FNUS75 KSLC 271427
FWSSLC

SPOT FORECAST FOR PRETTY TREE RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
827 AM MDT SAT APR 27 2013

.DISCUSSION...THE OVERALL RIDGE AXIS WILL REMAIN ALONG THE WEST
COAST ALLOWING FOR A DRY NORTHWESTERLY FLOW WITH WEAK EMBEDDED
DISTURBANCES TO SLIDE SOUTHEAST ACROSS THE INTERMOUNTAIN OVER THE
NEXT SEVERAL DAYS. THE FIRST DISTURBANCE WILL DRAG A DRY WEAK
COOL FRONT ACROSS THE BURN SITE SUNDAY NIGHT RESULTING IN A SHIFT
OF NORTHWEST WINDS MONDAY MORNING BUT THEN SHIFTING BACK TO
WESTERLY BY AFTERNOON AHEAD OF A STRONGER COLD FRONT SCHEDULED TO
ARRIVE SOMETIME TUESDAY AFTERNOON OR EVENING. WINDS IN THE FREE
ATMOSPHERE WILL INCREASE TO 30 KTS OUT OF THE WEST BY TUESDAY
AFTERNOON WHICH MEANS GUSTY WESTERLY SURFACE WINDS. THE COLD FRONT
SHOULD PUNCH ACROSS THE BURN SITE TUESDAY EVENING. GUSTY NORTHERLY
WINDS OF 15-25 MPH ARE EXPECTED WEDNESDAY THEN SHIFTING TO
NORTHEAST OR EAST BY THURSDAY AT 10 MPH OR LESS.

IF THERE WAS ANY CHANCE OF PRECIPITATION IT WOULD OCCUR TUESDAY
NIGHT...BUT THAT IS REAL SLIM AT THIS TIME.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......420.
  SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....61-63.
  MIN HUMIDITY........9-11 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE AT 5 MPH THIS MORNING INTO EARLY AFTERNOON
                      WITH GUSTS TO 12 MPH POSSIBLE. THERE IS 40 PERCENT
                      CHANCE THAT WINDS WILL SWITCH TO UPSLOPE OR SOUTHWEST
                      AFTER 1500 MDT.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........CLEAR (0-10 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....40.
  MAX HUMIDITY........33-35 PERCENT.
  WINDS - 20-FOOT.....EAST WINDS 5 TO 10 MPH SHIFTING TO THE WEST
                      AFTER MIDNIGHT.

.OUTLOOK FOR SUNDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......530...BUT WILL NOT OCCUR UNTIL AFTER 1400 MDT.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....66-68.
  MIN HUMIDITY........10-12 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 MPH SHIFTING TO THE SOUTHWEST
                      LATE IN THE MORNING AT 5-8 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...GREGG CHRISTENSEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20130427.PRETT.01/SLC

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