FNUS73 KLOT 181319
FWSLOT

SPOT FORECAST FOR FMA8...FERMILAB
NATIONAL WEATHER SERVICE CHICAGO IL
819 AM CDT THU MAR 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SKIES WILL REMAIN MOSTLY CLEAR TODAY AS A RIDGE OF
HIGH PRESSURE IS CURRENTLY STRETCHED ACROSS THE MIDWEST. AS THIS
DROPS SOUTH TODAY...WINDS WILL GO FROM A WESTERLY DIRECTION TO
MORE OF A SOUTHWEST WIND WITH GUSTS ALSO INCREASING THROUGH THE
AFTERNOON. CLOUD COVER WILL NOT INCREASE UNTIL FRIDAY MORNING AS
A COLD FRONT APPROACHES FROM THE WEST. WITH THE APPROACH OF THIS
FRONT...PRECIPITATION CHANCES WILL ALSO INCREASE ALONG WITH WINDS
TURNING TO MORE OF A WEST NORTHWEST DIRECTION BY FRIDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
                    TEMPERATURE.........56 AT IGNITION...MAX 66.
                    MIN HUMIDITY........33 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS WEST AT 10 MPH AT IGNITION...OTHERWISE
                    WEST WINDS 8 TO 15 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................NO TSTMS.
MIXING HEIGHT.......300 FT AGL INCREASING TO 900 FT AGL EARLY IN
                    THE MORNING...THEN INCREASING TO 1800 FT AGL MID
                    MORNING...THEN INCREASING TO 3700 FT AGL AT
                    IGNITION...OTHERWISE INCREASING TO 5200-5400 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 14 TO 22 MPH.
SMOKE DISPERSAL.....GOOD /66100 KNOT-FT/ AT IGNITION. MAX...VERY
                    GOOD /100700 KNOT-FT/.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........17  17  16  19  21  23  26  28
WEATHER COV.....
WEATHER TYPE....
TEMP............60  62  64  66  66  66  65  63
RH..............33  31  29  28  28  29  31  34
20 FT WIND DIR..270 260 260 260 250 250 250 250
20 FT WIND SPD..8   10  10  11  12  12  10  9
20 FT WIND GUST.20  20  25  25  25  25  20  15
MIX HGT (KFT)...3.7 4.6 5.2 5.4 5.2 4.8 4.6 4.2
TRANSP WIND DIR.290 280 270 270 270 260 260 260
TRANSP WIND SPD.21  21  22  22  22  22  22  22
CWR.............0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1
VRATE KT-FT/100066  84  97  101 99  93  88  81

$$
FORECASTER...RATZER
REQUESTED BY...SHEMANSKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100318.FMA8_.02/LOT