FNUS75 KSLC 131634
FWSSLC

SPOT FORECAST FOR KNOWLTON SAR
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1033 AM MDT SUN JUN 13 2010

.UPDATED DISCUSSION...BIGGEST CHANGE NOTED WITH THIS SECOND SITE
WILL BE WITH THE WINDS. THIS NEW AREA APPEARS TO BE A BIT MORE
SHELTERED BY THE SURROUNDING TERRAIN. SUSPECT THAT THE
AFTERNOON NORTH WINDS COULD BE CHANNELED INTO THE SAR SITE...
WITH ERRATIC WINDS FROM SHOWERS/THUNDERSTORMS CREATING LOCALLY
HAZARDOUS FLIGHT CONDITIONS NEAR THIS SAR SITE.

PREVIOUS DISCUSSION...THE UNSEASONABLY COLD UPPER LEVEL LOW PRESSURE
SYSTEM OVER NORTHEAST UTAH THIS MORNING WILL CONTINUE TO MOVE
NORTHEAST OUT THE STATE LATER TODAY. A RATHER COOL AND MOIST AIRMASS
HAS REMAINED OVER SOUTHWEST UTAH...WITH THE POTENTIAL FOR LIGHT
SHOWERS OVER THE PARK THROUGH EARLY AFTERNOON. THE THREAT FOR HEAVIER
SHOWERS WILL INCREASE ACROSS THE NORTH END OF THE PARK EARLY IN THE
AFTERNOON...THEN SPREAD SOUTH TO THE SAR AREA MID TO LATE AFTERNOON.
THUNDERSTORMS COULD FORM OVER THE NORTH END OF THE PARK...CREATING
ERRATIC WINDS FOR AIRCRAFT OPERATIONS AT THE SAR SITE THIS
AFTERNOON. PRECIPITATION WILL END EARLY THIS EVENING...WITH
RATHER COLD TEMPERATURES FOR MID-JUNE.

.TODAY...
SKY/WEATHER...........PARTLY CLOUDY (65-75 PERCENT CLOUD COVER).
                      ISOLATED LIGHT SHOWERS THROUGH 1400...THEN
                      ISOLATED HEAVIER SHOWERS AND THUNDERSTORMS
                      AFTER 1400.
MAX TEMPERATURE.......64-67.
MIN HUMIDITY..........52-56 PERCENT.
WIND (20 FT)..........NORTH NORTHWEST WINDS 8 TO 12 MPH...INCREASING
                      12 TO 18 MPH THIS AFTERNOON.

.TONIGHT...
LAL...................1.
HAINES INDEX..........2 ..VERY LOW.
SKY/WEATHER...........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2000.
MIN TEMPERATURE.......41-44.
MAX HUMIDITY..........86-88 PERCENT.
WIND (20 FT)..........NORTHWEST WINDS 10 TO 15 MPH....BECOMING WEST
                      WINDS 3 TO 7 MPH AFTER 2300.

.OUTLOOK FOR MONDAY...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........700.
SKY/WEATHER...........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER) UNTIL
                      1000...THEN BECOMING MOSTLY SUNNY (15-25
                      PERCENT CLOUD COVER).
MAX TEMPERATURE.......75-77.
MIN HUMIDITY..........31-33 PERCENT.
WIND (20 FT)..........NORTH NORTHEAST WINDS 12 TO 17 MPH.



FORECASTER...CONGER
REQUESTED BY...ANDREW FITZGERALD
REASON FOR REQUEST...SAR
.TAG 20100613.KNOWL.01/SLC

$$