FNUS75 KSLC 172307
FWSSLC

SPOT FORECAST FOR 73
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
507 PM MDT THU MAY 17 2012

.DISCUSSION...HIGH BASED MOISTURE WITHIN SOUTHWESTERLY FLOW ALOFT
WILL CONTINUE TO SPREAD ACROSS THE AREA THROUGH THIS EVENING
BRINGING OCCASIONAL SHOWERS AND ISOLATED DRY THUNDERSTORMS. LITTLE
IF ANY RAINFALL IS EXPECTED THROUGH MIDNIGHT...HOWEVER GUSTY AND
ERRATIC DOWNBURST WINDS ARE LIKELY THROUGH THE DURATION OF THE
EVENING.

A COLD FRONT WILL CROSS THE AREA AROUND OR SHORTLY AFTER MIDNIGHT
WITH WINDS SWITCHING TO THE NORTHWEST AND REMAINING BREEZY. COOLER
AIR AND HIGHER HUMIDITY WILL MOVE INTO THE AREA BEHIND THE
FRONT...AS WELL AS A BETTER CHANCE FOR SHOWERS FRIDAY MORNING.
THESE SHOWERS WILL LIKELY PERSIST PERIODICALLY THROUGHOUT THE DAY.

.TONIGHT...
  LAL.................2.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT CLOUD COVER).
                      OCCASIONAL HIGH BASED SHOWERS AND ISOLATED
                      THUNDERSTORMS.
  MIN TEMPERATURE.....51-54.
  MAX HUMIDITY........37-40 PERCENT.
  WINDS - 20-FOOT.....SOUTH 10-20 MPH WITH GUSTS TO 30 MPH BECOMING
                      NORTHWEST 10-20 WITH GUSTS TO 35 MPH AFTER
                      MIDNIGHT. GUSTY ERRATIC WINDS TO 45 MPH LIKELY
                      NEAR SHOWERS AND THUNDERSTORMS.

.FRIDAY...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER).
                      OCCASIONAL SHOWERS AND ISOLATED THUNDERSTORMS
                      UNTIL NOON...THEN SCATTERED SHOWERS AND
                      ISOLATED THUNDERSTORMS AFTER NOON.
  MAX TEMPERATURE.....66-69.
  MIN HUMIDITY........22-25 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST 15-25 MPH WITH GUSTS NEAR 35 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......310.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....NEAR 70.
  MIN HUMIDITY........17-20 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST 4-9 MPH SHIFTING TO THE
                      NORTHWEST IN THE AFTERNOON.



FORECASTER...SEAMAN
REQUESTED BY...ROYCE ARNOLD
REASON FOR REQUEST...WILDFIRE
.TAG 20120517.73___.01/SLC

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