FNUS73 KOAX 261038 FWSOAX SPOT FORECAST FOR OMAHA 17...BIA NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 538 AM CDT WED AUG 26 2009 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT HAS MOVED SOUTHEAST ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA. SHOWERS AND THUNDERSTORMS WILL BE COMMON...ESPECIALLY ACROSS AREAS SOUTH OF THE PLATTE RIVER IN EASTERN NEBRASKA AND AREAS ACROSS SOUTHWEST IOWA... THROUGH THE MORNING HOURS AND EXTENDING INTO THE EVENING HOURS. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....60 AT IGNITION...MAX 76. MIN HUMIDITY........91 PERCENT AT IGNITION...MIN 58 PERCENT. 20-FOOT WINDS.......WINDS NORTHEAST AT 8 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS 7 TO 13 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 1100-2900 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHEAST 14 TO 17 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........82 81 72 64 66 64 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............58 62 69 73 75 76 RH..............96 85 69 61 59 58 20 FT WIND......NE 7 NE 9 NE 12 NE 13 NE 13 NE 12 20 FT WIND GUST. 10 15 15 15 15 HAINES INDEX....3 3 4 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). MIN TEMPERATURE.....MIN 55. MAX HUMIDITY........MAX 90 PERCENT. 20-FOOT WINDS.......NORTHEAST WINDS 6 TO 9 MPH. 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 FT AGL. TRANSPORT WINDS.....NORTHEAST 10 TO 18 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........63 72 74 75 70 64 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............73 66 62 60 58 57 RH..............64 79 86 90 89 88 20 FT WIND......NE 9 N 8 N 8 N 8 N 8 N 7 20 FT WIND GUST.10 10 10 10 10 HAINES INDEX....4 3 3 3 4 4 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....MAX 79. MIN HUMIDITY........MIN 49 PERCENT. 20-FOOT WINDS.......EAST WINDS 5 TO 10 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.......300-1300 FT AGL INCREASING TO 2300-4000 FT AGL LATE IN THE MORNING...THEN INCREASING TO 2900-4300 FT AGL LATE IN THE AFTERNOON DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....EAST 9 TO 14 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........60 56 54 54 50 48 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............55 61 69 75 78 79 RH..............88 80 65 55 50 49 20 FT WIND......NE 5 NE 6 NE 8 NE 9 E 10 E 9 20 FT WIND GUST. 10 10 15 10 HAINES INDEX....5 5 5 4 5 5 .FORECAST DAYS 3 THROUGH 5... .FRIDAY... PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80. LIGHT WINDS. .SATURDAY... NOT AS WARM. PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 70. NORTH WINDS AROUND 9 MPH. .SUNDAY... PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND 70. NORTHWEST WINDS AROUND 9 MPH. $$ FORECASTER...REESE REQUESTED BY...DUWAYNE TRAVERSIE TYPE OF REQUEST...PRESCRIBED .TAG 20090826.OMAHA.01/OAX