FNUS73 KDMX 061336
FWSDMX

SPOT FORECAST FOR BEAVER LAKE...IDNR
NATIONAL WEATHER SERVICE DES MOINES IA
836 AM CDT FRI MAY 6 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 06.
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...
HIGH PRESSURE AT THE SURFACE WILL SHIFT EAST TODAY ALLOWING FOR LOW
PRESSURE OVER THE PLAINS TO ENTER THE MIDWEST.  AN UPPER LEVEL
DISTURBANCE WILL SWING SOUTHEAST ACROSS THE AREA AS WELL BRINGING
INCREASING CLOUDS TO IOWA ALONG WITH A CHANCE FOR SHOWERS AND ISOLATED
THUNDERSTORMS TONIGHT.

DUE TO THE INCREASING NUMBER OF SPOT REQUESTS...IT IS IMPERATIVE THAT
YOU REQUEST SPOT FORECASTS THE NIGHT BEFORE A BURN...EVEN IF IT IS JUST
FOR PLANNING PURPOSES.

.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
                    SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........27 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 14 MPH SHIFTING TO THE
                    SOUTH 15 TO 16 MPH IN THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 7000 FT AGL.
MIXING WINDS........SOUTH 9 TO 18 MPH INCREASING TO AROUND 21 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (61900 KNOT-FT) INCREASING TO EXCELLENT
                    (112100 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 14 MPH SHIFTING TO THE
                    SOUTH 15 TO 16 MPH IN THE AFTERNOON.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........23  30  38  41  45  52  55  55  55
WEATHER COV.....
WEATHER TYPE....
TEMP............59  61  63  65  68  70  72  71  70
RH..............47  44  39  37  32  30  27  30  32
20 FT WIND DIR..W   SW  SW  SW  SW  S   S   S   S
20 FT WIND SPD..10  12  13  14  15  15  16  15  15
20 FT WIND GUST.15  15  15  20  20  20  25  20  20
EYE LVL WND DIR.W   SW  SW  SW  SW  S   S   S   S
EYE LVL WND SPD.7   9   9   10  11  11  11  11  11
EYE LVL WND GST.15  15  15  20  20  20  25  20  20
MIX HGT (KFT)...1.4 2.9 4.5 6.1 6.4 6.7 7.0 6.7 6.4
MIXNG WIND DIR..W   W   SW  SW  SW  S   S   S   S
MIXNG WIND SPD..18  17  16  14  13  13  14  17  21
HAINES INDEX....5   5   5   5   5   6   6   5   5

$$
FORECASTER...BOKSA
REQUESTED BY...MICHAEL STRAUSER
TYPE OF REQUEST...PRESCRIBED
.TAG 20110506.BEAVE.01/DMX