FNUS73 KOAX 290935 FWSOAX SPOT FORECAST FOR OMAHA CRP II...BIA-WINNEBAGO AGENCY NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 435 AM CDT FRI APR 29 2011 FORECAST IS BASED ON IGNITION TIME OF 0830 CDT ON APRIL 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... .DISCUSSION... VERY WIND CONDITIONS WILL DEVELOP THROUGH THE DAY AS SOUTHERLY WINDS INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 45 MPH THROUGH THE AFTERNOON. MINIMUM RELATIVE HUMIDITY VALUES WILL DECREASE TO 30 TO 35 PERCENT TODAY. A COLD FRONT IS FORECAST TO MOVE ACROSS THE AREA TONIGHT WITH SCATTERED TO NUMEROUS THUNDERSTORMS POSSIBLE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....MAX 73. MIN HUMIDITY........MIN 38 PERCENT. 20-FOOT WINDS.......WINDY. SOUTHEAST WINDS 9 TO 17 MPH INCREASING TO SOUTH 24 TO 32 MPH WITH GUSTS TO AROUND 45 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.......300-2100 FT AGL INCREASING TO 2600-4500 FT AGL IN THE AFTERNOON...THEN DECREASING TO 1700 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 18 TO 25 MPH INCREASING TO 33 TO 40 MPH EARLY IN THE MORNING...THEN BECOMING SOUTH AND INCREASING TO 46 TO 54 MPH IN THE LATE MORNING AND AFTERNOON DECREASING TO AROUND 39 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........37 43 50 56 57 58 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............43 53 63 70 72 73 RH..............82 61 46 39 39 41 20 FT WIND......SE 9 SE 17 SE 25 SE 31 S 32 S 28 20 FT WIND GUST.10 25 35 40 45 35 HAINES INDEX....4 4 4 4 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE EVENING. SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....MIN 46. MAX HUMIDITY........MAX 89 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 13 TO 20 MPH SHIFTING TO THE NORTHWEST 14 TO 17 MPH LATE IN THE EVENING. 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.......300-500 FT AGL. TRANSPORT WINDS.....SOUTHEAST 24 TO 32 MPH BECOMING WEST 10 TO 18 MPH IN THE LATE EVENING AND EARLY MORNING...THEN SHIFTING TO THE NORTHWEST 21 TO 23 MPH EARLY IN THE MORNING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........59 70 84 94 93 92 WEATHER COV.....S CHC S CHC LIKELY DEFNTE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............68 61 55 53 50 47 RH..............51 67 83 86 89 89 20 FT WIND......S 20 SE 14 S 14 W 17 NW 17 NW 15 20 FT WIND GUST.30 20 20 25 25 20 HAINES INDEX....5 4 4 3 3 3 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN SHOWERS IN THE MORNING. MAX TEMPERATURE.....49 AT IGNITION...MAX 60. MIN HUMIDITY........76 PERCENT AT IGNITION...MIN 39 PERCENT. 20-FOOT WINDS.......WINDS NORTHWEST AT 16 MPH AT IGNITION...OTHERWISE NORTHWEST WINDS 14 TO 23 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......600-2400 FT AGL INCREASING TO 5300-6600 FT AGL. TRANSPORT WINDS.....WEST 24 TO 33 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........91 89 79 51 51 56 WEATHER COV.....CHANCE CHANCE CHANCE S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............46 49 54 58 60 60 RH..............83 68 54 45 41 39 20 FT WIND......NW 14 NW 16 NW 20 NW 22 NW 23 NW 23 20 FT WIND GUST.20 25 30 30 30 30 HAINES INDEX....3 3 3 4 5 5 .FORECAST DAYS 3 THROUGH 5... .SUNDAY... PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND 14 MPH. .MONDAY... PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH. .TUESDAY... PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 12 MPH. $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...DUWAYNE TRAVERSIE-FMS TYPE OF REQUEST...PRESCRIBED .TAG 20110430.OMAHA.01/OAX