FNUS73 KOAX 041011 FWSOAX SPOT FORECAST FOR LOESS HILLS-MARTIN MCCALL...IOWA DNR NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 511 AM CDT MON MAY 4 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 04. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE REGION WILL BRING SOME SPOTTY SPRINKLES TO THE AREA EARLY THIS MORNING. AFTER ABOUT 10 AM... SKIES WILL BE PARTLY CLOUDY. OTHERWISE...ANOTHER WEATHER DISTURBANCE WILL BRING ANOTHER CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS TO THE AREA TONIGHT...WITH YET ANOTHER CHANCE FOR MORE STORMS TUESDAY THROUGH EARLY WEDNESDAY AS A FRONTAL BOUNDARY MOVES THROUGH THE PLAINS. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). ISOLATED RAIN SHOWERS EARLY IN THE MORNING. MAX TEMPERATURE.....58 AT IGNITION...MAX 71. MIN HUMIDITY........56 PERCENT AT IGNITION...MIN 36 PERCENT. 20-FOOT WINDS.......WINDS SOUTHWEST AT 8 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH 5 TO 14 MPH IN THE MORNING...THEN INCREASING TO 16 TO 21 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 6100-7800 FT AGL. TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH INCREASING TO SOUTH 17 TO 24 MPH LATE IN THE MORNING. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........71 68 66 64 63 65 WEATHER COV.....ISOLTD ISOLTD WEATHER TYPE....RNSHWR RNSHWR NONE NONE NONE NONE TEMP............47 54 61 67 70 71 RH..............76 62 49 42 37 36 20 FT WIND......W 3 SW 7 SW 9 S 14 S 18 S 18 20 FT WIND GUST.5 10 20 30 30 HAINES INDEX....5 5 5 5 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS. MIN TEMPERATURE.....MIN 55. MAX HUMIDITY........MAX 77 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 9 TO 14 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.......3600-5200 FT AGL DECREASING TO 300-1900 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 17 TO 23 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........72 75 78 81 78 75 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............69 65 61 59 57 56 RH..............38 47 55 64 69 75 20 FT WIND......S 14 S 12 S 10 S 10 S 9 S 9 20 FT WIND GUST.20 15 15 15 10 10 HAINES INDEX....4 4 4 4 3 3 .TUESDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....MAX 73. MIN HUMIDITY........MIN 44 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 9 TO 15 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.......300-1800 FT AGL INCREASING TO 4000-5200 FT AGL. TRANSPORT WINDS.....SOUTH 18 TO 26 MPH INCREASING TO 29 TO 30 MPH LATE IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........77 75 73 71 76 82 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............55 60 66 70 72 73 RH..............77 67 55 49 45 44 20 FT WIND......S 9 S 10 S 13 S 15 S 15 S 15 20 FT WIND GUST.10 15 15 20 20 20 HAINES INDEX....3 3 3 4 4 4 .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY... MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 14 MPH. .THURSDAY... MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH. .FRIDAY... MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 7 MPH. $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...BRIAN HICKMAN TYPE OF REQUEST...PRESCRIBED .TAG 20090504.LOESS.01/OAX