FNUS73 KDMX 181231 FWSDMX SPOT FORECAST FOR BLACK HAWK WMA...IA DNR NATIONAL WEATHER SERVICE DES MOINES IA 731 AM CDT WED MAY 18 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN. .DISCUSSION... THE BLOCKING PATTERN ALOFT STILL EXISTS PUTTING IOWA IN BETWEEN WEATHER SYSTEMS TODAY. MOSTLY CLEAR SKIES AND LIGHT WIND CAN BE EXPECTED WITH SOME GUSTINESS IN THE AFTERNOON. THE ONE EXCEPTION IS THE NORTHEAST WHERE A DISTURBANCE WILL BRING ADDITIONAL CLOUD COVER TO THAT AREA THIS AFTERNOON. PLEASE REMEMBER TO PUT YOUR SPOT REQUESTS IN THE NIGHT BEFORE YOU BURN... EVEN IF IT IS JUST FOR PLANNING PURPOSES. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........24 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1500 FT AGL INCREASING TO 7100 FT AGL. MIXING WINDS........EAST 6 TO 15 MPH INCREASING TO AROUND 16 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....GOOD (63300 KNOT-FT) INCREASING TO EXCELLENT (99100 KNOT-FT) IN THE AFTERNOON. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 13 MPH. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........11 10 9 8 14 27 34 37 44 WEATHER COV..... WEATHER TYPE.... TEMP............58 62 65 67 68 70 71 71 69 RH..............39 32 29 30 28 26 24 25 27 20 FT WIND DIR..SE E E E E E E E E 20 FT WIND SPD..10 10 10 10 12 12 13 13 13 20 FT WIND GUST.15 15 15 15 15 15 15 15 15 EYE LVL WND DIR.SE E E E E E E E E EYE LVL WND SPD.7 7 7 7 9 9 9 9 9 EYE LVL WND GST.15 15 15 15 15 15 15 15 15 MIX HGT (KFT)...3.6 4.4 5.2 6.0 6.3 6.7 7.1 7.0 6.8 MIXNG WIND DIR..SE SE SE SE SE E E E E MIXNG WIND SPD..13 13 13 13 13 14 14 15 16 HAINES INDEX....5 5 5 5 5 5 5 5 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........80 PERCENT. EYE LEVEL WINDS.....EAST WINDS 7 TO 12 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6700 FT AGL DECREASING TO 1100 FT AGL. MIXING WINDS........EAST 7 TO 16 MPH. SMOKE DISPERSAL.....GOOD (93600 KNOT-FT) DECREASING TO POOR (14200 KNOT-FT) IN THE LATE EVENING AND OVERNIGHT. WIND (20 FT)........EAST WINDS 7 TO 12 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 (%).........42 50 60 68 72 76 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............68 62 59 56 53 52 RH..............31 43 52 62 69 74 20 FT WIND......E 12 E 8 E 7 E 7 E 8 E 8 20 FT WIND GUST.15 10 10 10 EYE LEVEL WIND..E 9 E 6 E 5 E 5 E 6 E 6 EYE LEVEL WIND..15 10 10 10 MIX HGT (FT)....6700 2400 500 1000 900 900 MIXNG WIND......E 16 E 9 E 9 E 15 E 14 E 13 HAINES INDEX....4 4 4 3 3 3 $$ FORECASTER...BOKSA REQUESTED BY...PETE HILDRETH TYPE OF REQUEST...PRESCRIBED .TAG 20110518.BLACK.01/DMX