NO WEATHER MOCLR = MOSTLY CLEAR SHRA = SHOWERS PTCLDY = PARTLY CLOUDY TSRA = THUNDERSTORMS MOCLDY = MOSTLY CLOUDY CLR = CLEAR CLDY = CLOUDY $$