FNUS75 KSLC 201819
FWSSLC

SPOT FORECAST FOR BRIGHTON PILE RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1218 PM MDT SUN JUN 20 2010

.DISCUSSION...THE SURFACE TROUGH OVER EXTREME NORTHWEST UTAH THIS
AFTERNOON WILL MOVE THROUGH THE FIRE SITE LATE TONIGHT. THIS TROUGH
WILL BRING SLIGHTLY COOLER TEMPERATURES WITH ONLY A MINOR INCREASE
IN RH VALUES AND LITTLE OR NO PRECIPITATION MONDAY. A SECOND UPPER
LEVEL WEATHER DISTURBANCE WILL CLIP NORTHERN UTAH ON TUESDAY. THIS
FEATURES WILL BRING STILL COOLER TEMPERATURES AND HIGHER HUMIDITIES
TO THE FIRE SITE FOR TUESDAY THROUGH EARLY WEDNESDAY. WARM/DRY HIGH
PRESSURE ALOFT WILL STRENGTHEN AGAIN OVER THE AREA LATER WEDNESDAY
THROUGH THURSDAY.

NOTE --- ALTA COLLINS WAS AVAILABLE FOR TEMPERATURES. WILL USE THE
TOP OF COLLINS WINDS...BUT WILL LOWER THE SPEEDS AS THE FIRE SITE
LOOKS TO BE CONTROLLED MORE BY UPVALLEY/DOWNVALLEY CONSIDERATIONS
THAN BY RIDGETOP WINDS. IF THIS ASSUMPTION IS WRONG...LET US KNOW.

.THIS AFTERNOON...
LAL...................1.
HAINES INDEX..........6 ..HIGH.
CLEARING INDEX........1000+.
SKY/WEATHER...........SUNNY (0-10 PERCENT CLOUD COVER).
MAX TEMPERATURE.......61-64.
MIN HUMIDITY..........19-21 PERCENT.
WIND (20 FT)..........BREEZY. WEST SOUTHWEST WINDS 12 TO 16 MPH
                      WITH GUSTS TO 22 MPH.

.TONIGHT...
LAL...................1.
HAINES INDEX..........6 ..HIGH.
SKY/WEATHER...........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
MIN TEMPERATURE.......39-41.
MAX HUMIDITY..........37-40 PERCENT.
WIND (20 FT)..........WEST SOUTHWEST WINDS 12 TO 16 MPH WITH
                       GUSTS TO 22 MPH...BECOMING WEST NORTHWEST
                       10 TO 15 MPH AFTER 0200.

.OUTLOOK FOR MONDAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........940.
SKY/WEATHER...........PARTLY CLOUDY (25-35 PERCENT CLOUD COVER).
MAX TEMPERATURE.......52-55.
MIN HUMIDITY..........22-24 PERCENT.
WIND (20 FT)..........WEST NORTHWEST WINDS 9 TO 13 MPH WITH GUSTS
                      TO 18 MPH.

.OUTLOOK FOR TUESDAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........530.
SKY/WEATHER...........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER).
                      ISOLATED BRIEF LIGHT SHOWERS.
MAX TEMPERATURE.......50-53.
MIN HUMIDITY..........26-30 PERCENT.
WIND (20 FT)..........WEST NORTHWEST WINDS 6 TO 9 MPH WITH GUSTS
                      TO 12 MPH.

.WEDNESDAY THROUGH FRIDAY...WARMING TREND WITH DECREASING HUMIDITIES
EACH DAY. LIGHT UPVALLEY/DOWNVALLEY WINDS WEDNESDAY/THURSDAY.
INCREASING WINDS FRIDAY.

FORECASTER...CONGER
REQUESTED BY...Brandon Everett RXB3
REASON FOR REQUEST...PRESCRIBED
.TAG 20100621.BRIGH.01/SLC

$$