FNUS75 KSLC 121548
FWSSLC

SPOT FORECAST FOR ZION CANYON GRASS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
828 AM MST THU JAN 12 2012

.DISCUSSION...WITH A NORTHEASTERLY GRADIENT OVER THE ZION CANYON
AREA...ENHANCED WIND ARE EXPECTED DOWN THE CANYON THROUGH THE DAY
TODAY. CLEARING INDEX VALUES ARE EXPECTED TO CLIMB ABOVE 500 AFTER
NOON TODAY. WITH BUILDING STABILITY...MIXING WILL POOR TOMORROW
THROUGH SATURDAY. MIXING WILL INCREASE SUNDAY AS TRANSPORT WINDS
BEGIN TO INCREASE.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......550.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER)
                      UNTIL 1000...THEN MOSTLY SUNNY (25-35 PERCENT
                      CLOUD COVER).
  MAX TEMPERATURE.....60-63.
  MIN HUMIDITY........10-15 PERCENT.
  WINDS - 20-FOOT......NORTHEAST WINDS 8 TO 12 MPH WITH GUST TO 20
                       MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....25-28.
  MAX HUMIDITY........48-50 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE/DOWNVALLEY 5 TO 9 MPH.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......200.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....62-65.
  MIN HUMIDITY........11-13 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 4 TO 8 MPH.



FORECASTER...HOSENFELD
REQUESTED BY...HORFE
REASON FOR REQUEST...PRESCRIBED
.TAG 20120112.ZIONC.01/SLC

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