FNUS73 KDVN 161441
FWSDVN

SPOT FORECAST FOR CAIRO WOODS UNIT 5...LOUISA COUNTY CONSERVATION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
941 AM CDT THU APR 16 2009

FORECAST IS BASED ON IGNITION TIME OF 1130 CDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE GREAT LAKES WILL MOVE SLOWLY TO THE EAST
TODAY CONTINUING THE STRETCH OF DRY AND SEASONABLY WARM WEATHER
OVER IOWA AND ILLINOIS. EAST TO SOUTHEAST WINDS FROM 5 TO 10 MPH
WILL GRADUALLY VEER TO THE SOUTH BY FRIDAY AS THE HIGH MOVES
FURTHER EAST. THE VERY DRY AIRMASS ORIGINATING UNDER THE HIGH
WILL RESULT IN LOW HUMIDITY VALUES THIS AFTERNOON AND AGAIN FRIDAY
AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........61 AT IGNITION...AFTERNOON MAXIMUM 68.
RH..................45 PERCENT AT IGNITION...AFTERNOON MINIMUM 35 PERCENT.
EYE LEVEL WINDS.....WINDS EAST AT 5 MPH AT IGNITION...REMAINING
                    EAST 5 TO 8 MPH THROUGH THE AFTERNOON.
WIND SHIFT..........NONE.
HAINES INDEX........2 TO 4 OR LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL INCREASING TO 4500 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 10 TO 15 MPH SHIFTING TO THE EAST 16
                    TO 18 MPH LATE IN THE AFTERNOON.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............58     64     68     66
RH..............47     38     35     40
EYE LEVEL WIND..120/6 110/8 110/8 110/8
EYE LEVEL WIND..       15     15     15
HAINES INDEX....2      3      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MINIMUM 41.
RH..................MAXIMUM 82 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 MPH.
WIND SHIFT..........NONE.
HAINES INDEX........3 TO 4 OR LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL DECREASING TO 500 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........EAST 10 TO 18 MPH DECREASING TO 6 TO 8 MPH IN
                    THE LATE EVENING AND OVERNIGHT.

$$
FORECASTER...SHEETS
REQUESTED BY...KATIE HAMMOND
TYPE OF REQUEST...PRESCRIBED
.TAG 20090416.CAIRO.01/DVN