FNUS73 KOAX 241028 FWSOAX SPOT FORECAST FOR 690N RX...BIA NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 528 AM CDT FRI APR 24 2009 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THE MAIN WEATHER FEATURE TODAY WILL BE A STRONG COLD FRONT THAT WILL MOVE THROUGH THE BURN AREA BY 7 AM...SWITCHING THE WINDS AROUND FROM THE SOUTH TO THE SOUTHWEST AND THEN THE NORTHWEST. THE NORTHWEST WINDS WILL BE GUSTY...WITH GUSTS TO NEARLY 30 MPH DURING THE MORNING HOURS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........50 PERCENT. 20-FOOT WINDS.......SOUTHWEST WINDS AROUND 9 MPH SHIFTING TO THE NORTH 9 TO 18 MPH WITH GUSTS TO AROUND 30 MPH EARLY IN THE MORNING. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 2700-4000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 14 TO 15 MPH SHIFTING TO THE NORTH 13 TO 18 MPH EARLY IN THE MORNING...THEN INCREASING TO AROUND 23 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........21 34 39 43 55 58 WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE NONE NONE RNSHWR TEMP............60 63 66 69 70 71 RH..............81 70 58 53 54 51 20 FT WIND......S 9 NW 9 NW 10 NW 13 N 13 N 16 20 FT WIND GUST.10 10 15 15 25 HAINES INDEX....4 4 4 5 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 43. MAX HUMIDITY........96 PERCENT. 20-FOOT WINDS.......NORTH WINDS 15 TO 21 MPH. GUSTS UP TO 30 MPH EARLY IN THE MORNING. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900-3800 FT AGL DECREASING TO 300-1400 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....NORTH 25 TO 32 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........58 68 77 94 94 93 WEATHER COV.....CHANCE CHANCE CHANCE LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............68 60 54 50 47 45 RH..............50 60 71 81 83 87 20 FT WIND......NW 21 N 20 N 17 N 16 N 18 N 17 20 FT WIND GUST.30 30 25 25 25 25 HAINES INDEX....4 3 3 3 2 2 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 57. MIN HUMIDITY........45 PERCENT. 20-FOOT WINDS.......NORTHEAST WINDS 12 TO 14 MPH. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100-2700 FT AGL INCREASING TO 3200-4100 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....NORTHEAST 14 TO 23 MPH DECREASING TO AROUND 13 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........92 82 72 52 52 57 WEATHER COV.....S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............43 47 51 55 57 57 RH..............96 82 66 53 47 46 20 FT WIND......N 14 N 14 N 13 NE 13 NE 13 NE 12 20 FT WIND GUST.20 20 15 15 15 15 HAINES INDEX....2 3 3 3 4 4 .FORECAST DAYS 3 THROUGH 5... .SUNDAY... CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 14 MPH. .MONDAY... MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 11 MPH. .TUESDAY... PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S. EAST WINDS AROUND 11 MPH. $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...DUWAYNE TRAVERSIE TYPE OF REQUEST...PRESCRIBED .TAG 20090423.690NR.01/OAX