FNUS75 KSLC 280052
FWSSLC

SPOT FORECAST FOR DUCK CREEK RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
552 PM MST SUN NOV 27 2011

.DISCUSSION...RIDGE OF HIGH PRESSURE OVER THE BURN AREA TONIGHT
WILL BE NUDGED TO THE SOUTH AND EAST ON MONDAY AS A WEAKENING COLD
MOVES INTO UTAH FROM THE NORTH. LOW LEVEL INVERSION WILL BE SLOW
TO ERODE ON MONDAY. INVERSION WILL REMAIN STRONG THROUGH THE
MORNING AND WILL LIKELY NEVER COMPLETELY MIX OUT...EVEN IN THE
AFTERNOON. THIS WILL RESULT IN LOW CLEARING INDICES THROUGH THE
DAY. THE BEST MIXING WILL BE BETWEEN NOON-400 PM MDT...BUT EVEN
THEN CLEARING INDICES WILL BE BELOW 500. DRY COLD FRONT WILL MOVE
THROUGH THE BURN SITE ON MONDAY EVENING TURNING THE WINDS TO THE
NORTH. CLEARING INDICES ARE EXPECTED TO REMAIN LOW BEHIND THE
FRONT ON TUESDAY WITH LIMITED MIXING AND LIGHT NORTHEAST WINDS.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....27-32.
  MAX HUMIDITY........45-50 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING
                      DOWNSLOPE/DOWNVALLEY 3-8 MPH.

.MONDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......350.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....57-62.
  MIN HUMIDITY........13-18 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE IN THE MORNING BECOMING
                      UPSLOPE/UPVALLEY 5-10 MPH.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......250.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....50-55.
  MIN HUMIDITY........15-20 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 TO 10 MPH.



FORECASTER...GRAHAM
REQUESTED BY...EARL LEVANGER
REASON FOR REQUEST...PRESCRIBED
.TAG 20111127.DUCKC.01/SLC

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