FNUS73 KDMX 151536
FWSDMX

SPOT FORECAST FOR SOUTH FARM BUFFALO PASTURE...BIA MIDWEST REGIONAL OFFICE
NATIONAL WEATHER SERVICE DES MOINES IA
1036 AM CDT THU MAR 15 2012

FORECAST IS BASED ON IGNITION TIME OF 1145 CDT ON MARCH 15.
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...
AN INVERSION ALOFT WILL GRADUALLY ERODE DURING THE LATE MORNING
AND EARLY AFTERNOON...ALLOWING MIXING HEIGHTS TO RISE AS WELL.
UNSEASONABLY HIGH LEVELS OF WARMTH AND HUMIDITY ARE AGAIN
EXPECTED ACROSS CENTRAL AND SOUTHERN IOWA. RECORD HIGH
TEMPERATURES MAY BE REACHED. MIXING WILL BECOME FAIRLY DEEP BY
AFTERNOON...BUT WITH WINDS NOT AS STRONG AS YESTERDAY. THERE WILL
ALSO BE SLIGHT CHANCES FOR SHOWER AND THUNDERSTORM DEVELOPMENT
DURING PEAK HEATING OF THE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........70 AT IGNITION...MAX 80.
RH..................58 PERCENT AT IGNITION...MIN 44 PERCENT.
EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO
                    8 MPH IN THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL AT IGNITION INCREASING TO 5800 FT AGL
                    IN THE MID AFTERNOON.
MIXING WINDS........SOUTHWEST 1 TO 9 MPH INCREASING TO 10 TO 13 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1500 KNOT-FT) AT IGNITION BECOMING
                    EXCELLENT (63700 KNOT-FT) IN THE MID AFTERNOON.
WIND (20 FT)........LIGHT AND VARIABLE WINDS AT IGNITION BECOMING
                    SOUTH 5 TO 8 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........31  32  33  33  34  35  35  36
WEATHER COV.....            SCH SCH SCH SCH SCH
WEATHER TYPE....            RW  RW  RW  RW  RW
TSTM COV........            SCH SCH SCH SCH SCH
TEMP............66  70  73  75  77  79  78  77
RH..............58  53  48  46  45  44  45  45
20 FT WIND DIR..NW  W   SW  SW  SW  S   S   S
20 FT WIND SPD..3   2   2   5   7   8   7   6
20 FT WIND GUST.5                   10
EYE LVL WND DIR.NW  W   SW  SW  SW  S   S   S
EYE LVL WND SPD.2   1   1   4   5   6   5   4
EYE LVL WND GST.5                   10
MIX HGT (KFT)...1.6 2.2 2.8 3.8 4.8 5.8 5.2 4.7
MIXNG WIND DIR..W   SW  SW  SW  SW  S   SW  SW
MIXNG WIND SPD..2   1   1   5   9   13  13  10
HAINES INDEX....5   5   5   5   5   5   5   4

$$
FORECASTER...SKOW
REQUESTED BY...MARTY CASSELLIUS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120315.SOUTH.08/DMX