FNUS75 KSLC 042000
FWSSLC

SPOT FORECAST FOR LAKE FORK WFM
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
200 PM MDT TUE AUG 4 2009

.DISCUSSION...FIRE WEATHER CONCERNS WILL INCREASE THROUGH THE END
OF THE WEEK AS AN UNUSUALLY STRONG COLD FRONT APPROACHES AND
EVENTUALLY PASSES THROUGH THE BURN SITE MIDDAY FRIDAY. WEST TO
SOUTHWEST WINDS WILL TREND TO INCREASE AS A RESULT STARTING MIDDAY
WEDNESDAY....BECOMING GUSTY DURING THE AFTERNOON HOURS. WIND
TRENDS SHOULD CONTINUE TO FOLLOW DIURNAL FLUCTUATIONS WEDNESDAY
NIGHT AND THURSDAY MORNING...BUT SOUTHWESTERLY WIND SPEEDS WILL
RAMP UP SIGNIFICANTLY DURING THE DAY THURSDAY AND REMAIN ELEVATED
THROUGH FRONTAL PASSAGE. FRONTAL PASSAGE AT THIS TIME LOOKS TO
OCCUR LATE MORNING/MIDDAY FRIDAY WITH A RAPID WIND SHIFT TO THE
NORTHWEST. ALTHOUGH MOISTURE WILL BE ON THE RISE THROUGH TOMORROW
AFTERNOON...THE BULK OF THE MOISTURE WILL REMAIN AT THE MID
LEVELS ALLOWING DRY THUNDERSTORMS TO REMAIN A THREAT THROUGH THE
END OF THE WEEK. COOLER AND DRIER CONDITIONS WILL TAKE HOLD IN THE
POST FRONTAL ENVIRONMENT FOR THE WEEKEND.

.REST OF TODAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER).
                      ISOLATED DRY THUNDERSTORMS OVER THE HIGHER TERRAIN
  MAX TEMPERATURE.....80.
  MIN HUMIDITY........8-12 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 8 TO 15 MPH WITH GUSTS IN THE
                      MID 20 MPH RANGE THROUGH 5 PM.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT...THEN PARTLY CLOUDY (45-55
                      PERCENT CLOUD COVER). ISOLATED DRY THUNDERSTORMS
                      OVER THE HIGH TERRAIN THROUGH 10 PM.
  MIN TEMPERATURE.....57-59.
  MAX HUMIDITY........35-38 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS  5 TO 10 MPH THROUGH 8 PM THEN
                      BECOMING DOWNSLOPE 5 TO 9 MPH.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1 UNTIL NOON...THEN 4.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (85-95 PERCENT
                      CLOUD COVER). ISOLATED DRY THUNDERSTORMS IN
                      THE LATE MORNING...THEN SCATTERED DRY
                      THUNDERSTORMS IN THE AFTERNOON.
  MAX TEMPERATURE.....77-79.
  MIN HUMIDITY........9-13 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE WINDS 5 TO 9 MPH UNTIL MID MORNING
                      THEN BECOMING WEST 15 TO 25 WITH GUSTS TO
                      30 MPH DURING THE AFTERNOON. ERRATIC WIND GUSTS
                      POSSIBLE WITH ANY STORM ACTIVITY.



FORECASTER...MERRILL
REQUESTED BY...ALLAN HEPWORTH
REASON FOR REQUEST...WFU
.TAG 20090804.LAKEF.01/SLC

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