FNUS75 KSLC 201700
FWSSLC

SPOT FORECAST FOR HELLS HOLLOW
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1100 AM MDT WED OCT 20 2010

.DISCUSSION...A STORM SYSTEM WILL CONTINUE TO CROSS ARIZONA TODAY
AND EXIT THE REGION TOMORROW. MOISTURE WILL LINGER FRIDAY...AHEAD
A COLD FRONT SATURDAY. LIGHT WINDS AND REDUCED MIXING WILL LIMIT
CLEARING INDICES THROUGH TOMORROW.

TRANSPORT WINDS ARE EXPECTED TO INCREASE ENOUGH FRIDAY AND
SATURDAY TO PROVIDE A CLEARING INDEX NEAR 500. THE BEST CHANCE OF
PRECIPITATION IS SATURDAY WITH THE PASSAGE OF THE COLD
FRONT...TURNING SHOWERY SATURDAY NIGHT. A STRONGER SYSTEM IS
FORECAST SUNDAY NIGHT AND MONDAY.

.TODAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......370.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....61-63.
  MIN HUMIDITY........24-26 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 5 MPH SHIFTING TO THE SOUTHWEST
                      LATE IN THE AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....37-39.
  MAX HUMIDITY........54-56 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE 5-10 MPH. RIDGETOP WINDS SOUTHWEST
                      5-10 MPH.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......290.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....60-62.
  MIN HUMIDITY........27-29 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE 5-10 MPH THROUGH MID MORNING...THEN
                      BECOMING WEST. RIDGETOP WINDS WEST 5-10 MPH.


FORECASTER...ROGOWSKI
REQUESTED BY...JESSE KURPIUS
REASON FOR REQUEST...PRESCRIBED
.TAG 20101021.HELLS.01/SLC

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