FNUS75 KSLC 232018
FWSSLC

SPOT FORECAST FOR RED BUTTE FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
218 PM MDT THU JUL 23 2009

.DISCUSSION...HIGH PRESSURE CENTERED ACROSS UTAH WILL GRADUALLY
SHIFT SOUTH AND EAST TONIGHT...RESULTING IN A COOLING TREND
FRIDAY. MOISTURE ROTATING AROUND THIS HIGH WILL CONTINUE TO
INCREASE ACROSS THE BURN AREA TONIGHT THROUGH FRIDAY.
THUNDERSTORMS CURRENTLY DEVELOPING ACROSS EAST CENTRAL
NEVADA ARE EXPECTED TO MAINTAIN THEMSELVES OVERNIGHT AS THEY
SPREAD NORTHEAST TOWARDS THE BURN AREA. GUSTY ERRATIC WINDS
WILL BE POSSIBLE WITH ANY THUNDERSTORMS WHICH DEVELOP. THIS
MOISTURE IS EXPECTED TO REMAIN IN PLACE FRIDAY THROUGH
SATURDAY...RESULTING IN A CONTINUED THREAT FOR SHOWERS AND
THUNDERSTORMS. DRIER AIR IS EXPECTED TO SPREAD INTO NORTHWEST
UTAH SUNDAY THROUGH EARLY NEXT WEEK...RESULTING IN A COOLING
AND DRYING TREND.

.REST OF TODAY...
  LAL.................2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER)
                      WITH ISOLATED THUNDERSTORMS.
  MAX TEMPERATURE.....91-94.
  MIN HUMIDITY........11-14 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 5-10 MPH.

.TONIGHT...
  LAL.................4.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER)
                      WITH SCATTERED SHOWERS AND THUNDERSTORMS.
  MIN TEMPERATURE.....67-70.
  MAX HUMIDITY........40-43 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST 3-7 MPH BECOMING EAST/DOWNSLOPE
                      4-9 MPH AFTER 2000.

.OUTLOOK FOR FRIDAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........5 ..MODERATE.
  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.....84-87.
  MIN HUMIDITY........18-21 PERCENT.
  WINDS - 20-FOOT.....EAST/DOWNSLOPE 4-9 MPH BECOMING
                      SOUTHWEST/UPSLOPE 5-10 MPH AFTER 1100.



FORECASTER...SEAMAN
REQUESTED BY...RED BUTTE IC
REASON FOR REQUEST...WILDFIRE
.TAG 20090723.REDBU.01/SLC

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