FNUS75 KSLC 211045
FWSSLC

SPOT FORECAST FOR COFFEE POT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
445 AM MDT TUE SEP 21 2010

...RED FLAG WARNING FROM NOON TODAY TO 9 PM MDT THIS EVENING...
...FIRE WEATHER WATCH FROM 9 AM TO 9 PM MDT WEDNESDAY...

.DISCUSSION...SOUTHWEST WINDS WILL INCREASE TODAY AS A STORM
SYSTEM MOVES ONSHORE ALONG THE CALIFORNIA COAST. COMBINED WITH
THE ALREADY DRY AIRMASS OVER THE FIRE SITE...THIS IS EXPECTED TO
PRODUCE SEVERE FIRE WEATHER CONDITIONS THIS AFTERNOON. THE SYSTEM
IS EXPECTED TO MOVE THROUGH THE AREA WEDNESDAY EVENING AND
THURSDAY MORNING. MOISTURE WILL INCREASE AHEAD OF THE SYSTEM
DURING THE DAY WEDNESDAY...PRODUCING SHOWERS AND THUNDERSTORMS AS
WINDS REMAIN GUSTY OUT OF THE SOUTHWEST. HIGH PRESSURE IS EXPECTED
TO BEGIN TO REBUILD OVER THE FIRE SITE AS THE TROUGH EXITS...AND
SHOULD PERSIST THROUGH MUCH OF THE WEEKEND.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-5 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....72-76.
  MIN HUMIDITY........7-11 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH BECOMING SOUTHWEST
                      15-25 MPH WITH GUSTS TO 35 MPH.

.TONIGHT...
  LAL.................1 UNTIL MIDNIGHT...THEN 3.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER) UNTIL
                      MIDNIGHT...THEN PARTLY CLOUDY (60-70 PERCENT
                      CLOUD COVER). A CHANCE OF SHOWERS AND
                      THUNDERSTORMS AFTER MIDNIGHT.
  MIN TEMPERATURE.....52-56.
  MAX HUMIDITY........56-60 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 10-20 MPH.

.OUTLOOK FOR WEDNESDAY...
  LAL.................3.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (80-90 PERCENT
                      CLOUD COVER). A CHANCE OF SHOWERS AND
                      THUNDERSTORMS.
  MAX TEMPERATURE.....64-68.
  MIN HUMIDITY........22-26 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 10-20 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...MOAB
REASON FOR REQUEST...WILDFIRE
.TAG 20100920.COFFE.02/SLC

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