FNUS72 KMFL 221321 FWSMFL SPOT FORECAST FOR HULL-998-122...JAMES HULL NATIONAL WEATHER SERVICE MIAMI FL 821 AM EST SUN JAN 22 2012 FORECAST IS BASED ON IGNITION TIME OF 0840 EST ON JANUARY 22. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A NEAR ZONAL FLOW CONTINUES ACROSS MOST OF THE U.S. THIS MORNING WITH ONE MID LEVEL TROUGH MOVING INTO THE ATLANTIC OFF THE CAROLINAS COAST AND ANOTHER EMERGING INTO THE NORTHERN AND CENTRAL PLAINS STATES LEAVING S FL UNDER A WEAK MID LEVEL RIDGE. A SFC RIDGE REMAINS ACROSS THE CENTRAL FL PENINSULA WITH A VERY WEAK PRESSURE GRADIENT OVER OUR CWA. MINIMUM RH VALUES OVER GLADES AND HENDRY WILL BE IN THE 45 PERCENT RANGE FOR A FEW HOURS IN THE AFTERNOON. WINDS WILL SHIFT FROM EAST TO SE ON MONDAY WITH A SLIGHT INCREASE IN MOISTURE. WITH THE HIGH PRESSURE RIDGE NEAR SOUTH FLORIDA, TRANSPORT WINDS WILL BE WEAK AND DISPERSION WILL BE POOR TO FAIR. NO RAIN IS EXPECTED. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....MAX 83. MIN HUMIDITY........MIN 44 PERCENT. LAL.................1. WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 7 MPH EARLY IN THE AFTERNOON...THEN SHIFTING TO THE SOUTH AROUND 8 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......200-1600 FT AGL INCREASING TO 3000-4000 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....NORTH AROUND 0 MPH SHIFTING TO THE EAST 6 TO 9 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN SHIFTING TO THE SOUTH AROUND 13 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....1 INCREASING TO 43. LVORI...............10. CHANCE OF PCPN......0 PERCENT. TIME (EST) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........10 10 14 14 14 14 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TSTM COV........ TEMP............60 76 81 83 83 74 RH..............99 68 50 46 51 76 20 FT WIND......N 0 NE 3 E 5 E 5 S 6 SW 6 20 FT WIND GUST. 5 10 10 15 15 MIX HGT (FT)....1600 3000 4000 4000 3500 3500 MIXNG WIND......N 0 NE 6 E 9 E 9 S 13 SW 13 DISPERSION IDX..1 20 44 44 42 42 LVORI...........10 10 10 10 10 10 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .TONIGHT... WIND (20 FT)........SOUTHWEST WINDS AROUND 8 MPH SHIFTING TO THE SOUTH AROUND 6 MPH LATE IN THE EVENING...THEN BECOMING LIGHT AFTER MIDNIGHT. MIXING HEIGHT.......2100-3500 FT AGL DECREASING TO 300-700 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTHWEST 12 TO 13 MPH SHIFTING TO THE SOUTH LATE IN THE EVENING...THEN SHIFTING TO THE EAST 2 TO 5 MPH AFTER MIDNIGHT. DISPERSION INDEX....42 DECREASING TO 3. LVORI...............10. CHANCE OF PCPN......0 PERCENT. .MONDAY... WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 9 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN SHIFTING TO THE SOUTH AROUND 9 MPH LATE IN THE AFTERNOON. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 3500-4000 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....EAST 2 TO 10 MPH SHIFTING TO THE SOUTH AROUND 13 MPH IN THE AFTERNOON. DISPERSION INDEX....6 INCREASING TO 46 IN THE LATE MORNING AND AFTERNOON. LVORI...............7. CHANCE OF PCPN......10 PERCENT. $$ FORECASTER...ESTUPINAN REQUESTED BY...JAMES HULL TYPE OF REQUEST...PRESCRIBED .TAG 20120122.HULL9.01/MFL