FNUS73 KDMX 110907 FWSDMX SPOT FORECAST FOR UNION HILLS...IOWA DNR-USFWS NATIONAL WEATHER SERVICE DES MOINES IA 407 AM CDT WED APR 11 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 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 53. MIN HUMIDITY........23 PERCENT. EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2000 FT AGL INCREASING TO 5400 FT AGL. MIXING WINDS........NORTHEAST 3 TO 12 MPH DECREASING TO 1 TO 2 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO GOOD (1300-33300 KNOT-FT). WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........4 3 3 3 3 4 4 4 5 WEATHER COV..... WEATHER TYPE.... TSTM COV........ TEMP............36 40 43 46 48 50 52 51 50 RH..............35 33 30 29 27 24 23 26 28 20 FT WIND DIR..N N N N N N NE NE NE 20 FT WIND SPD..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 NE NE NE EYE LVL WND SPD.6 6 5 5 5 4 4 4 1 EYE LVL WND GST.10 10 MIX HGT (KFT)...2.9 3.4 3.9 4.4 4.7 5.0 5.4 5.1 4.8 MIXNG WIND DIR..N N N N N NE NE NE E MIXNG WIND SPD..12 12 10 8 6 3 2 1 2 HAINES INDEX....5 5 5 5 5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). WIDESPREAD FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 28. MAX HUMIDITY........75 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.......4500 FT AGL DECREASING TO 1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 2 TO 6 MPH. SMOKE DISPERSAL.....POOR TO POOR (1000-9100 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 14 18 19 20 WEATHER COV..... WIDSPD WIDSPD WEATHER TYPE....NONE NONE NONE NONE FROST FROST TSTM COV........ TEMP............49 42 39 36 33 32 RH..............31 43 50 59 63 66 20 FT WIND......NE 2 E 3 SE 5 S 6 S 6 S 6 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)....4500 1700 300 300 300 300 MIXNG WIND......E 2 SE 3 SE 5 S 6 S 6 S 6 HAINES INDEX....6 5 5 5 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 57. MIN HUMIDITY........35 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 15 MPH SHIFTING TO THE SOUTHEAST AROUND 16 MPH EARLY IN THE AFTERNOON. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1700 FT AGL INCREASING TO 3700 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTH 6 TO 15 MPH INCREASING TO 15 TO 17 MPH LATE IN THE MORNING. SMOKE DISPERSAL.....POOR TO GOOD (1300-55100 KNOT-FT). WIND (20 FT)........SOUTH WINDS 6 TO 15 MPH SHIFTING TO THE SOUTHEAST 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 (%).........20 34 47 67 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE RNSHWR RNSHWR TSTM COV........ CHANCE CHANCE TEMP............30 42 52 57 RH..............75 53 41 35 20 FT WIND......S 6 S 10 S 15G20 S 16G25 EYE LEVEL WIND..S 4G5 S 7G10 S 11G20 S 11G25 MIX HGT (FT)....300 1700 3700 3600 MIXNG WIND......S 6 S 13 S 17 S 15 HAINES INDEX....5 5 6 2 $$ FORECASTER...SMALL REQUESTED BY...TODD WALROD TYPE OF REQUEST...PRESCRIBED .TAG 20120411.UNION.01/DMX