FNUS75 KSLC 251719
FWSSLC

SPOT FORECAST FOR DRY LAKE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1019 AM MST THU FEB 25 2010

.DISCUSSION...WEAK TROUGH EXITING THE REGION AT THIS TIME...BUT
LOW LEVEL INSTABILITY WILL REMAIN ELEVATED ENOUGH THROUGH THIS
AFTERNOON TO ALLOW FOR SUFFICIENT MIXING THROUGH SUNSET TONIGHT.
HIGH PRESSURE WILL AGAIN PUSH IN FROM THE WEST OVERNIGHT TONIGHT
STRENGTHENING LOW LEVEL INVERSION CONDITIONS FOR THE EARLY AM
HOURS AT DRY LAKE...BUT ANTICIPATE A BRIEF WINDOW OF MARGINAL
MIXING WILL EXIST BETWEEN 10AM AND 3PM FRIDAY. HIGH PRESSURE WILL
REMAIN IN PLACE THROUGH SATURDAY...WITH UNSETTLED WEATHER
RETURNING AGAIN SUNDAY.

.TODAY...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........800.
SKY/WEATHER...........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      A SLIGHT CHANCE OF SNOW SHOWERS UNTIL...BUT
                      MOST WILL BE NORTH OVER THE HIGHER TERRAIN.
MAX TEMPERATURE.......45-47.
MIN HUMIDITY..........49-53 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10 MPH WITH GUSTS TO 20 MPH
                      THROUGH EARLY THIS AFTERNOON...THEN TAPERING.

.TONIGHT...
LAL...................1.
HAINES INDEX..........4 ..LOW.
SKY/WEATHER...........CLEAR (0-10 PERCENT CLOUD COVER).
MIN TEMPERATURE.......24-26.
MAX HUMIDITY..........85-87 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 5 TO 10 MPH EARLY EVENING BECOMING
                      LIGHT AND VARIABLE THROUGH THE LATTER HALF OF THE
                      NIGHT.

.OUTLOOK FOR FRIDAY...
LAL...................1.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........520.
SKY/WEATHER...........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
MAX TEMPERATURE.......48-51.
MIN HUMIDITY..........37-39 PERCENT.
WIND (20 FT)..........NORTHEAST WINDS 5 MPH SHIFTING TO THE EAST IN
                      THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...RAYMOND BRINKERHOFF
REASON FOR REQUEST...PRESCRIBED
.TAG 20100225.DRYLA.01/SLC

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