FNUS73 KDMX 061457 FWSDMX SPOT FORECAST FOR SHIMON MARSH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 957 AM CDT FRI APR 6 2012 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 06. 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... HIGH PRESSURE OVER THE AREA WILL MOVE EAST ALLOWING THE WINDS TO BECOME SOUTHEAST AND INCREASE THIS AFTERNOON. SHOWERS WILL MOVE INTO THE STATE LATE TONIGHT AND SATURDAY. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........18 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 8 TO 17 MPH INCREASING TO 18 TO 20 MPH IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100 FT AGL INCREASING TO 5200 FT AGL. MIXING WINDS........SOUTHEAST 8 TO 16 MPH INCREASING TO SOUTH 28 TO 29 MPH. SMOKE DISPERSAL.....POOR TO EXCELLENT (1800-63900 KNOT-FT) INCREASING TO EXCELLENT TO EXCELLENT (79400-116000 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 8 TO 17 MPH INCREASING TO 18 TO 20 MPH IN THE AFTERNOON. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........3 3 4 4 8 15 18 20 25 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............49 52 56 59 62 66 69 67 66 RH..............48 41 34 29 25 21 18 20 23 20 FT WIND DIR..SE SE SE SE SE S S S SE 20 FT WIND SPD..16 17 17 17 18 18 20 20 20 20 FT WIND GUST.25 25 25 25 25 25 30 30 30 EYE LVL WND DIR.SE SE SE SE SE S S S SE EYE LVL WND SPD.11 12 12 12 13 13 14 14 14 EYE LVL WND GST.25 25 25 25 25 25 30 30 30 MIX HGT (KFT)...2.1 2.9 3.6 4.4 4.7 4.9 5.2 4.9 4.6 MIXNG WIND DIR..S S S SE SE SE SE S S MIXNG WIND SPD..18 20 21 21 22 24 25 28 29 HAINES INDEX....4 4 4 4 4 3 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 48. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 12 TO 20 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4400 FT AGL DECREASING TO 2300 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 20 TO 29 MPH DECREASING TO 15 TO 17 MPH EARLY IN THE MORNING. SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (69500-109200 KNOT-FT) DECREASING TO POOR TO GOOD (10300-52500 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........SOUTH WINDS 12 TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........27 32 34 36 46 59 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TSTM COV........ ISOLTD ISOLTD ISOLTD TEMP............65 57 55 53 51 50 RH..............25 43 51 59 66 71 20 FT WIND......SE 20 S 20 S 18 S 17 S 17 S 15 20 FT WIND GUST.30 25 25 25 25 20 EYE LEVEL WIND..SE 14 S 14 S 13 S 12 S 12 S 11 EYE LVL WND GST.30 25 25 25 25 20 MIX HGT (FT)....4400 3300 2300 1300 1000 800 MIXNG WIND......S 29 S 24 S 21 S 21 S 21 S 17 HAINES INDEX....3 3 3 2 3 3 $$ FORECASTER...JOHNSON REQUESTED BY...DAN PAULSON TYPE OF REQUEST...PRESCRIBED .TAG 20120406.SHIMO.01/DMX