FNUS73 KOAX 091134 FWSOAX SPOT FORECAST FOR LOESS HILLS STATE FOREST...IOWA DEPARTMENT OF NATURAL RESOURCES NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 634 AM CDT SAT APR 9 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WARM FRONT WILL MOVE THROUGH EASTERN NEBRASKA AND WESTERN IOWA TODAY. AHEAD OF THE WARM FRONT...LOW CLOUDS AND FOG WITH LITTLE OR NO MIXING ARE EXPECTED. THE WARM FRONT WILL LIFT NORTH OF THE LOCAL BURN SITE NEAR 10 AM TO NOON. ONCE THIS OCCURS...THE SKIES WILL BECOME MOSTLY SUNNY AND WINDS WILL SIGNIFICANTLY INCREASE FROM THE SOUTH SOUTHEAST. MOISTURE WILL ALSO INCREASE THROUGH THE DAY WITH GULF MOISTURE SPREADING TOWARD THE AREA. ALTHOUGH ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AFTER 4 PM...MOST OF THIS ACTIVITY WILL STAY WEST AND NORTH OF THE BURN LOCATION. A VERY MILD AND BREEZY NIGHT IS IN STORE FOR THE AREA AHEAD OF A STRONG COLD FRONT WHICH WILL MOVE THROUGH THE AREA ON SUNDAY. .TODAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING PARTLY SUNNY (55-65 PERCENT). AREAS OF FOG EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 81. MIN HUMIDITY........52 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 9 TO 18 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 20 TO 21 MPH LATE IN THE AFTERNOON. HAINES INDEX........2 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.......300-1900 FT AGL. TRANSPORT WINDS.....SOUTH 18 TO 26 MPH INCREASING TO 28 TO 31 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........100 100 90 64 61 57 WEATHER COV.....AREAS AREAS S CHC WEATHER TYPE....FOG FOG NONE NONE NONE RNSHWR TEMP............51 57 67 75 80 81 RH..............100 92 77 62 55 53 20 FT WIND......SE 9 SE 10 SE 13 SE 15 S 17 S 20 20 FT WIND GUST.10 15 20 25 30 HAINES INDEX....3 2 3 4 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 60. MAX HUMIDITY........94 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 12 TO 21 MPH SHIFTING TO THE SOUTHWEST 8 TO 10 MPH EARLY IN THE MORNING. HAINES INDEX........2 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.......300-1100 FT AGL. TRANSPORT WINDS.....SOUTH 28 TO 36 MPH BECOMING SOUTHWEST 14 TO 21 MPH AFTER MIDNIGHT...THEN SHIFTING TO THE WEST 9 TO 10 MPH EARLY IN THE MORNING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........54 62 74 83 78 72 WEATHER COV.....CHANCE CHANCE CHANCE S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............79 73 69 66 63 61 RH..............54 67 74 82 90 92 20 FT WIND......S 21 S 21 S 21 S 18 S 14 S 10 20 FT WIND GUST.30 30 30 30 20 15 HAINES INDEX....4 5 5 4 3 2 .SUNDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........29 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 8 TO 17 MPH INCREASING TO SOUTHWEST 21 TO 24 MPH LATE IN THE MORNING. 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.......1500-2400 FT AGL INCREASING TO 5700-7400 FT AGL. TRANSPORT WINDS.....WEST 5 TO 8 MPH INCREASING TO SOUTHWEST 23 TO 29 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........67 58 45 35 45 58 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............60 63 67 71 73 74 RH..............93 78 60 46 37 30 20 FT WIND......SW 8 SW 12 S 17 S 23 SW 24 SW 23 20 FT WIND GUST.10 15 25 30 30 30 HAINES INDEX....2 3 3 3 4 4 $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...BRENT OLSON TYPE OF REQUEST...PRESCRIBED .TAG 20110409.LOESS.01/OAX