FNUS75 KSLC 092112
FWSSLC

SPOT FORECAST FOR NARROWS SAR
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
312 PM MDT FRI SEP 9 2011

.DISCUSSION...A SOMEWHAT MOIST AIRMASS IS GETTING WRAPPED UP
AROUND A BROAD LOW PRESSURE SYSTEM THAT IS CURRENTLY OVER THE
SOUTHERN GREAT BASIN. WITHIN THIS LOW THERE ARE SOME MINOR
CIRCULATIONS...ONE OF WHICH IS LOCATED TO YOUR SOUTHEAST NEAR
FREDONIA WHICH IS RESULTING IN A LIGHT NORTHERLY FLOW ACROSS ZION
NATIONAL PARK THIS AFTERNOON. SHOWERS AND THUNDERSTORMS OVER
WESTERN KANE COUNTY ARE EXPECTED TO CONTINUE MOVING SOUTH THIS
AFTERNOON AND NOT AFFECT YOUR SAR. HOWEVER...A THUNDERSTORM THAT
WAS NEAR KANARRAVILLE AT 1430 MDT AND WAS MOVING SOUTH HAS
WEAKENED IN THE PAST 10 MINUTES. THUNDERSTORMS ACROSS SOUTHWEST
UTAH HAVE BEEN MOVING FAST ENOUGH NOT TO CREATE MUCH MORE THAN A
HALF INCH OVER THE PAST TWO HOURS...BUT THEY COULD PRODUCE BRIEF
HEAVY RAIN.

BY TOMORROW THE FLOW ALOFT REVERSES TO SOUTHERLY AS THE
CIRCULATION ALOFT MOVES OVER SOUTHERN NEVADA. THUNDERSTORMS WILL
APPROACH FROM THE SOUTH.

.REST OF TODAY...
  LAL.................3.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......420.
  SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....80-82.
  MIN HUMIDITY........24-26 PERCENT.
  WINDS - 20-FOOT.....EAST WINDS 10 MPH.

.TONIGHT...
  LAL.................3 UNTIL MIDNIGHT...THEN 2.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN A SLIGHT CHANCE OF SHOWERS
                      AND THUNDERSTORMS.
  MIN TEMPERATURE.....46-48.
  MAX HUMIDITY........71-73 PERCENT.
  WINDS - 20-FOOT.....EAST WINDS 10 MPH SHIFTING TO THE SOUTH LATE
                      IN THE EVENING...THEN INCREASING TO NORTHEAST
                      15 MPH AFTER MIDNIGHT.

.OUTLOOK FOR SATURDAY...
  LAL.................2 UNTIL NOON...THEN 3.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......820.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER)
                      THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT
                      CLOUD COVER). A SLIGHT CHANCE OF SHOWERS AND
                      THUNDERSTORMS IN THE MORNING...THEN A CHANCE
                      OF SHOWERS AND THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....77-79.
  MIN HUMIDITY........36-38 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE
                      SOUTHEAST 5 TO 10 MPH IN THE AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...BRANDON TORRES
REASON FOR REQUEST...SAR
.TAG 20110909.NARRO.01/SLC

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