FNUS75 KSLC 181021
FWSSLC

SPOT FORECAST FOR DUCK CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
421 AM MDT MON OCT 18 2010

.DISCUSSION...BAND OF MODERATE PRECIP THAT HAS REMAINED OVER THE
DUCK CREEK SITE ALL NIGHT IS EXPECTED TO DIMINISH BETWEEN 6 AND 7
AM THIS MORNING. THEREAFTER...PRECIP IS EXPECTED TO TURN MORE
SHOWERY IN NATURE FOR THE REMAINDER OF THE MORNING. AN UPSWING IN
AREAL EXTENT OF SHOWERS IS LIKELY TO OCCUR AGAIN BETWEEN 1200 AND
1600 AS INSTABILITY ACROSS THE AREA INCREASES. DURING THAT TIME A
ROGUE LIGHTNING STRIKE OR TWO IS POSSIBLE. REGARDING
CWR...NEARBYE RAIN GAGES A BIT TO THE NORTHWEST REPORT NEAR .50
INCHES PRECIP OVERNIGHT WHILE ASSAY IS ABOUT HALF THAT. LOOKING
FORWARD THROUGH THE DAY...A 50 PERCENT CHANCE EXISTS THAT SHOWERS
WILL BRING AN ADDITIONAL .10 TO .25 INCHES OF RAINFALL TO THE
SITE.

EXTENT OF SHOWERS ARE EXPECTED TO DIMINISH TONIGHT...WITH MAINLY
ISOLATED SHOWERS AND STORMS ON TUESDAY INTO TUESDAY NIGHT.
LOOKING FOR ANOTHER FAIRLY STEADY ROUND OF RAINFALL TO DEVELOP
LATER WEDNESDAY INTO WEDNESDAY NIGHT.

.TODAY...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......870.
  SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER).
                      NUMEROUS SHOWERS AND A SLIGHT CHANCE OF
                      THUNDERSTORMS AFTER 1200.
  MAX TEMPERATURE.....47-49.
  MIN HUMIDITY........78-80 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      ISOLATED SHOWERS.
  MIN TEMPERATURE.....38-42.
  MAX HUMIDITY........97-99 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 MPH UNTIL EARLY MORNING
                      THEN BECOMING LIGHT AND VARIABLE.

.OUTLOOK FOR TUESDAY...
  LAL.................4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......840.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....51-53.
  MIN HUMIDITY........67-69 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 MPH SHIFTING SHIFTING TO
                      SOUTHEAST 5 TO 7 MPH IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...DAVID JORDAN
REASON FOR REQUEST...PRESCRIBED
.TAG 20101018.DUCKC.02/SLC

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