FNUS73 KOAX 141111 FWSOAX SPOT FORECAST FOR OMAHA CRP RX...BIA-WINNEBAGO AGENCY NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 611 AM CDT TUE APR 14 2009 FORECAST IS BASED ON IGNITION TIME OF 0635 CDT ON APRIL 14. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A RIDGE OF HIGH PRESSURE ACROSS THE REGION WILL SHIFT EAST TODAY ALLOWING LIGHT WESTERLY WINDS EARLY THIS MORNING NEAR IGNITION TIME... BUT SHIFTING TO THE EAST SOUTHEAST THROUGH THE DAY. IF THE WINDS REMAIN MORE NORTHEAST INTO THE AFTERNOON INSTEAD OF BECOMING SOUTHEAST...RELATIVE HUMIDITIES COULD BE LOWER DUE TO LOWER THAN EXPECTED DEWPOINTS BEING SENT INTO THE REGION. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....29 AT IGNITION...MAX 64. MIN HUMIDITY........96 PERCENT AT IGNITION...MIN 32 PERCENT. 20-FOOT WINDS.......WINDS WEST AT 2 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 4700-5200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 5 TO 7 MPH SHIFTING TO THE SOUTHEAST 8 TO 10 MPH LATE IN THE MORNING. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........35 32 18 14 11 7 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............29 37 48 57 62 64 RH..............96 74 51 40 34 32 20 FT WIND......W 2 SW 3 S 5 SE 7 SE 9 SE 9 20 FT WIND GUST. 5 10 10 HAINES INDEX....5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....MIN 36. MAX HUMIDITY........MAX 79 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 7 TO 9 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000-4400 FT AGL DECREASING TO 300-1600 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHEAST 12 TO 16 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........3 5 8 10 13 16 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............61 53 47 44 40 38 RH..............35 46 55 62 68 73 20 FT WIND......SE 9 SE 8 SE 8 S 8 SE 8 SE 8 20 FT WIND GUST.10 10 10 10 10 10 HAINES INDEX....5 5 5 5 5 5 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). MAX TEMPERATURE.....MAX 67. MIN HUMIDITY........MIN 37 PERCENT. 20-FOOT WINDS.......BREEZY. SOUTHEAST WINDS 8 TO 16 MPH INCREASING TO 18 TO 25 MPH IN THE LATE MORNING AND AFTERNOON. 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 2900-3700 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 14 TO 23 MPH INCREASING TO AROUND 36 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........19 44 59 72 71 70 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............36 43 53 61 66 67 RH..............79 65 51 43 39 37 20 FT WIND......SE 8 SE 14 SE 18 SE 22 SE 25 SE 25 20 FT WIND GUST.10 15 30 30 35 35 HAINES INDEX....5 4 4 5 5 5 .FORECAST DAYS 3 THROUGH 5... .THURSDAY... MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 19 MPH. .FRIDAY... CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND 19 MPH. .SATURDAY... CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 13 MPH. $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...DUWAYNE TRAVERSIE TYPE OF REQUEST...PRESCRIBED .TAG 20090414.OMAHA.01/OAX