FNUS75 KSLC 241851
FWSSLC

SPOT FORECAST FOR HELL S HOLLOW
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1251 PM MDT THU SEP 24 2009

.DISCUSSION...HIGH PRESSURE ALOFT WILL REMAIN CENTERED TO THE
WEST OF THE BURN AREA THROUGH SATURDAY ALLOWING FOR A DRY
NORTH TO NORTHWESTERLY FLOW. THIS FLOW IS EXPECTED TO INCREASE
A BIT FRIDAY AND SATURDAY...ALLOWING FOR STRONGER TRANSPORT
WINDS WHICH SHOULD PUSH CLEARING INDICES INTO THE 600-700
RANGE BOTH DAYS.

THIS HIGH IS EXPECTED TO SLOWLY SHIFT EAST DURING THE
WEEKEND...WHICH WILL ALLOW FOR A WARMING TREND...BUT A
DECREASE IN VENTILATION ON SUNDAY. A COOL AND MOIST PACIFIC
STORM SYSTEM STILL LOOKS TO IMPACT THE REGION WEDNESDAY AND
THURSDAY...WITH INCREASING SOUTHWESTERLY WINDS AHEAD OF THIS
SYSTEM MONDAY AND TUESDAY.

.REST OF TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......350.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....65-68.
  MIN HUMIDITY........29-32 PERCENT.
  WINDS - 20-FOOT.....NORTH 3-8 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....42-45.
  MAX HUMIDITY........57-60 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST/DOWNSLOPE 3-8 MPH.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......650.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....67-70.
  MIN HUMIDITY........23-26 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST 5-10 MPH.



FORECASTER...SEAMAN
REQUESTED BY...JOHN PLATT
REASON FOR REQUEST...PRESCRIBED
.TAG 20090924.HELLS.01/SLC

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