FNUS75 KSLC 201431
FWSSLC

SPOT FORECAST FOR COLOR COUNTRY FIRE SCHOOL
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
831 AM MDT THU MAY 20 2010

.DISCUSSION...HIGH PRESSURE ALOFT ACROSS THE GREAT BASIN WILL
PRODUCE DRY AND STABLE CONDITIONS ACROSS FAR SOUTHERN UTAH TODAY.
AN ENERGETIC PACIFIC TROUGH WILL REACH THE WEST COAST FRIDAY...
THEN MOVE EAST INTO THE GREAT BASIN THIS WEEKEND. WINDY...WARM AND
DRY CONDITIONS WILL EXIST FRIDAY THROUGH SATURDAY AHEAD OF THE
TROUGH. AS THE TROUGH MOVES CLOSER TO UTAH LATER IN THE WEEKEND
TEMPERATURES WILL TREND DOWNWARD WITH RH VALUES SLOWLY CLIMBING.
WINDS WILL REMAIN BREEZY THROUGH MOST OF THE WEEKEND. THE THREAT OF
SHOWERS/THUNDERSTORMS WILL BE LOW UNTIL LATE SUNDAY WHEN MOISTURE
AND A MORE UNSTABLE AIRMASS FINAL REACHES EXTREME SOUTHERN UTAH


.TODAY...
LAL...................1.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........SUNNY (0-10 PERCENT CLOUD COVER).
MAX TEMPERATURE.......76-79.
MIN HUMIDITY..........17-19 PERCENT.
WIND (20 FT)..........SOUTHEAST 5 TO 10 MPH...BECOMING SOUTH
                      SOUTHWEST 10 TO 15 MPH AFTER 1100 WITH
                      GUSTS TO 22 MPH AFTER 1400.


.TONIGHT...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
MIN TEMPERATURE.......43-45.
MAX HUMIDITY..........60-62 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10 TO 15 MPH UNTIL 2100...THEN
                      WEST 5 TO 10 AFTER 2100.

.OUTLOOK FOR FRIDAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........1000+.
SKY/WEATHER...........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER).
MAX TEMPERATURE.......80-82.
MIN HUMIDITY..........13-15 PERCENT.
WIND (20 FT)..........WINDY. SOUTH WINDS 6 TO 12 MPH...
                      BECOMING SOUTHWEST 12 TO 18 MPH WITH GUSTS TO
                      25 MPH AFTER 1000.



FORECASTER...CONGER
REQUESTED BY...Earl Levanger
REASON FOR REQUEST...PRESCRIBED
.TAG 20100520.COLOR.01/SLC

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