FNUS75 KSLC 022101
FWSSLC

SPOT FORECAST FOR TWITCHELL CANYON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
301 PM MDT MON AUG 2 2010

.DISCUSSION...SLIGHT DRYING TREND OVER THE FIRE SITE WILL CONTINUE
THROUGH TUESDAY DUE TO WESTERLY FLOW ALOFT. STILL...ENOUGH
MOISTURE WILL BE AROUND FOR WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS DURING THE DAY. AS THE FLOW BECOMES MORE SOUTHERLY
IN RESPONSE TO AN APPROACHING TROUGH...MONSOONAL MOISTURE WILL
SURGE BACK NORTHWARD ACROSS THE STATE BEGINNING
WEDNESDAY...INCREASING COVERAGE OF SHOWERS AND THUNDERSTORMS.
WINDS WILL BE GENERALLY LIGHT AND TERRAIN DRIVEN THROUGH MUCH OF
THE WEEK...UNTIL SOUTHERLY WINDS BECOME ENHANCED THURSDAY AND
FRIDAY AS THE TROUGH APPROACHES. A DRYING TREND IS EXPECTED LATE
THIS WEEKEND AND EARLY NEXT WEEK.

.REST OF TODAY...
LAL...................3.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........770.
SKY/WEATHER...........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      WIDELY SCATTERED SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.......81-83.
MIN HUMIDITY..........32-34 PERCENT.
WIND (20 FT)..........UPSLOPE/UPVALLEY WINDS 3-7 MPH.

.TONIGHT...
LAL...................3 UNTIL MIDNIGHT...THEN 2.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
                      WIDELY SCATTERED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN ISOLATED SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.......54-58.
MAX HUMIDITY..........63-67 PERCENT.
WIND (20 FT)..........DOWNSLOPE/DOWNVALLEY WINDS 3-7 MPH.

.OUTLOOK FOR TUESDAY...
LAL...................2 UNTIL NOON...THEN 3.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS AND THUNDERSTORMS UNTIL
                      NOON...THEN WIDELY SCATTERED SHOWERS AND
                      THUNDERSTORMS.
MAX TEMPERATURE.......78-82.
MIN HUMIDITY..........30-34 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 5-10 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...GLEN CHAPPELL
REASON FOR REQUEST...WILDFIRE
.TAG 20100802.TWITC.01/SLC

$$