FNUS73 KDMX 111230 FWSDMX SPOT FORECAST FOR LOWER MORSE...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 730 AM CDT WED APR 11 2012 FORECAST IS BASED ON IGNITION TIME OF 0740 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........21 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1900 FT AGL INCREASING TO 5400 FT AGL. MIXING WINDS........NORTHEAST 3 TO 12 MPH DECREASING TO AROUND 2 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1300-33700 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........4 4 4 4 3 3 3 3 4 4 4 5 WEATHER COV.....ARS ARS WEATHER TYPE....FST FST TSTM COV........ TEMP............23 27 32 36 41 44 47 49 51 53 52 51 RH..............62 55 45 40 33 30 27 25 22 21 23 26 20 FT WIND DIR..N N N N N N N N N NE NE NE 20 FT WIND SPD..6 7 7 8 8 7 7 7 6 6 5 2 20 FT WIND GUST. 10 10 EYE LVL WND DIR.N N N N N N N N N NE NE NE EYE LVL WND SPD.4 5 5 6 6 5 5 5 4 4 4 1 EYE LVL WND GST. 10 10 MIX HGT (KFT)...0.3 1.1 1.9 2.7 3.3 4.0 4.6 4.8 5.1 5.4 5.1 4.9 MIXNG WIND DIR..N N N NE N N N N N NE NE NE MIXNG WIND SPD..6 8 10 12 12 10 8 7 5 3 2 2 HAINES INDEX....4 5 5 5 5 5 5 5 6 6 6 6 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). WIDESPREAD FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........69 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 2 TO 7 MPH. SMOKE DISPERSAL.....POOR TO POOR (1100-9300 KNOT-FT). WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........5 9 15 19 20 21 WEATHER COV..... WIDSPD WIDSPD WEATHER TYPE....NONE NONE NONE NONE FROST FROST TSTM COV........ TEMP............50 44 40 38 35 33 RH..............28 36 46 52 56 63 20 FT WIND......NE 2 E 3 SE 5 S 6 S 6 S 5 20 FT WIND GUST. 5 EYE LEVEL WIND..NE 1 E 2 SE 4 S 4 S 4 S 4 EYE LVL WND GST. 5 MIX HGT (FT)....4600 1700 300 300 300 300 MIXNG WIND......E 2 E 5 SE 7 SE 7 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 57. MIN HUMIDITY........38 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 14 MPH SHIFTING TO THE SOUTHEAST 16 TO 17 MPH IN THE AFTERNOON. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1800 FT AGL INCREASING TO 3600 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 6 TO 14 MPH SHIFTING TO THE SOUTHEAST 16 TO 18 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1300-45000 KNOT-FT) INCREASING TO GOOD TO GOOD (50400-56500 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 6 TO 14 MPH SHIFTING TO THE SOUTHEAST 16 TO 17 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 7 AM 10 AM 1 PM 4 PM SKY (%).........22 39 57 75 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE RNSHWR RNSHWR TSTM COV........ CHANCE CHANCE TEMP............32 43 52 57 RH..............69 51 43 38 20 FT WIND......S 6 S 10G15 S 16G20 S 17G25 EYE LEVEL WIND..S 4G5 S 7G15 S 11G20 S 12G25 MIX HGT (FT)....300 1800 3500 3600 MIXNG WIND......SE 6 S 14 S 18 S 16 HAINES INDEX....5 5 5 2 $$ FORECASTER...SMALL REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20120411.LOWER.01/DMX