FNUS74 KHUN 272302 FWSHUN SPOT FORECAST FOR KRAL S RX BURN...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE HUNTSVILLE AL 602 PM CDT WED MAR 27 2013 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THE INFLUENCE OF BROAD HIGH PRESSURE CONTINUED FROM SOUTH OF LAKE MICHIGAN TO ALABAMA/GEORGIA. IT SHOULD MOVE LITTLE...WITH A CONTINUATION OF DRY WEATHER AND LIGHT WINDS THROUGH THURSDAY. UNDER PERIODS OF MID AND HIGH ALTITUDE CLOUDS AND LIGHT WINDS... LOW TEMPERATURES OVERNIGHT SHOULD FALL TO AROUND 32 DEGREES. MAXIMUM RELATIVE HUMIDITY VALUES AROUND DAYBREAK WILL RISE TO BETWEEN 70-75 PERCENT. DRY CONDITIONS AND SOMEWHAT WARMER TEMPERATURES ARE FORECAST ON THURSDAY. AIR TEMPERATURES AT THE PLANNED IGNITION TIME WILL BE AROUND 50...WITH RELATIVE HUMIDITIES OF AROUND 40 PERCENT...AND NORTHERLY WINDS AROUND 5-7 MPH. MAXIMUM TEMPERATURES ON THURSDAY SHOULD WARM TO AROUND 61 WITH MINIMUM RELATIVE HUMIDITY OF AROUND 27 PERCENT. MIXING HEIGHTS RISING ABOVE 5000 FEET DURING THE MID/LATE AFTERNOON WILL RESULT IN GOOD TO VERY GOOD SMOKE DISPERSION RATES...WITH TRANSPORT WINDS AT THE MIXING HIGH FROM THE WEST OF 10-15 MPH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT). MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........73 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. MIXING HEIGHT.......5300 FT AGL DECREASING TO 300-400 FT AGL. TRANSPORT WINDS.....NORTHWEST 5 TO 14 MPH SHIFTING TO THE NORTHEAST AROUND 3 MPH AFTER MIDNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY MCLDY MCLDY MCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 43 40 38 35 34 RH..............44 52 60 62 66 71 20 FT WIND......NW 3 NW 1 SW 0 NW 0 N 0 N 0 MIX HGT (FT)....5300 2800 300 300 300 400 TRANSPORT WIND..NW 13 NW 14 NW 5 NW 5 N 3 NE 3 DISPERSION IDX..77 48 2 2 2 2 CHC OF PCPN (%).0 0 0 0 0 0 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........27 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......400-500 FT AGL INCREASING TO 6300 FT AGL. TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH INCREASING TO NORTHWEST 14 TO 18 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............32 36 46 52 59 60 RH..............71 66 53 39 30 29 20 FT WIND......W 0 W 1 N 5 N 6 NW 7 NW 7 MIX HGT (FT)....400 500 3900 3900 5000 6300 TRANSPORT WIND..NE 3 NE 3 N 14 N 14 NW 15 NW 18 DISPERSION IDX..2 2 9 64 86 127 CHC OF PCPN (%).0 0 0 0 0 0 $$ FORECASTER...BOYD REQUESTED BY...SHEW TYPE OF REQUEST...PRESCRIBED .TAG 20130328.KRALS.02/HUN