FNUS71 KAKQ 051643 FWSAKQ SPOT FORECAST FOR BRIGGS...NORTH CAROLINA FOREST SERVICE NATIONAL WEATHER SERVICE WAKEFIELD VA 1143 AM EST MON DEC 5 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE REMAINS LOCKED IN PLACE OVER THE MID ATLANTIC REGION TODAY. A COLD FRONT MOVES INTO THE AREA FROM THE WEST LATE TUESDAY. LOW PRESSURE RIDES NORTHWARD ALONG THE FRONT WEDNESDAY INTO THURSDAY. HIGH PRESSURE RETURNS LATE IN THE WEEK. .TODAY... MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........64 PERCENT. WIND (20FT/2MIN)........LIGHT WINDS...BECOMING SOUTH 5 TO 6 MPH LATE IN THE MORNING...THEN BECOMING LIGHT LATE. ADI.................3...INCREASING TO 16 LATE IN THE MORNING...THEN INCREASING TO 29 IN THE AFTERNOON...DECREASING TO 21 LATE. LVORI...............6. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......300-1600 FT AGL...INCREASING TO 3500-4300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 8 TO 12 MPH. VENTILATION RATE....VERY POOR TO POOR (28000-43300 FT-MPH). LVORI...............6. ADI.................3...INCREASING TO 16 LATE IN THE MORNING...THEN INCREASING TO 29 IN THE AFTERNOON...DECREASING TO 21 LATE. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 11 AM 1 PM 3 PM 5 PM TEMP................65 68 69 65 RH..................78 65 59 78 CHC OF PCPN (%).....10 20 20 20 MIX HGT (FT)........1600 4300 3900 2600 20 FT WIND..........SE 5 S 6 S 5 S 3 20 FT WIND GUST..... 10 5 TRANSPORT WIND......S 12 S 12 S 10 S 9 VRATE KT-FT/1000....16 43 34 22 LVORI...............3 3 3 4 ADI.................20 33 27 21 HAINES INDEX........4 3 3 3 .TONIGHT... ADI.................12...DECREASING TO 5 IN THE LATE EVENING AND OVERNIGHT. LVORI...............7. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......300-1400 FT AGL. TRANSPORT WINDS.....SOUTH 9 TO 12 MPH. VENTILATION RATE....VERY POOR (2100-12600 FT-MPH). LVORI...............7. ADI.................12...DECREASING TO 5 IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM CHC OF PCPN (%).....20 20 20 10 10 10 MIX HGT (FT)........1400 300 300 300 300 300 TRANSPORT WIND......SE 10 SE 12 S 12 S 12 S 10 S 10 VRATE KT-FT/1000....13 2 3 2 2 2 LVORI...............5 8 9 9 9 9 ADI.................16 9 5 5 5 5 HAINES INDEX........3 3 3 3 3 4 .TUESDAY... ADI.................7...INCREASING TO 36 LATE IN THE MORNING...THEN DECREASING TO 25 EARLY IN THE AFTERNOON...DECREASING TO 15 LATE. LVORI...............6. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 1300-2800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH. VENTILATION RATE....VERY POOR (2000-30700 FT-MPH). LVORI...............6. ADI.................7...INCREASING TO 36 LATE IN THE MORNING...THEN DECREASING TO 25 EARLY IN THE AFTERNOON...DECREASING TO 15 LATE. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. FORECASTER...ORROCK/SHARP REQUESTED BY...STUART SCOTT TYPE OF REQUEST...PRESCRIBED .TAG 20111205.BRIGG.01/AKQ