FNUS73 KDMX 230151
FWSDMX

SPOT FORECAST FOR NORTH BISON...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
851 PM CDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 23.
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...
DEWPOINTS WILL INCREASE OVERNIGHT INTO THURSDAY WITH HIGHER RELATIVE
HUMIDITY THAN WEDNESDAY. EXPECT BREEZY CONDITIONS...WITH A SSE WIND
GUSTING OVER 20 MPH IN THE AFTERNOON.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........71 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 9 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL.
MIXING WINDS........SOUTHEAST 7 TO 13 MPH.
SMOKE DISPERSAL.....POOR (11400 KNOT-FT).

TIME (CDT)      9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........14     18     24     27     35
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............65     59     56     54     52
RH..............37     44     53     59     69
EYE LEVEL WIND..SE 4   SE 5   SE 6   SE 6   SE 6
EYE LEVEL WIND..5      10     15     15     15
MIX HGT (FT)....1900   300    300    300    300
MIXNG WIND......SE 7   SE 9   SE 13  SE 13  SE 12
HAINES INDEX....4      4      4      4      4

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........47 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 16 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 3900 FT AGL LATE IN
                    THE MORNING...THEN DECREASING TO 1900 FT AGL
                    LATE IN THE AFTERNOON.
MIXING WINDS........SOUTH 12 TO 18 MPH INCREASING TO 22 TO 28 MPH
                    LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD (45300 KNOT-FT) INCREASING TO EXCELLENT
                    (82300 KNOT-FT) IN THE AFTERNOON.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........37        28        39        45
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............51        64        74        79
RH..............68        58        50        47
EYE LEVEL WIND..SE 6G10   S 10G25   S 11G25   S 13G30
MIX HGT (FT)....300       600       3300      3900
MIXNG WIND......SE 12     S 16      S 24      S 24
HAINES INDEX....4         4         5         5

$$
FORECASTER...KINNEY
REQUESTED BY...JAMES KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090423.NORTH.01/DMX