FNUS75 KSLC 170004
FWSSLC

SPOT FORECAST FOR TWITCHELL CANYON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
604 PM MDT MON AUG 16 2010

.DISCUSSION...A WEAK WEATHER SYSTEM...WHICH KICKED OFF CONVECTION
EAST OF THE FIRE SITE...WILL MOVE EAST OF THE AREA TONIGHT...WITH
DRIER AIR CONTINUING TO FILTER ACROSS THE FIRE DISTRICT TONIGHT
AND TUESDAY. THE NEXT PACIFIC WEATHER SYSTEM IS FORECAST TO MOVE
THROUGH UTAH WEDNESDAY. THERE WILL BE ENOUGH RESIDUAL MOISTURE IN
THE AFTERNOON AND EVENING HOURS FOR A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WEDNESDAY WILL BE THE BEST SHOT FOR SHOWERS AND
THUNDERSTORMS WITH WETTING RAINS. THIS MOISTURE MAY LINGER INTO
THURSDAY ACROSS SOUTHERN UTAH BEFORE DRIER AIR FROM THE WEST
SLOWLY SPREADS ACROSS THE STATE THURSDAY INTO FRIDAY.

.TONIGHT...
LAL...................2 UNTIL MIDNIGHT...THEN 1.
HAINES INDEX..........5 ..MODERATE.
SKY/WEATHER...........PARTLY CLOUDY (25-35 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT THEN MOSTLY CLEAR (15-25
                      PERCENT CLOUD COVER). A SLIGHT CHANCE OF
                      SHOWERS AND THUNDERSTORMS UNTIL MIDNIGHT.
MIN TEMPERATURE.......55-57.
MAX HUMIDITY..........42-44 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10 TO 15 MPH.

.TUESDAY...
LAL...................1 UNTIL NOON...THEN 2.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........960.
SKY/WEATHER...........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN PARTLY CLOUDY (35-45
                      PERCENT CLOUD COVER). A SLIGHT CHANCE OF
                      SHOWERS AND THUNDERSTORMS AFTER NOON.
MAX TEMPERATURE.......81-83.
MIN HUMIDITY..........17-19 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10 TO 15 MPH.

.OUTLOOK FOR WEDNESDAY...
LAL...................2 UNTIL NOON...THEN 4.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                      THE MORNING...THEN A CHANCE OF SHOWERS AND
                      THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.......76-78.
MIN HUMIDITY..........38-40 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10 TO 15 MPH.



FORECASTER...YOUNG
REQUESTED BY...RICHFIELD DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100816.TWITC.01/SLC

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