FNUS75 KSLC 231253
FWSSLC

SPOT FORECAST FOR COOPER KNOLLS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
651 AM MDT FRI SEP 23 2011

.DISCUSSION...HIGH PRESSURE OVERHEAD TODAY WILL KEEP WARM
TEMPERATURES IN PLACE. HOWEVER...WINDS WILL BE RATHER LIGHT AS A
RESULT...RESULTING IN GENERALLY POOR MIXING CONDITIONS. WINDS START
TO INCREASE TOMORROW INTO SUNDAY AS THIS HIGH SHIFTS EAST...ALLOWING
A COUPLE OF WEAK STORM SYSTEMS TO MOVE INTO THE AREA. THE FIRST
SYSTEM...MOVING ACROSS ARIZONA ON SATURDAY...COULD BRING ISOLATED
DRY THUNDERSTORMS TO THE BURN SITE. ISOLATED THUNDERSTORMS ARE
POSSIBLE ON SUNDAY AS WELL...AHEAD OF THE NEXT SYSTEM WHICH WILL
MOVE ACROSS THE AREA SUNDAY NIGHT INTO MONDAY. THIS UNSETTLED
WEATHER WILL BRING BETTER MIXING CONDITIONS TO THE AREA FOR THE
WEEKEND.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......425.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....69-72.
  MIN HUMIDITY........17-20 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE WINDS 2 TO 5 MPH BECOMING UPSLOPE
                      3 TO 7 MPH AFTER NOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....46-49.
  MAX HUMIDITY........33-36 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE WINDS 3 TO 6 MPH BECOMING DOWNSLOPE
                      2 TO 5 MPH AFTER 2000.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL 1300...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......725.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1300.
  MAX TEMPERATURE.....69-72.
  MIN HUMIDITY........22-25 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE WINDS 2 TO 5 MPH BECOMING UPSLOPE
                      4 TO 8 MPH AFTER NOON.


FORECASTER...CHENG
REQUESTED BY...ERIC EASTEP
REASON FOR REQUEST...PRESCRIBED
.TAG 20110923.COOPE.01/SLC

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