FNUS73 KOAX 281012 FWSOAX SPOT FORECAST FOR OMAHA CRP...BIA-WINNEBAGO NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 512 AM CDT SUN APR 28 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MOSTLY SUNNY SKIES AND MUCH WARMER TEMPERATURES ARE EXPECTED TODAY WITH HIGHS EXPECTED TO TOP OUT IN THE LOW 80S. A FRONTAL BOUNDARY MOVING IN FROM THE DAKOTAS WILL RESULT IN A GRADUAL WIND SHIFT FROM THE SOUTHWEST TO NORTHWEST THIS AFTERNOON WITH GUSTS AROUND 15 MPH. WITH A DRIER AIR MASS ACCOMPANYING THIS BOUNDARY...LOWEST RELATIVE HUMIDITIES OVER NORTHEAST NEBRASKA ARE EXPECTED TO DROP TO 20% OR SLIGHTLY LESS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........22 PERCENT. WIND (20 FT)........WEST WINDS 8 TO 13 MPH. 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 2600-4500 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1700 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 12 TO 21 MPH SHIFTING TO THE WEST AROUND 10 MPH LATE IN THE AFTERNOON. TIME (CDT) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM SKY (%).........34 39 42 46 49 56 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TSTM COV........ S CHC S CHC TEMP............70 78 82 83 79 68 RH..............45 34 26 22 29 43 20 FT WIND......SW 10 S 13 SW 12 SW 12 NW 12 NW 7 20 FT WIND GUST.15 15 15 15 15 10 HAINES INDEX....4 5 5 5 5 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........86 PERCENT. WIND (20 FT)........NORTHWEST WINDS AROUND 12 MPH SHIFTING TO THE SOUTHWEST AROUND 6 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE NORTH 7 TO 10 MPH EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-400 FT AGL. TRANSPORT WINDS.....NORTHWEST 10 TO 18 MPH SHIFTING TO THE NORTH 15 TO 20 MPH IN THE LATE EVENING AND OVERNIGHT. .MONDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........SOUTH WINDS 7 TO 10 MPH. HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......500-2400 FT AGL INCREASING TO 5200-5800 FT AGL. TRANSPORT WINDS.....NORTH 5 TO 14 MPH SHIFTING TO THE SOUTH 6 TO 12 MPH EARLY IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .TUESDAY... COOLER. PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 12 MPH. .WEDNESDAY... COOLER. SHOWERS LIKELY AND ISOLATED THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 40S. NORTH WINDS AROUND 16 MPH. .THURSDAY... MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S. NORTH WINDS AROUND 15 MPH. $$ FORECASTER...DEE REQUESTED BY...DUWAYNE TRAVERSIE-FMS TYPE OF REQUEST...PRESCRIBED .TAG 20130428.OMAHA.01/OAX