FNUS75 KSLC 010244
FWSSLC

SPOT FORECAST FOR 100 ANNIVERSARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
844 PM MDT FRI JUL 31 2009

.DISCUSSION...HIGH PRESSURE ALOFT TO WEST OF UTAH THIS EVENING WILL
DRIFT EAST AND SETTLE OVER THE AREA THIS WEEKEND. MOISTURE TRAPPED
WITHIN THE RIDGE WILL BRING INCREASING CLOUD COVER AND THE THREAT FOR
ISOLATED SHOWERS/THUNDERSTORMS OVER OR NEAR THE SITE THE NEXT COUPLE
OF DAYS. INCREASING SOUTHWEST FLOW ALOFT WILL MAINTAIN WARM TEMPERATURES
AND LOWER RH VALUES A BIT MONDAY. MOISTURE WILL LIKELY BE DRAWN NORTHWARD
BEGINNING MONDAY NIGHT OR TUESDAY....INCREASING THE THREAT AGAIN FOR
SHOWERS/THUNDERSTORMS MIDWEEK.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR(10-20 PERCENT CLOUD COVER) UNTIL
                      0200...THEN PARTLY CLOUDY (30-40 PERCENT CLOUD
                      COVER).
  MIN TEMPERATURE.....51-53.
  MAX HUMIDITY........57-59 PERCENT.
  WINDS - 20-FOOT.....NORTH WINDS 5 TO 9 MPH...BECOMING LIGHT AND
                      VARIABLE AFTER 0200.

.SATURDAY...
  LAL.................1 UNTIL 1400...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......800.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER) UNTIL
                      1200...THEN PARTLY CLOUDY (55-65 PERCENT CLOUD
                      COVER) WITH A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS AFTER 1400.
  MAX TEMPERATURE.....89-92.
  MIN HUMIDITY........14-16 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS UNTIL 0800...THEN BECOMING
                      SOUTHEAST WINDS 5 TO 8 MPH BETWEEN 0800-1100. WEST
                      WINDS 6 TO 12 MPH DEVELOPING AFTER 1100.

.OUTLOOK FOR SUNDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......900.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). ISOLATED
                      SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
  MAX TEMPERATURE.....91-93.
  MIN HUMIDITY........13-15 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 TO 10 MPH UNTIL 1300...THE SOUTHWEST
                      WINDS 12 TO 18 MPH AFTER 1300.



FORECASTER...CONGER
REQUESTED BY...BRIAN BIRD
REASON FOR REQUEST...WILDFIRE
.TAG 20090731.100AN.01/SLC

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