FNUS75 KSLC 262110
FWSSLC

SPOT FORECAST FOR TWITCHELL CANYON
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
310 PM MDT MON JUL 26 2010

.DISCUSSION...SOUTHERLY FLOW ALOFT WILL CONTINUE TO BRING SHOWERS
AND THUNDERSTORMS TO THE TWITCHELL WILDFIRE THROUGH THIS
AFTERNOON. AS OF 1500...A THUNDERSTORM WAS LOCATED NEAR BEAVER
WITH A STRONGER ONE ABOUT 20 MILES SOUTH OF THERE. BOTH ARE MOVING
NORTH NORTHEAST AT ABOUT 20-25 MPH AND IF THEY HOLD TOGETHER WILL
BE IMPACTING THE FIRE BETWEEN 1600 AND 1700. BRIEF HEAVY RAIN AND
DEADLY LIGHTNING WILL BE ASSOCIATED WITH THESE STORMS.

MOISTURE WILL REMAIN ACROSS THIS PORTION OF UTAH THROUGH THE NEXT
SEVERAL DAYS WITH MAINLY SCATTERED SHOWERS AND THUNDERSTORMS BY
DAY AND ISOLATED SHOWERS AT NIGHT.

.REST OF TODAY...
LAL...................4.
HAINES INDEX..........4 ..LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.......62-66.
MIN HUMIDITY..........55-65 PERCENT.
WIND (20 FT)..........VARIABLE WINDS 10 MPH GUST TO 20 MPH.

.TONIGHT...
LAL...................4 UNTIL MIDNIGHT...THEN 2.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER)
                      UNTIL MIDNIGHT...THEN PARTLY CLOUDY (60-70
                      PERCENT CLOUD COVER). SCATTERED SHOWERS AND
                      THUNDERSTORMS UNTIL MIDNIGHT...THEN A SLIGHT
                      CHANCE OF SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.......53-55.
MAX HUMIDITY..........84-88 PERCENT.
WIND (20 FT)..........SOUTH WINDS 10 MPH.

.OUTLOOK FOR TUESDAY...
LAL...................2 UNTIL NOON...THEN 4.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........380.
SKY/WEATHER...........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (70-80 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.......72-74.
MIN HUMIDITY..........39-43 PERCENT.
WIND (20 FT)..........SOUTHWEST WINDS 5 TO 10 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...GLEN CHAPPELL
REASON FOR REQUEST...WILDFIRE
.TAG 20100726.TWITC.01/SLC

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