FNUS73 KDMX 251403
FWSDMX

SPOT FORECAST FOR BAYS SHOOTING RANGE...IOWA DNR-USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
903 AM CDT THU APR 25 2013

FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 25.
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...
A RIDGE OF HIGH PRESSURE CURRENTLY OVER WESTERN IOWA WILL PUSH EAST
DURING THE DAY TODAY. WESTERLY WINDS THIS MORNING WILL BACK TO THE
SOUTHWEST AND EVENTUALLY THE SOUTH BY SUNSET AS THE RIDGE AXIS MOVES
THROUGH. OTHERWISE SKIES WILL BE MOSTLY SUNNY WITH A FEW HIGH CLOUDS.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........37 PERCENT.
EYE LEVEL WINDS.....WEST WINDS AROUND 5 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHWEST 5 TO
                    10 MPH EARLY IN THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4200 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 6400 FT AGL
                    LATE IN THE MORNING DECREASING TO 4200 FT AGL
                    LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 9 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (2500-70300 KNOT-FT)
                    INCREASING TO EXCELLENT
                    (64400-90100 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHWEST 5 TO
                    10 MPH EARLY IN THE MORNING.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........8   9   12  13  12  10  9   9   11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44  48  51  53  56  58  59  59  58
RH..............60  51  48  44  40  37  37  39  44
20 FT WIND DIR..W   SW  SW  SW  SW  SW  SW  SW  S
20 FT WIND SPD..6   8   8   9   9   10  10  10  10
20 FT WIND GUST.10  15  10  15  15  15  15  15  15
EYE LVL WND DIR.W   SW  SW  SW  SW  SW  SW  SW  S
EYE LVL WND SPD.4   6   6   6   6   7   7   7   7
EYE LVL WND GST.10  15  10  15  15  15  15  15  15
MIX HGT (KFT)...3.2 4.2 5.3 6.4 6.4 6.4 6.4 5.3 4.2
MIXNG WIND DIR..W   W   W   W   W   W   W   SW  S
MIXNG WIND SPD..13  14  15  16  16  16  16  16  17
HAINES INDEX....4   4   3   3   3   3   3   3   4

$$
FORECASTER...SMALL
REQUESTED BY...MICHAEL STRAUSER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130425.BAYSS.01/DMX