FNUS73 KDMX 110908 FWSDMX SPOT FORECAST FOR HARRIER MARSH...USFWS NATIONAL WEATHER SERVICE DES MOINES IA 408 AM CDT WED APR 11 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 11. 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... SURFACE HIGH PRESSURE FROM MANITOBA INTO THE MISSOURI RIVER VALLEY EARLY THIS MORNING WILL MOVE SLOWLY EASTWARD EXITING INTO THE MISSISSIPPI VALLEY BY LATE AFTERNOON. CONDITIONS WILL REMAIN QUITE DRY TODAY BUT WITH MUCH LESS WIND THAN THE PAST SEVERAL DAYS. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........23 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 9 MPH BECOMING LIGHT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2700 FT AGL INCREASING TO 5500 FT AGL. MIXING WINDS........NORTH 5 TO 13 MPH SHIFTING TO THE NORTHEAST AROUND 3 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (6000-39400 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH BECOMING LIGHT. TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........6 7 7 7 7 7 6 6 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............45 47 49 51 52 53 52 52 RH..............28 28 28 26 24 23 25 27 20 FT WIND DIR..N N N N NE NE NE E 20 FT WIND SPD..8 6 5 5 5 5 5 3 20 FT WIND GUST.10 5 EYE LVL WND DIR.N N N N NE NE NE E EYE LVL WND SPD.6 4 4 4 4 4 4 2 EYE LVL WND GST.10 5 MIX HGT (KFT)...3.9 4.3 4.7 5.0 5.3 5.5 5.2 4.9 MIXNG WIND DIR..NE N N N N NE NE E MIXNG WIND SPD..12 9 7 6 5 3 3 3 HAINES INDEX....5 5 5 6 6 6 6 6 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). WIDESPREAD FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........69 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH EARLY IN THE EVENING. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHEAST 3 TO 6 MPH. SMOKE DISPERSAL.....POOR TO FAIR (1100-13600 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH EARLY IN THE EVENING. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........6 9 13 16 20 26 WEATHER COV..... WIDSPD WIDSPD WEATHER TYPE....NONE NONE NONE NONE FROST FROST TSTM COV........ TEMP............50 45 41 39 37 35 RH..............30 38 48 54 56 64 20 FT WIND......E 3 E 5 SE 6 S 6 S 6 S 6 20 FT WIND GUST.5 EYE LEVEL WIND..E 2 E 4 SE 4 S 4 S 4 S 4 EYE LVL WND GST.5 MIX HGT (FT)....4500 1700 300 300 300 300 MIXNG WIND......E 3 SE 5 SE 6 SE 6 S 6 S 6 HAINES INDEX....6 6 5 5 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........43 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 15 MPH INCREASING TO AROUND 16 MPH EARLY IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 3600 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 6 TO 15 MPH SHIFTING TO THE SOUTHEAST 17 TO 21 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (1300-39400 KNOT-FT) INCREASING TO GOOD TO EXCELLENT (55700-60400 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTHEAST WINDS 6 TO 15 MPH INCREASING TO AROUND 16 MPH EARLY IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........31 54 77 89 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE RNSHWR RNSHWR TSTM COV........ CHANCE CHANCE TEMP............34 45 53 58 RH..............69 51 44 44 20 FT WIND......SE 6 SE 10 SE 15G20 SE 16G25 EYE LEVEL WIND..SE 4G5 SE 7G10 SE 11G20 SE 11G25 MIX HGT (FT)....300 900 3400 3600 MIXNG WIND......SE 6 S 13 S 20 S 20 HAINES INDEX....5 5 2 2 $$ FORECASTER...SMALL REQUESTED BY...CHAD LORETH TYPE OF REQUEST...PRESCRIBED .TAG 20120411.HARRI.01/DMX