FNUS73 KDMX 121340
FWSDMX

SPOT FORECAST FOR SHEEDER PRAIRIE...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
840 AM CDT MON APR 12 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 12.
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...

LIGHT SOUTHEAST WINDS WILL BECOME BREEZY OUT OF THE SOUTH BY LATE
MORNING AND INTO THE AFTERNOON WITH INTERMITTENT GUSTS. THE
RELATIVE HUMIDITY WILL DROP INTO LOWER TO MID 40S BY THIS AFTERNOON.
SMOKE DISPERSAL WILL BECOME EXCELLENT TODAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........43 PERCENT.
WIND (EYE LEVEL)....SOUTH WINDS 6 TO 15 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........47  43  41  40  39  38  36  35
WEATHER COV.....
WEATHER TYPE....
TEMP............62  67  72  74  75  77  76  75
RH..............62  56  49  46  45  43  45  46
EYE LVL WND DIR.S   S   S   S   S   S   S   S
EYE LVL WND SPD.9   10  11  12  12  11  10  10
EYE LVL WND GST.20  20  25  25  25  25  25  20
HAINES INDEX....4   5   5   5   4   4   4   4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........77 PERCENT.
WIND (EYE LEVEL)....SOUTH WINDS 7 TO 11 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL DECREASING TO 2000 FT AGL EARLY IN
                    THE EVENING.
MIXING WINDS........SOUTH 23 TO 28 MPH DECREASING TO 10 TO 16 MPH
                    EARLY IN THE EVENING.
SMOKE DISPERSAL.....EXCELLENT (111400 KNOT-FT) DECREASING TO POOR
                    (8000 KNOT-FT) IN THE LATE EVENING AND
                    OVERNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........34     32     30     28     28     27
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............74     69     65     62     60     59
RH..............48     57     63     70     72     75
EYE LEVEL WIND..S 9    S 7    S 6    S 8    S 7    S 6
EYE LEVEL WIND..20     15     15     15     15     10
MIX HGT (FT)....4600   2000   700    700    700    500
MIXNG WIND......S 28   S 16   S 10   S 13   S 14   S 13
HAINES INDEX....4      4      4      4      4      4

$$
FORECASTER...DONAVON
REQUESTED BY...SAYLORVILLE UNIT
TYPE OF REQUEST...PRESCRIBED
.TAG 20100412.SHEED.01/DMX