FNUS73 KLOT 161238
FWSLOT

SPOT FORECAST FOR ILBSP NORTH UNIT...ILLINOIS DNR
NATIONAL WEATHER SERVICE CHICAGO IL
738 AM CDT FRI APR 16 2010

FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL MOVE THROUGH NORTHEAST ILLINOIS THIS
MORNING. A NORTHWEST WIND WILL CONTINUE THROUGH THE DAY. HIGH PRESSURE
WILL BUILD OVER NORTH DAKOTA BY THIS EVENING.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
                    TEMPERATURE.........60 AT IGNITION...MAX 60.
                    MIN HUMIDITY........65 PERCENT AT IGNITION...MIN 47 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 12 MPH AT
                    IGNITION...OTHERWISE NORTHWEST WINDS 10 TO 14
                    MPH. GUSTS UP TO 30 MPH.
CHANCE OF PCPN......10 PERCENT.
MIXING HEIGHT.......RIGHT ALONG THE LAKE SHORE THE MIXING HEIGHT
                    WILL START AT 600 FT AGL AND WILL INCREASE
                    TO 2000 FT AGL EARLY IN THE MORNING...THEN
                    WILL INCREASE TO 4300 FT AGL AT IGNITION.

                    FURTHER INLAND...MIXING HEIGHT WILL START
                    AT 3300 FT AGL IN THE MORNING INCREASING TO
                    4300 FT AGL AT IGNITION.

                    AT BOTH LOCATIONS...THE MIXING HEIGHT WILL
                    INCREASE TO 5500 TO 6700 FT AGL THIS AFTERNOON
                    AND WILL DECREASE TO 3900 TO 4900 FT AGL BY
                    EVENING.

TRANSPORT WINDS.....NORTHWEST 24 TO 32 MPH.
SMOKE DISPERSAL.....GOOD /94000 KNOT-FT/ AT IGNITION.
                    MAX...EXCELLENT /186600 KNOT-FT/.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........40  39  37  36  35  34  32  31  30  29
WEATHER COV.....
WEATHER TYPE....
TEMP............60  60  60  60  60  60  60  59  57  55
RH..............65  60  56  53  51  49  47  47  47  47
20 FT WIND DIR..310 310 310 310 310 310 320 320 330 330
20 FT WIND SPD..9   10  10  10  11  11  11  11  11  10
20 FT WIND GUST.20  20  20  20  25  25  30  30  30  25
MIX HGT (KFT)...3.3 4.3 5.0 5.5 5.9 6.3 6.7 5.8 4.9 3.9
TRANSP WIND DIR.310 310 310 310 310 310 320 320 320 330
TRANSP WIND SPD.24  25  26  29  31  31  32  32  32  32
CWR.............10  10  10  10  10  10  10  10  10  10
VRATE KT-FT/100069  94  117 138 157 173 187 162 137 110

$$
FORECASTER...WILSON
REQUESTED BY...BRAD SEMEL
TYPE OF REQUEST...PRESCRIBED
.TAG 20100416.ILBSP.01/LOT