FNUS75 KSLC 210004
FWSSLC

SPOT FORECAST FOR TWITCHELL
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
604 PM MDT TUE JUL 20 2010

.DISCUSSION...SOUTHWEST FLOW OVER SOUTHWESTERN UTAH TONIGHT WILL
INCREASE AND DRY OUT SOMEWHAT WEDNESDAY. MOISTURE REMAINS IN
PLACE TONIGHT FOR A CHANCE OF SHOWERS AND THUNDERSTORMS BUT THE
DRIER AIRMASS WEDNESDAY WILL RESULT IN FEWER STORMS. THE WINDS
WILL BECOME GUSTY AND COULD BE QUITE STRONG NEAR ANY STORMS.
WINDS THURSDAY ARE NOT EXPECTED TO BE QUITE AS STRONG AND
HUMIDITIES SHOULD COME BACK UP AGAIN LEADING TO A BETTER CHANCE
OF AFTERNOON AND EVENING THUNDERSTORMS. THESE CONDITIONS SHOULD
PERSIST INTO FRIDAY.

.TONIGHT...
LAL...................3 UNTIL MIDNIGHT...THEN 2.
HAINES INDEX..........5 ..MODERATE.
SKY/WEATHER...........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT THEN A SLIGHT CHANCE OF SHOWERS
                      AND THUNDERSTORMS.
MIN TEMPERATURE.......67-69.
MAX HUMIDITY..........49-51 PERCENT.
WIND (20 FT)..........SOUTH WINDS 5-10 MPH.

.WEDNESDAY...
LAL...................2 UNTIL NOON...THEN 3.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER)
                      UNTIL NOON WITH A SLIGHT CHANCE OF SHOWERS
                      AND THUNDERSTORMS...THEN MOSTLY CLOUDY (65-75
                      PERCENT CLOUD COVER). SCATTERED SHOWERS AND
                      THUNDERSTORMS AFTER NOON.
MAX TEMPERATURE.......87-89.
MIN HUMIDITY..........20-22 PERCENT.
WIND (20 FT)..........BREEZY. SOUTHWEST WINDS 10-15 MPH
                      INCREASING TO 20-25 MPH IN THE AFTERNOON.

.OUTLOOK FOR THURSDAY...
LAL...................1 UNTIL NOON...THEN 3.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
MAX TEMPERATURE.......85-87.
MIN HUMIDITY..........21-23 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 10-15 MPH.



FORECASTER...WILENSKY
REQUESTED BY...RIFC
REASON FOR REQUEST...WILDFIRE
.TAG 20100720.TWITC.01/SLC

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