FNUS75 KSLC 211550
FWSSLC

SPOT FORECAST FOR MOOSE HOLLOW 916
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
850 AM MST MON NOV 21 2011

.DISCUSSION...A WEAK BUT VERY MOIST STORM SYSTEM WILL CROSS THE
STATE TODAY. THOUGH TRANSPORT WINDS ARE LIGHT...THIS WILL PRODUCE
ENOUGH INSTABILITY FOR GOOD MIXING. HIGH PRESSURE WILL MOVE IN
QUICKLY THIS EVENING...BRINGING A DRY AND STABLE AIRMASS WITH
LIGHT WINDS FOR TUESDAY. BECAUSE OF THIS...MIXING WILL DECREASE TO
THE FAIR TO POOR RANGE. SOUTHWESTERLY TRANSPORT WINDS WILL
INCREASE WEDNESDAY AHEAD OF AN APPROACHING STORM SYSTEM...AND THIS
WILL LIKELY IMPROVE MIXING. THE STORM SYSTEM WILL IMPACT THE
REGION THURSDAY THROUGH FRIDAY BEFORE HIGH PRESSURE RETURNS FOR
THE WEEKEND.

NOTE: FORECASTED MINIMUM RELATIVE HUMIDITY FOR TODAY IS HIGHER
THAN THE RELATIVE HUMIDITY OBSERVATION SUBMITTED WITH THE SPOT
FORECAST. BELIEVE THAT COMPARED WITH OTHER NEARBY
OBSERVATIONS...THE RELATIVE HUMIDITY SUBMITTED WITH THE SPOT IS
ANOMALOUSLY LOW GIVEN NEARBY PRECIPITATION AND HAVE ADJUSTED
FORECAST ACCORDINGLY.

.TODAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......600.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      SNOW SHOWERS UNTIL 1100...THEN SCATTERED SNOW
                      SHOWERS.
  MAX TEMPERATURE.....36-40.
  MIN HUMIDITY........68-72 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER)
                      UNTIL 2300...THEN PARTLY CLOUDY (40-50
                      PERCENT CLOUD COVER).
  MIN TEMPERATURE.....20-24.
  MAX HUMIDITY........93-97 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE/DOWNVALLEY WINDS UP TO 5 MPH.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......300.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....40-44.
  MIN HUMIDITY........46-50 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS UP TO 5 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...STEVE RUTTER
REASON FOR REQUEST...PRESCRIBED
.TAG 20111121.MOOSE.01/SLC

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