FNUS73 KOAX 171042 FWSOAX SPOT FORECAST FOR ALTON NORTH...NATURE CONSERVANCY NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 542 AM CDT TUE APR 17 2012 FORECAST IS BASED ON IGNITION TIME OF 1400 CDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... THERE IS A SMALL CHANCE FOR A FEW SPRINKLES THROUGH ABOUT 10 AM...THEN SKIES SHOULD BECOME MOSTLY SUNNY FOR THE BALANCE OF THE DAY. LIGHT SOUTHEAST WINDS EARLY IN THE DAY WILL BECOME SOUTHERLY AND INCREASE INTO THE 15 TO 30 MPH RANGE BY NOON AND CONTINUE THROUGH THE AFTERNOON. THERE IS ALSO AN OUTSIDE SHOT AT A THUNDERSTORM LATE IN THE DAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). ISOLATED SPRINKLES EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. TEMPERATURE.........69 AT IGNITION...MAX 71. RH..................42 PERCENT AT IGNITION...MIN 39 PERCENT. WIND (20 FT)........WINDS SOUTH AT 18 MPH AT IGNITION...OTHERWISE SOUTH WINDS 6 TO 15 MPH INCREASING TO 16 TO 18 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 4. MIXING HEIGHT.......200-1900 FT AGL INCREASING TO 5500 FT AGL AT IGNITION...OTHERWISE 4100-5600 FT AGL. TRANSPORT WINDS.....SOUTHEAST 10 TO 17 MPH INCREASING TO SOUTH AROUND 30 MPH. TIME (CDT) 3 PM 5 PM 7 PM 9 PM 11 PM 1 AM SKY (%).........43 49 53 64 78 88 WEATHER COV..... S CHC S CHC S CHC S CHC CHANCE WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............69 71 69 63 59 57 RH..............42 39 42 52 61 66 20 FT WIND......S 18 S 17 S 16 S 17 S 17 S 17 20 FT WIND GUST.30 25 25 25 25 25 HAINES INDEX....4 4 4 3 3 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. TEMPERATURE.........MIN 53. RH..................MAX 80 PERCENT. WIND (20 FT)........SOUTH WINDS 9 TO 18 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-2000 FT AGL DECREASING TO 0-300 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 24 TO 32 MPH DECREASING TO 15 TO 21 MPH EARLY IN THE MORNING. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. TEMPERATURE.........MAX 72. RH..................MIN 38 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 8 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.......200-1300 FT AGL INCREASING TO 4700-5300 FT AGL. TRANSPORT WINDS.....WEST 7 TO 12 MPH SHIFTING TO THE NORTHEAST 6 TO 8 MPH IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .THURSDAY... MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 9 MPH. .FRIDAY... MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 11 MPH. .SATURDAY... PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 6 MPH. $$ FORECASTER...DERGAN REQUESTED BY...KYLE LAPHAM TYPE OF REQUEST...PRESCRIBED .TAG 20120417.ALTON.01/OAX