FNUS75 KSLC 061212
FWSSLC

SPOT FORECAST FOR TRAIL RIDGE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
612 AM MDT THU AUG 6 2009

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 3 AM MDT
FRIDAY FOR SIGNIFICANT LIGHTNING AFTER AN EXTENDED DRY PERIOD
ALONG WITH GUSTY WINDS...

.DISCUSSION...THE MOISTURE PLUME MOVED FARTHER WEST THAN
ANTICIPATED AND WILL REMAIN ACROSS YOUR AREA INTO EARLY THIS
AFTERNOON WITH SCATTERED SHOWERS AND THUNDERSTORMS. THE
DRIER AIR FROM THE WEST WILL MOVE IN THIS AFTERNOON. THE STORM
SYSTEM RESPONSIBLE FOR THE WIND THIS AFTERNOON AND SHOWERS THIS
MORNING IS NOW OVER NORTHERN CALIFORNIA WITH THE ASSOCIATED COLD
FRONT INTO CENTRAL NEVADA. THIS FRONT WILL REACH YOUR SITE ABOUT
MIDNIGHT WITH A SUBTLE WIND SHIFT FROM SOUTHWEST TO WEST
SOUTHWEST. WINDS WILL PEAK LATE THIS AFTERNOON AND EARLY EVENING
WITH GUSTS TO 40 MPH POSSIBLE. SOUTHWEST TO WEST WINDS WILL OCCUR
FRIDAY BUT WILL BE MUCH LIGHTER THAN TODAY. ENOUGH UPPER DYNAMICS
ALOFT WILL EXIST FRIDAY AFTERNOON FOR ISOLATED TO POSSIBLY
SCATTERED THUNDERSTORMS. WETTING RAINS OF 0.10 TO 0.20 OF AN INCH
EXPECTED TODAY.

.TODAY...
  LAL.................3 UNTIL 1400 THEN 2.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (80-90 PERCENT CLOUD COVER) THIS
                      MORNING WITH SCATTERED SHOWERS AND
                      THUNDERSTORMS. BECOMING PARTLY CLOUDY (40-50
                      PERCENT CLOUD COVER) THIS AFTERNOON WITH
                      ISOLATED THUNDERSTORMS
  MAX TEMPERATURE.....70-72.
  MIN HUMIDITY........34-36 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5-10 MPH BECOMING SOUTH 15
                      TO 20 MPH IN THE LATE MORNING AND AFTERNOON.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT.
  MIN TEMPERATURE.....52-54.
  MAX HUMIDITY........52-54 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 20 TO 30 MPH BECOMING WEST
                      10 TO 15 MPH AFTER MIDNIGHT.

.OUTLOOK FOR FRIDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN
                      BECOMING MOSTLY CLOUDY (75-85 PERCENT CLOUD
                      COVER). ISOLATED SHOWERS AND THUNDERSTORMS IN
                      THE AFTERNOON.
  MAX TEMPERATURE.....64-66.
  MIN HUMIDITY........27-29 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5 MPH IN THE MORNING...THEN
                      INCREASING TO 15 MPH IN THE AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...CHRIS GAMBLE
REASON FOR REQUEST...WILDFIRE
.TAG 20090805.TRAIL.01/SLC

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