FNUS75 KSLC 181309
FWSSLC

SPOT FORECAST FOR HIGH LAKES STABILIZATION PROJECT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
709 AM MDT THU JUN 18 2009

.DISCUSSION...THE UPPER LEVEL TROUGH CURRENTLY JUST EAST OF SALT LAKE
CITY WILL MOVE THROUGH THE PROJECT SITE AROUND 0930-1000 THIS MORNING.
FLIGHT CONDITIONS UNTIL 1000 WILL BE LOW IFR WITH TERRAIN OBSCURED IN
CLOUDS/PRECIPITATION. ANY IMPROVEMENT AFTER 1000 LIKELY TO BE SHORTLY
LIVED AS SHOWERS/ISOLATED THUNDERSTORMS EXPECTED OVER THE HIGHEST TERRAIN
AGAIN AROUND 1300...AND CONTINUING THROUGH 1900. FRIDAY LOOKS TO BE A
BETTER DAY FOR HELICOPTER OPERATIONS....WITH SCATTERED CLOUDS ALONG THE
RIDGELINE AND ISOLATED SHOWERS/STORMS DEVELOPING AFTER 1200.

.TODAY...
  LAL.................2.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER) UNTIL
                      1200...THEN MOSTLY CLOUDY (70-80 PERCENT
                      CLOUD COVER). OCCASIONAL RAIN AND SNOW SHOWERS...
                      THEN OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS
                      AFTER 1300.
  MAX TEMPERATURE.....44-47.
  MIN HUMIDITY........75-78 PERCENT.
  WINDS - 20-FOOT.....NORTH 5 TO 8 MPH...INCREASING TO NORTHWEST 10 TO 15
                      AFTER 1000.

.TONIGHT...
  LAL.................2 UNTIL 1900...THEN 1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL 1900
  MIN TEMPERATURE.....27-30.
  MAX HUMIDITY........NEAR 100 PERCENT.
  WINDS - 20-FOOT.....NORTH NORTHWEST WINDS 5 TO 10 MPH UNTIL 2100...
                      THEN LIGHT AND VARIABLE.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......700.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) UNTIL 1000...
                      THEN PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS/THUNDERSTORMS DURING THE AFTERNOON.
  MAX TEMPERATURE.....50-53.
  MIN HUMIDITY........52-55 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST 5
                      TO 10 MPH IN THE AFTERNOON.



FORECASTER...CONGER
REQUESTED BY...CHAD RUNYAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20090618.HIGHL.01/SLC

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