FNUS73 KDMX 151455
FWSDMX

SPOT FORECAST FOR SPRING CREEK...FRANKLIN COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
955 AM CDT THU MAR 15 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 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...
HIGH CIRRUS CLOUDS WILL OVERSPREAD NORTHERN IOWA THIS
MORNING...BUT OTHERWISE EXPECT MOSTLY CLEAR SKIES TODAY. AN
INVERSION ALOFT WILL KEEP MIXING HEIGHTS LOW TODAY. LIGHT
NORTHEASTERLY WINDS WILL BECOME LIGHT AND VARIABLE AROUND NOON
AND THEN BECOME MORE SOUTHERLY BY MID AFTERNOON. TEMPERATURES
WILL BE UNSEASONABLY WARM AGAIN TODAY WITH HIGHS IN THE LOWER
70S.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
TEMPERATURE.........58 AT IGNITION...MAX 73.
RH..................64 PERCENT AT IGNITION...MIN 46 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 6 MPH IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 7 MPH
                    IN THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......900 FT AGL AT IGNITION INCREASING TO 2900 FT AGL
                    BY MID AFTERNOON.
MIXING WINDS........SOUTH 1 TO 10 MPH.
SMOKE DISPERSAL.....POOR (1000 KNOT-FT) AT IGNITION...INCREASING TO
                    FAIR (20000 KNOT-FT) BY MID AFTERNOON.
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTH 5 TO 7 MPH
                    IN THE AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........25  30  32  33  34  36  37  38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58  62  65  68  70  72  71  71
RH..............64  58  56  51  49  46  49  49
20 FT WIND DIR..NE  E   SE  SE  S   S   S   S
20 FT WIND SPD..5   3   3   5   6   7   6   5
20 FT WIND GUST.    5   5
EYE LVL WND DIR.NE  E   SE  SE  S   S   S   S
EYE LVL WND SPD.4   2   2   4   4   5   4   4
EYE LVL WND GST.    5   5
MIX HGT (KFT)...0.8 1.3 1.9 2.2 2.6 2.9 2.0 1.1
MIXNG WIND DIR..NE  E   SE  SE  S   S   S   S
MIXNG WIND SPD..1   1   2   5   8   10  10  9
HAINES INDEX....5   5   5   5   5   5   5   6

$$
FORECASTER...SKOW
REQUESTED BY...JASON GOODER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120315.SPRIN.01/DMX