FNUS73 KDMX 202043
FWSDMX

SPOT FORECAST FOR WEST FORK PRESCRIBED BURN...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
343 PM CDT MON APR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 21.
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...
EXPECT GUSTY NORTHWEST WINDS ONCE AGAIN ON TUESDAY...ESPECIALLY MID
MORNING TO EARLY AFTERNOON. WITH AMPLE SUN...WIND GUSTS COULD
APPROACH OR EVEN EXCEED TODAYS GUSTS FOR A PERIOD. LIGHTER WINDS
ARE ANTICIPATED ON WEDNESDAY THOUGH WIND DIRECTION WILL BE
VARIABLE. AN UPDATED FORECAST WILL BE ISSUED AROUND 4 AM TUESDAY FOR
THIS LOCATION.


.TUESDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 11 TO 17 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 8800 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 21 MPH INCREASING TO 26 TO 35
                    MPH EARLY IN THE MORNING...THEN DECREASING TO
                    20 TO 23 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT (80100 KNOT-FT) INCREASING TO
                    EXCELLENT (194200 KNOT-FT) LATE IN THE
                    MORNING...THEN INCREASING TO EXCELLENT (210800
                    KNOT-FT) EARLY IN THE AFTERNOON DECREASING TO
                    EXCELLENT (201600 KNOT-FT) LATE IN THE
                    AFTERNOON.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........37  39  44  46  49  55  58  58  58  58  61  66
WEATHER COV.....
WEATHER TYPE....
TEMP............36  40  44  47  51  53  56  57  59  60  59  59
RH..............75  64  53  47  41  38  32  33  30  29  32  32
EYE LVL WND DIR.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
EYE LVL WND SPD.9   10  11  15  16  17  18  17  16  14  13  10
EYE LVL WND GST.20  25  30  30  30  30  30  30  35  35  30  25
MIX HGT (KFT)...1.0 2.1 3.2 4.3 5.6 6.8 8.1 8.3 8.5 8.8 8.4 8.1
MIXNG WIND DIR..NW  NW  N   N   N   N   N   NW  NW  NW  NW  NW
MIXNG WIND SPD..15  21  29  35  35  32  30  29  28  26  23  20
HAINES INDEX....5   5   5   5   5   5   5   5   5   5   5   4

$$
FORECASTER...DONAVON
REQUESTED BY...DAVE WHITE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090420.WESTF.01/DMX