FNUS75 KSLC 111246
FWSSLC

SPOT FORECAST FOR ZION CANYON GRASS RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
646 AM MDT MON MAY 11 2009

.DISCUSSION...A WARM SOUTHWEST FLOW WILL DEVELOP OVER THE BURN
AREA TODAY...WITH GUSTY MORNING DOWN-CANYON WINDS SHIFTING TO A
GUSTY SOUTHWEST WIND FOR THE AFTERNOON HOURS. THE AIRMASS WILL
REMAIN FAIRLY DRY AND STABLE OVER THE BURN AREA...WITH SUNNY SKIES
AND LOW HUMIDITIES PREVAILING. AN APPROACHING COLD FRONT WILL
BRING INCREASING SOUTHWEST WINDS TOMORROW AFTERNOON...BEFORE THE
FRONT PUSHES ACROSS THE AREA TOMORROW EVENING. MIXING CONDITIONS
WILL BE EXCELLENT TODAY AND TOMORROW DUE TO STRONG INSOLATION AND
INCREASING TRANSPORT WINDS.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....90-93.
  MIN HUMIDITY........6-9 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 12 TO 16 MPH WITH GUSTS TO
                      28 MPH...DECREASING TO 5 TO 10 MPH AFTER
                      0900...THEN BECOMING SOUTHWEST 8 TO 12 MPH
                      WITH GUSTS TO 22 MPH AFTER 1300.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....60-63.
  MAX HUMIDITY........22-25 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 8 TO 12 MPH WITH GUSTS TO 22
                      MPH...SHIFTING TO NORTHEAST 5 TO 10 MPH AFTER
                      2100...THEN INCREASING TO 12 TO 15 MPH WITH
                      GUSTS TO 28 MPH AFTER MIDNIGHT.

.OUTLOOK FOR TUESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....89-92.
  MIN HUMIDITY........6-9 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 12 TO 16 MPH WITH GUSTS TO
                      28 MPH IN THE MORNING...DECREASING TO 5 TO
                      10 MPH AFTER 0900...THEN BECOMING SOUTHWEST
                      10 TO 14 MPH WITH GUSTS TO 25 MPH AFTER NOON.

FORECASTER...CHENG
REQUESTED BY...TAIGA ROHRER
REASON FOR REQUEST...PRESCRIBED
.TAG 20090511.ZIONC.01/SLC

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