FNUS73 KDMX 112226 FWSDMX SPOT FORECAST FOR RATHBUN...US ARMY COE-RATHBUN NATIONAL WEATHER SERVICE DES MOINES IA 526 PM CDT SUN MAR 11 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED... PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... UPPER LEVEL LOW PRESSURE APPROACHING THE MISSOURI VALLEY THIS EVENING WILL ENTER IOWA OVERNIGHT AND EXIT BY MIDDAY MONDAY. THIS WILL BRING A PERIOD OF PERSISTENT SHOWERS THIS EVENING FOLLOWED BY MORE SCATTERED SHOWERS OVERNIGHT AND MONDAY MORNING. THE PRECIPITATION IS EXPECTED TO END OVER SOUTHERN IOWA BY LATE MORNING FOLLOWED BY A RETURN TO WARMER TEMPERATURES AND LOWER HUMIDITIES BY AFTERNOON. .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). WIDESPREAD RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING...THEN SCATTERED RAIN SHOWERS AFTER MIDNIGHT. MAX HUMIDITY........100 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 15 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........100 100 100 100 96 92 WEATHER COV.....WIDSPD WIDSPD WIDSPD SCTTRD SCTTRD SCTTRD WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD ISOLTD ISOLTD RH..............83 89 93 96 93 96 EYE LEVEL WIND..SE 11 SE 11 S 10 S 9 S 9 S 9 EYE LVL WND GST.20 20 20 15 15 15 .MONDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........45 PERCENT. EYE LEVEL WINDS.....SOUTHWEST WINDS 10 TO 18 MPH INCREASING TO 12 TO 20 MPH LATE IN THE MORNING. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 5200 FT AGL. MIXING WINDS........WEST 15 TO 24 MPH. SMOKE DISPERSAL.....GOOD (53900 KNOT-FT) INCREASING TO EXCELLENT (108700 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHWEST WINDS 10 TO 18 MPH INCREASING TO 12 TO 20 MPH LATE IN THE MORNING. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........86 82 73 65 56 47 43 40 33 27 21 14 WEATHER COV.....SCH SCH SCH SCH SCH SCH WEATHER TYPE....RW RW RW RW RW RW TSTM COV........ TEMP............47 48 49 52 55 59 62 65 67 68 68 66 RH..............96 93 89 83 74 64 58 52 49 47 45 48 20 FT WIND DIR..S S S S SW SW SW SW SW SW SW W 20 FT WIND SPD..10 12 13 16 18 20 20 17 16 15 13 12 20 FT WIND GUST.15 15 15 20 25 30 30 25 25 20 15 15 EYE LVL WND DIR.S S S S SW SW SW SW SW SW SW W EYE LVL WND SPD.7 9 9 11 13 14 14 12 11 11 9 9 EYE LVL WND GST.15 15 15 20 25 30 30 25 25 20 15 15 MIX HGT (KFT)...0.3 0.9 1.5 2.2 2.5 2.8 3.0 3.7 4.5 5.2 4.7 4.3 MIXNG WIND DIR..S S S S S S S SW SW W W W MIXNG WIND SPD..15 16 18 21 22 23 23 24 24 24 22 20 HAINES INDEX....3 3 4 4 4 4 4 4 3 3 3 3 $$ FORECASTER...SMALL REQUESTED BY...JOHN PASA TYPE OF REQUEST...PRESCRIBED .TAG 20120312.RATHB.01/DMX