FNUS75 KSLC 270137
FWSSLC

SPOT FORECAST FOR MILL FLAT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
737 PM MDT SAT SEP 26 2009

.DISCUSSION...RIDGE OF HIGH PRESSURE TO THE WEST OF THE WILDFIRE
SITE WILL GRADUALLY SHIFT OVERHEAD TOMORROW. THIS WILL ALLOW AN
UNSEASONABLY WARM DRY AND STABLE AIRMASS TO DOMINATE LOCAL
WEATHER THROUGH THAT TIME. THAT SAID...LOOK FOR DIURNALLY DRIVEN
LOCAL SLOPE FLOWS TO HOLD OVER THE NEXT 36 HOURS WITH LIGHT
WESTERLIES DEVELOPING BY 9PM TONIGHT...AND LIGHT UPSLOPE EAST TO
NORTHEAST WINDS BY 8AM SUNDAY AS DAYTIME HEATING ENSUES.

A STRONG PACIFIC TROUGH POISED TO BRING MAJOR CHANGES TO THE
WEATHER WEDNESDAY WILL BEGIN TO INFLUENCE THE BURN SITE MONDAY.
DEEP SOUTHERLY FLOW IS EXPECTED TO MIX DOWN DURING THE DAY ADDING
MORE OF A SOUTH TO SOUTHEAST UPSLOPE WIND...WITH INCREASINGLY
GUSTY CONDITIONS DEVELOPING DURING THE AFTERNOON. AS THE COLD
FRONT NEARS TUESDAY...SOUTHERLY WINDS WILL BECOME STRONG WITH
GUSTS LIKELY EXCEEDING 30 MPH BY THE EVENING HOURS. PASSAGE OF
THE COLD FRONT STILL LOOKS TO COME WEDNESDAY MORNING WITH A RAPID
SWITCH TO WEST/NORTHWEST WINDS...SIGNIFICANT COOLING...AND
POTENTIAL FOR WETTING RAINS.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........CLEAR (0-5 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....46-49.
  MAX HUMIDITY........37-40 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE BECOMING WEST
                      NORTHWEST 5 MPH AFTER 2100.

.SUNDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......520.
  SKY/WEATHER.........SUNNY (0-5 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....77-80.
  MIN HUMIDITY........9-12 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 MPH EARLY IN THE MORNING
                      BECOMING LIGHT AND VARIABLE...THEN BECOMING
                      EAST NORTHEAST 5 TO 10 MPH AFTER 1000.

.OUTLOOK FOR MONDAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....75-78.
  MIN HUMIDITY........7-11 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST 5-10 MPH IN THE MORNING BECOMING
                      EAST SOUTHEAST 8-15 WITH GUSTS TO 25 MPH
                      AFTER 1400.



FORECASTER...MERRILL
REQUESTED BY...MICAH SUWYN
REASON FOR REQUEST...WILDFIRE
.TAG 20090926.MILLF.01/SLC

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