FNUS73 KOAX 271246 FWSOAX SPOT FORECAST FOR OMAHA CRP...BIA-WINNEBAGO AGENCY NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 746 AM CDT TUE APR 27 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 27. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN AREA OF HIGH PRESSURE AT THE SURFACE WILL BUILD EASTWARD ACROSS THE CENTRAL PLAINS TODAY. THIS SHOULD BRING MAINLY DRY CONDITIONS AND DECREASING CLOUDINESS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....48 AT IGNITION...MAX 63. MIN HUMIDITY........82 PERCENT AT IGNITION...MIN 42 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 12 MPH AT IGNITION...OTHERWISE NORTH WINDS 5 TO 12 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 5000-6600 FT AGL. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........52 48 45 39 26 21 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............42 46 51 57 61 62 RH..............93 85 71 53 45 42 20 FT WIND......NW 12 NW 12 NW 12 NW 9 N 6 N 3 20 FT WIND GUST.15 15 15 10 5 HAINES INDEX....4 4 4 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....MIN 40. MAX HUMIDITY........MAX 85 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH EARLY IN THE EVENING. 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.......2900-4200 FT AGL DECREASING TO 300-1600 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........18 14 9 5 12 21 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............60 53 47 45 42 40 RH..............45 56 67 71 76 82 20 FT WIND......E 2 SE 5 S 6 S 7 S 8 S 9 20 FT WIND GUST. 10 10 HAINES INDEX....5 5 5 4 4 4 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....MAX 72. MIN HUMIDITY........MIN 38 PERCENT. WIND (20 FT)........BREEZY. SOUTH WINDS 10 TO 17 MPH SHIFTING TO THE SOUTHEAST 21 TO 25 MPH LATE 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.......300-1600 FT AGL INCREASING TO 4900-5000 FT AGL. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........27 27 25 25 31 39 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............41 52 62 68 71 71 RH..............81 59 46 41 38 39 20 FT WIND......S 10 S 13 S 17 SE 24 S 25 S 25 20 FT WIND GUST.15 15 25 30 35 35 HAINES INDEX....4 5 5 5 5 4 $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...DUWAYNE TRAVERSIE TYPE OF REQUEST...PRESCRIBED .TAG 20100427.OMAHA.01/OAX