FNUS73 KDMX 091036
FWSDMX

SPOT FORECAST FOR RATHBUN LAKE...U.S. ARMY CORPS OF ENGINEERS
NATIONAL WEATHER SERVICE DES MOINES IA
536 AM CDT FRI APR 9 2010

FORECAST IS BASED ON IGNITION TIME OF 1230 CDT ON APRIL 09.
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...

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
                    TEMPERATURE.........62 AT IGNITION...MAX 66.
                    MIN HUMIDITY........33 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......900 FT AGL INCREASING TO 4600 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 6700 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 4600 FT
                    AGL LATE IN THE AFTERNOON DECREASING TO 2500 FT
                    AGL.
MIXING WINDS........SOUTHWEST 6 TO 15 MPH INCREASING TO AROUND 16
                    MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (40900 KNOT-FT) INCREASING TO GOOD (79800
                    KNOT-FT) IN THE AFTERNOON.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........5   5   5   6   6   6   7
WEATHER COV.....
WEATHER TYPE....
TEMP............59  62  64  64  65  65  63
RH..............33  31  30  30  30  31  34
EYE LVL WND DIR.S   S   S   S   S   S   S
EYE LVL WND SPD.6   7   8   7   7   6   6
EYE LVL WND GST.15  15  15  15  15  15  15
MIX HGT (KFT)...4.6 6.4 6.5 6.6 6.7 4.6 2.5
MIXNG WIND DIR..SW  SW  SW  SW  SW  SW  SW
MIXNG WIND SPD..10  10  12  13  14  15  16
HAINES INDEX....5   5   5   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MAX HUMIDITY........68 PERCENT.
WIND (EYE LEVEL)....SOUTHWEST WINDS 7 TO 10 MPH.
MIXING HEIGHT.......400 FT AGL.
MIXING WINDS........SOUTHWEST 9 TO 16 MPH.
SMOKE DISPERSAL.....POOR (5700 KNOT-FT).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........7      9      10     10     9      6
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
RH..............36     45     52     59     63     65
EYE LEVEL WIND..S 6    S 6    S 6    S 8    SW 8   SW 6
EYE LEVEL WIND..10     10     15     15     15     15
MIX HGT (FT)....400    300    300    300    300    300
MIXNG WIND......S 16   S 12   S 9    S 10   S 13   S 12

$$
FORECASTER...LEE
REQUESTED BY...JOHN PASA
TYPE OF REQUEST...PRESCRIBED
.TAG 20100409.RATHB.01/DMX