FNUS73 KDMX 011034
FWSDMX

SPOT FORECAST FOR BISON NORTH...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
434 AM CST THU DEC 1 2011

FORECAST IS BASED ON IGNITION TIME OF 1030 CST ON DECEMBER 01.
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...
LIGHT AND VARIABLE WINDS EARLY THIS MORNING WILL TURN TO NORTH AND
INCREASE TO 15 TO 20 MPH AT TIMES BY MIDDAY. RELATIVE HUMIDITY
WILL BE SLOW TO DECREASE...REMAINING AROUND 50 TO 60 PERCENT THIS
AFTERNOON. A FEW SPRINKLES OR FLURRIES ARE POSSIBLE LATER IN THE
DAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
                    AND SNOW IN THE AFTERNOON.
TEMPERATURE.........38 AT IGNITION...MAX 41.
RH..................61 PERCENT AT IGNITION...MIN 57 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH 5 TO 12 MPH LATE IN
                    THE MORNING...THEN INCREASING TO 15 TO 20 MPH
                    IN THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 3100 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........NORTH 1 TO 9 MPH INCREASING TO 24 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (52600 KNOT-FT) INCREASING TO GOOD (64400
                    KNOT-FT) LATE IN THE AFTERNOON.
WIND (20 FT)........WINDS NORTH AT 12 MPH AT IGNITION...OTHERWISE
                    LIGHT WINDS BECOMING NORTH 5 TO 12 MPH LATE IN
                    THE MORNING...THEN INCREASING TO 15 TO 20 MPH
                    IN THE AFTERNOON.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80  85  87  88  91  94  96  99
WEATHER COV.....        CHC CHC CHC CHC CHC CHC
WEATHER TYPE....        RS  RS  RS  RS  RS  RS
TSTM COV........
TEMP............36  38  40  40  40  39  37  36
RH..............61  59  57  57  57  59  64  67
20 FT WIND DIR..N   N   N   N   N   N   N   N
20 FT WIND SPD..8   12  15  17  18  20  20  18
20 FT WIND GUST.10  15  20  25  25  30  30  25
EYE LVL WND DIR.N   N   N   N   N   N   N   N
EYE LVL WND SPD.6   9   11  12  13  14  14  13
EYE LVL WND GST.10  15  20  25  25  30  30  25
MIX HGT (KFT)...1.0 1.5 2.0 2.4 2.7 3.1 2.8 2.6
MIXNG WIND DIR..N   N   N   N   N   N   N   N
MIXNG WIND SPD..9   13  16  20  22  24  25  25
HAINES INDEX....3   3   3   3   3   3   3   2

$$
FORECASTER...LEE
REQUESTED BY...JAMES KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20111201.BISON.02/DMX