FNUS75 KSLC 191010
FWSSLC

SPOT FORECAST FOR DUCK CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
410 AM MDT TUE OCT 19 2010

.DISCUSSION...A RELATIVE DRY BREAK IN PLACE THIS MORNING AS MOISTURE
CONTINUES TO WRAP SOUTH AROUND THE CLOSED LOW SPINNING OFF THE
COAST OF CALIFORNIA. THAT SAID...THE LOW WILL BEGIN TO SHIFT EAST
TODAY ALLOWING MOISTURE TO ONCE AGAIN INCREASE FROM THE SOUTH BY
LATE MORNING. CONVECTIVE BUILDUPS ARE EXPECTED TO FORM BETWEEN
1000-1100 IN THE VICINITY OF DUCK CREEK...WITH SHOWER AND
ISOLATED THUNDERSTORM POTENTIAL DEVELOPING FOR THE AFTERNOON AND
EARLY EVENING HOURS. 20 PERCENT CHANCE OF WETTING RAINS AT THE
SITE THIS AFTERNOON.

THE LOW WILL CONTINUE TO SURGE MOISTURE SOUTH TO NORTH ON
WEDNESDAY. LOOKING FOR A MUCH MORE ACTIVE SHOWER/THUNDERSTORM
THREAT TO DEVELOP AT THAT TIME...WITH CWA INCREASING TO THE 50-60
PERCENT RANGE LOCALLY.

.REST OF TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLEAR (10-30 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....34-36.
  MAX HUMIDITY........93-97 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS.

.TUESDAY...
  LAL.................3 AFTER 1200.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......450.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER) BY
                      LATE MORNING. SCATTERED SHOWERS AND
                      THUNDERSTORMS DEVELOPING AFTER 1100.
  MAX TEMPERATURE.....53-55.
  MIN HUMIDITY........59-61 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE BECOMING SOUTHEAST 4 TO 8
                      MPH IN THE AFTERNOON.

.OUTLOOK FOR WEDNESDAY...
  LAL.................4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......770.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....50-53.
  MIN HUMIDITY........70-72 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH SHIFTING TO THE
                      SOUTHWEST LATE IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...DAVID JORDAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20101019.DUCKC.01/SLC

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