FNUS75 KSLC 181522
FWSSLC

SPOT FORECAST FOR BUMBLEBEE PVT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
822 AM MST THU FEB 18 2010

.DISCUSSION...CLOUDS ARE EXPECTED TO FILL AND LOWER THROUGH THIS
AFTERNOON AS A WEAK TROUGH SAGS THROUGH THE REGION FROM THE
NORTH. ANTICIPATE BULK OF SHOWER ACTIVITY DEVELOPING THIS
AFTERNOON WILL HANG IN THE PINE VALLEYS...BUT SOME SLOP OVER INTO
THE BURN SITE IS POSSIBLE. REGARDLESS...MIXING LOOKS ADEQUATE
WITH CLEARING INDEX TRENDS ACTUALLY IMPROVING OVER THE NEXT 24
HOURS AS MID LEVEL FLOW INCREASES FROM THE SOUTHWEST FRIDAY. ONE
NOTE...LOW LEVEL INVERSION IS EXPECTED TO FORM UP TO 6000-6500 FT
OVERNIGHT TONIGHT...BUT WILL BREAK BETWEEN 1000-1100 FRIDAY
ALLOWING VERY MIXING FOR THE REMAINDER OF THE DAY.

.TODAY...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........690.
SKY/WEATHER...........PARTLY CLOUDY TO MOSTLY CLOUDY. A
                      CHANCE MIXED RAIN AND SNOW SHOWERS AFTER
                      1100. MOST PRECIP IN THE PINE VALLEYS.
MAX TEMPERATURE.......50.
MIN HUMIDITY..........40-42 PERCENT.
WIND (20 FT)..........LIGHT AND VARIABLE WILL BECOME
                      WEST SOUTHWEST 5 TO 10 MPH IN THE LATE MORNING
                      AND AFTERNOON.

.TONIGHT...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND SNOW SHOWERS UNTIL
                      2300...THEN A SLIGHT CHANCE OF SNOW SHOWERS.
MIN TEMPERATURE.......27-29.
MAX HUMIDITY..........88-90 PERCENT.
WIND (20 FT)..........WEST WINDS 10 MPH SHIFTING TO THE NORTHEAST
                      IN THE LATE EVENING AND OVERNIGHT.

.OUTLOOK FOR FRIDAY...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+ AFTER 1000 MST.
SKY/WEATHER...........PARTLY CLOUDY (65-75 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
                      MORNING...THEN A SLIGHT CHANCE OF MIXED RAIN
                      AND SNOW. MOST PRECIP IN THE PINE VALLEYS
MAX TEMPERATURE.......47-49.
MIN HUMIDITY..........49-51 PERCENT.
WIND (20 FT)..........NORTHEAST WINDS 5 MPH SHIFTING TO THE SOUTH
                      IN THE MORNING...THEN SHIFTING TO THE
                      SOUTHWEST 15 MPH IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...J  SCHMIDT
REASON FOR REQUEST...PRESCRIBED
.TAG 20100218.BUMBL.01/SLC

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