FNUS75 KSLC 070146
FWSSLC

SPOT FORECAST FOR SETTLEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
746 PM MDT THU AUG 6 2009

...RED FLAG WARNING FROM 2 PM THIS AFTERNOON TO 3 AM MDT FRIDAY...

.DISCUSSION...A STRONG DRY COLD FRONT CURRENTLY 10 MILES WEST OF
GRANTSVILLE WILL MOVE THROUGH THE WILDFIRE SITE IN ROUGHLY ONE
HOURS TIME. STRONG AND GUSTY SOUTH WINDS WILL RAPIDLY SWITCH TO THE
NORTHWEST AT 35 TO 45 MPH WITH GUSTS PUSHING THE 60 MPH RANGE.
WIND SPEEDS WILL SLOWLY DIMINISH AFTER 930 PM.

THE LARGE TROUGH OVER NEVADA WILL CONTINUE TO MOVE EAST THROUGH THE
GREAT BASIN OVERNIGHT ALLOWING SIGNIFICANT COOLING THROUGHOUT THE
REGION. GOOD HUMIDITY RECOVERY IS EXPECTED AS TEMPERATURES SHOULD
FALL INTO THE UPPER 50S AT THE SITE OVERNIGHT. COOL TEMPERATURES WILL
HOLD THROUGH THE DAY AS WELL AS SECONDARY COLD FRONT IS EXPECTED
TO MOVE THROUGH NORTHERN UTAH MID TO LATE AFTERNOON FRIDAY. WITH MORE
MOISTURE TO WORK WITH...THE POTENTIAL FOR ISOLATED TO SCATTERED
STRONG THUNDERSTORMS EXISTS THROUGH THE EVENING HOURS. COOL
TEMPERATURES WILL HOLD THROUGH SUNDAY WITH A GRADUAL DRYING TREND.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). ISOLATED
                      THUNDERSTORMS THROUGH MIDNIGHT.
  MIN TEMPERATURE.....57-61.
  MAX HUMIDITY........57-59 PERCENT.
  WINDS - 20-FOOT.....WINDY. SOUTH WINDS 30 MPH WITH GUSTS TO
                      45 MPH SWITCHING TO NORTHWEST 35 TO 45 MPH
                      WITH GUSTS TO 65 MPH BETWEEN 830 PM AND 930 PM.
                      NORTHWEST WINDS DECREASE AFTER 930 PM BECOMING
                      10 TO 15 MPH AFTER MIDNIGHT.

.FRIDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (75-85
                      PERCENT CLOUD COVER). ISOLATED THUNDERSTORMS
                      UNTIL NOON...THEN SCATTERED THUNDERSTORMS.
  MAX TEMPERATURE.....71-75.
  MIN HUMIDITY........23-25 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST 5
                      TO 10 MPH IN THE LATE MORNING AND EARLY
                      AFTERNOON...THEN SHIFTING TO THE NORTHWEST 15 MPH
                      LATE IN THE AFTERNOON.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......950.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....70.
  MIN HUMIDITY........34-36 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 10 MPH SHIFTING TO THE NORTHWEST
                      IN THE LATE MORNING AND AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...BLOODWORTH
REASON FOR REQUEST...WILDFIRE
.TAG 20090806.SETTL.01/SLC

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