FNUS73 KOAX 180922 FWSOAX SPOT FORECAST FOR RAILROAD HWY...NATURE CONSERVANCY NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 422 AM CDT WED MAY 18 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SHOWERS AND THUNDERSTORMS WILL MOVE INTO SOUTHEAST NEBRASKA THIS MORNING BUT THEY SHOULD TEND TO WEAKEN BY NOON AND SHOULD STAY SOUTHWEST OF SOUTHWEST IOWA. THAT SAID...A SPRINKLE CAN NOT BE RULED OUT FROM MID MORNING UNTIL 1 PM OR SO. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........33 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 12 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 4700-6000 FT AGL. TRANSPORT WINDS.....SOUTHEAST 9 TO 17 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........63 64 68 68 72 78 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 53 60 64 68 69 RH..............68 54 44 40 34 33 20 FT WIND......E 5 SE 9 SE 12 SE 12 SE 12 SE 12 20 FT WIND GUST. 10 15 15 15 15 HAINES INDEX....5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........CLOUDY (85-95 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........80 PERCENT. 20-FOOT WINDS.......EAST WINDS 8 TO 13 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.......3600-5300 FT AGL DECREASING TO 300-1900 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....EAST 15 TO 24 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........83 84 86 88 91 96 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............68 64 60 58 57 55 RH..............36 43 53 62 67 74 20 FT WIND......SE 12 E 9 E 8 E 8 E 9 E 12 20 FT WIND GUST.15 10 10 10 10 15 HAINES INDEX....5 4 4 4 4 4 .THURSDAY... SKY/WEATHER.........CLOUDY (95-100 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........61 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 14 TO 23 MPH. HAINES INDEX........2 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.......300-2100 FT AGL INCREASING TO 2800-3600 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....EAST 26 TO 33 MPH INCREASING TO SOUTHEAST 37 TO 45 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........100 99 98 97 97 96 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............54 57 61 65 69 69 RH..............80 77 72 68 61 63 20 FT WIND......E 14 E 17 E 21 E 23 E 23 SE 22 20 FT WIND GUST.20 25 30 30 30 30 HAINES INDEX....4 3 3 2 3 3 .FORECAST DAYS 3 THROUGH 5... .FRIDAY... SHOWERS AND THUNDERSTORMS LIKELY. LOWS AROUND 60. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND 17 MPH. .SATURDAY... MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 12 MPH. .SUNDAY... PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 8 MPH. $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...CHAD GRAEVE TYPE OF REQUEST...PRESCRIBED .TAG 20110518.RAILR.01/OAX