FNUS75 KSLC 171632
FWSSLC

SPOT FORECAST FOR STEEP CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1032 AM MDT FRI JUL 17 2009

.DISCUSSION...HIGH PRESSURE ALOFT WILL REMAIN CENTERED OVER THE
AREA TODAY THROUGH THE UPCOMING WEEKEND...RESULTING IN LIGHT
WINDS GENERALLY DRIVEN BY TERRAIN FLOWS. THIS RIDGE WILL ALSO
CONTINUE TO RESULT IN HOT TEMPERATURES AND LOW RELATIVE
HUMIDITIES...WITH GENERALLY POOR OVERNIGHT RECOVERY. SUFFICIENT
HIGH BASED MOISTURE REMAINS IN PLACE TO ALLOW ISOLATED DRY
THUNDERSTORMS THIS AFTERNOON. THESE STORMS WILL BE MOST NUMEROUS
TO THE NORTHWEST OF THE SITE OVER THE HIGHER PLATEAU. THIS
MOISTURE IS EXPECTED TO CONTINUE TO INCREASE THROUGH THE WEEKEND
RESULTING IN AN INCREASED THREAT FOR AFTERNOON AND EVENING
THUNDERSTORMS.

.TODAY...
  LAL.................1 UNTIL 1300...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......640.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER) UNTIL
                      NOON...THEN PARTLY CLOUDY (45-55 PERCENT
                      CLOUD COVER). ISOLATED DRY THUNDERSTORMS
                      AFTER 1300...MAINLY OVER THE HIGHER ELEVATION
                      TO THE NORTHWEST.
  MAX TEMPERATURE.....82-85.
  MIN HUMIDITY........12-15 PERCENT.
  WINDS - 20-FOOT.....SOUTH/UPSLOPE 4-9 MPH. GUSTY ERRATIC WINDS
                      NEAR THUNDERSTORMS.

.TONIGHT...
  LAL.................2 UNTIL 2000...THEN 1.
  HAINES INDEX........6 ..HIGH.
  SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).
                      ISOLATED DRY THUNDERSTORMS UNTIL 2000.
  MIN TEMPERATURE.....55-58.
  MAX HUMIDITY........27-30 PERCENT.
  WINDS - 20-FOOT.....NORTH/DOWNSLOPE 4-9 MPH. GUSTY ERRATIC
                      WINDS NEAR THUNDERSTORMS DURING THE
                      EVENING.

.OUTLOOK FOR SATURDAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......670.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS AFTER
                      1200.
  MAX TEMPERATURE.....83-86.
  MIN HUMIDITY........12-15 PERCENT.
  WINDS - 20-FOOT.....NORTH/DOWNSLOPE 4-9 MPH BECOMING
                      SOUTH/UPSLOPE 4-9 MPH AFTER 1000. GUSTY
                      ERRATIC WINDS POSSIBLE NEAR THUNDERSTORMS.



FORECASTER...SEAMAN
REQUESTED BY...RICHFIELD DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20090717.STEEP.01/SLC

$$