FNUS73 KPAH 122020
FWSPAH

SPOT FORECAST FOR BUCHANAN 13...ILLINOIS DNR
NATIONAL WEATHER SERVICE PADUCAH KY
320 PM CDT THU MAR 12 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 13.

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
CLOUD COVER WILL BE A CRITICAL ELEMENT FOR REDUCING DAYTIME RELATIVE
HUMIDITIES LATE FRIDAY MORNING. SHOULD A PROLONGED BREAK IN THE CLOUDS
OCCUR...TEMPERATURES MAY RISE AT LEAST TWO DEGREES HIGHER THAN FORECAST
AHD RELATIVE HUMIDITIES MAY FALL INTO THE 35 TO 40 PERCENT RANGE DURING
THE EARLY AFTERNOON. AN INVERSION WILL KEEP MIXING HEIGHTS AND THE EVENTUAL
SMOKE PLUME BELOW 2000 FEET ABOVE GROUND LEVEL THROUGH THE EARLY AFTERNOON.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
TEMPERATURE.........37 AT IGNITION...MAX 45.
RH..................57 PERCENT AT IGNITION...MIN 44 PERCENT.
WIND (20 FT)........WINDS NORTHEAST AT 10 MPH AT
                    IGNITION...OTHERWISE NORTHEAST WINDS 5 TO 10
                    MPH.
CWR.................0 PERCENT.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............28     32     37     41     44     44
RH..............73     67     57     50     45     45
20 FT WIND......NE 4   NE 6   NE 8   NE 7   NE 7   NE 6
20 FT WIND GUST.5      10     20     10     15     10
CWR.............0      0      0      0      0      0

$$
FORECASTER...SMITH
REQUESTED BY...RICHARD JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20090313.BUCHA.01/PAH