FNUS73 KDMX 311521
FWSDMX

SPOT FORECAST FOR CALKINS NATURE AREA...HARDIN COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
1021 AM CDT THU MAR 31 2011

FORECAST IS BASED ON IGNITION TIME OF 1020 CDT ON MARCH 31.
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...
UPPER LEVEL DISTURBANCE WILL PUSH EASTWARD TODAY SPREADING PRECIPITATION
ACROSS THE AREA. PRECIPITATION CHANCES WILL INCREASE THROUGHOUT THE
AFTERNOON. TOTAL RAINFALL WILL BE LIGHT.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN
                    IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 49.
MIN HUMIDITY........56 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 6 TO 9 MPH EARLY
                    IN THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 4700 FT AGL EARLY IN
                    THE MORNING...THEN INCREASING TO 6800 FT AGL
                    LATE IN THE MORNING DECREASING TO 4200 FT AGL
                    LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 5 TO 14 MPH.
SMOKE DISPERSAL.....GOOD (53700 KNOT-FT) INCREASING TO GOOD (74600
                    KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 9 MPH EARLY
                    IN THE MORNING.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........76  79  82  83  85  88  91  94  97
WEATHER COV.....            CHC CHC CHC CHC CHC CHC
WEATHER TYPE....            RN  RN  RN  RN  RN  RN
TEMP............38  41  43  45  46  47  48  48  47
RH..............64  59  60  58  58  56  56  58  60
20 FT WIND DIR..S   S   S   S   S   S   S   S   SW
20 FT WIND SPD..5   6   6   6   7   7   7   6   6
20 FT WIND GUST.10  10  15  15  15  15  15  15  15
EYE LVL WND DIR.S   S   S   S   S   S   S   S   SW
EYE LVL WND SPD.5   6   6   6   7   7   7   6   6
EYE LVL WND GST.10  10  15  15  15  15  15  15  15
MIX HGT (KFT)...4.1 4.7 5.2 5.8 6.1 6.4 6.8 5.5 4.2
MIXNG WIND DIR..S   S   S   S   S   S   S   S   SW
MIXNG WIND SPD..9   10  12  13  13  13  13  13  14
HAINES INDEX....4   4   4   4   4   4   4   4   3

$$
FORECASTER...WILKINS
REQUESTED BY...ROB ALLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20110331.CALKI.01/DMX