FNUS75 KSLC 141523
FWSSLC

SPOT FORECAST FOR YELLOWSTONE SAGE RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
923 AM MDT THU APR 14 2011

.DISCUSSION...MIXING POTENTIAL WILL REMAIN ELEVATED TODAY IN
WAKE OF LAST NIGHTS COLD FRONT. THOUGH WIND SPEEDS WILL BE
TRENDING TO DIMINISH OUT OF THE NORTHWEST...GUSTY CONDITIONS WILL
REMAIN IN PLACE THROUGH THIS AFTERNOON BEFORE TAPERING OVERNIGHT.
COINCIDENT WITH THAT...CI VALUES WILL REMAIN UNLIMITED TODAY FOR
YELOWSTONE SAGE. LOW AMPLITUDE RIDGING WILL BEGIN TO BUILD INTO
THE REGION FRIDAY...BUT THE ASSOCIATED HIGH PRESSURE IS
ANTICIPATED TO BE RATHER WEAK ALLOWING FOR A CONTINUATION OF GOOD
CLEARING INDEX CONDITIONS AND MODERATE MIXING. A MOIST WESTERLY
FLOW WILL DEVELOP SATURDAY ALLOWING FOR UNSETTLED CONDITIONS
STARTING SUNDAY...THOUGH AND PRECIP SHOULD REMAIN SHOWERY AND
FOCUSED NORTH OVER THE UINTAS AND WEST ALONG THE WASATCH.

.TODAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SNOW SHOWERS UNTIL NOON.
  MAX TEMPERATURE.....41-43.
  MIN HUMIDITY........24-29 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH GUSTING TO 25 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....17-19.
  MAX HUMIDITY........59-61 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS SWITCHING TO NORTH
                      5 TO 10 MPH GUSTING TO 15 MPH.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....46-48.
  MIN HUMIDITY........23-25 PERCENT.
  WINDS - 20-FOOT.....WINDS TRANSITIONING TO MORE OF A DIURNAL
                      FLOW...WITH UPSLOPE 4 TO 9 MPH TAKING
                      HOLD AFTER 10-1100.



FORECASTER...MERRILL
REQUESTED BY...MARTELL GIBBONS
REASON FOR REQUEST...PRESCRIBED
.TAG 20110414.YELLO.01/SLC

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