FNUS75 KSLC 020239
FWSSLC

SPOT FORECAST FOR FOUR MILE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
840 PM MDT THU SEP 1 2011

.DISCUSSION...THE SLOW-MOVING FRONTAL BOUNDARY ACROSS CENTRAL UTAH
AT MID-EVENING WILL REACH THE FIRE SITE AND THEN STALL LATE
TONIGHT. GUSTY WEST-SOUTHWEST WINDS OVER THE FIRE SITE SHOULD
CONTINUE TO TREND DOWNWARD THROUGH THE BALANCE OF THE EVENING...
FOLLOWED BY LIGHT TERRAIN DRIVEN WINDS FRIDAY THROUGH EARLY NEXT
WEEK. THE VERY DRY AND STABLE AIR MASS ASSOCIATED WITH THE FRONT WILL
LEAD TO POOR HUMIDITY RECOVERIES AT NIGHT WITH DAY TIME READINGS IN
THE SINGLE DIGITS AND LOW TEENS THROUGH SATURDAY. MOISTURE WILL BEGIN
TO WORK NORTH AGAIN LATE IN THE WEEKEND...WITH ISOLATED THUNDERSTORMS
POSSIBLE SUNDAY AFTERNOON. A SOLID MOISTURE SURGE WILL BRING AN
INCREASED THREAT OF THUNDERSTORMS WITH WETTING RAINS TO THE AREA
EARLY NEXT WEEK.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........CLEAR (0-5 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....54-57.
  MAX HUMIDITY........16-19 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 12-16 MPH WITH GUSTS TO 25 MPH
                      ...BECOMING WEST 6 TO 12 MPH BY 2300.

.FRIDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......380.
  SKY/WEATHER.........SUNNY (0-5 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....82-85.
  MIN HUMIDITY........6-8 PERCENT.
  WINDS - 20-FOOT.....WEST SOUTHWEST WINDS 5-9 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......440.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....81-84.
  MIN HUMIDITY........8-10 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110901.FOURM.02/SLC

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