FNUS75 KSLC 031333
FWSSLC

SPOT FORECAST FOR GRACE FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
733 AM MDT SAT AUG 3 2013

.DISCUSSION...RIDGE OVER NEW MEXICO AND TROUGH OFF THE WEST COAST
WILL KEEP A SOMEWHAT MOIST SOUTH TO SOUTHWEST FLOW ACROSS THE
REGION THROUGH SUNDAY. BY MONDAY THE FLOW BECOMES MORE SOUTHERLY
AND MUCH DEEPER MOISTURE WILL BE DRAWN NORTHWARD INTO UTAH WITH A
MUCH GREATER POTENTIAL FOR WETTING RAINS BOTH MONDAY AND TUESDAY
BEFORE DRYING WESTERLY FLOW TAKES OVER.

A WEAK DISTURBANCE WILL BRUSH BY THE FIRE EARLY THIS AFTERNOON
BOOSTING THE PROBABILITY OF SHOWERS AND THUNDERSTORMS FROM ABOUT
1200 TO 1500 ALTHOUGH THEY COULD LINGER LONGER. GUSTY ERRATIC WINDS
WILL BE THE MAIN THREAT.

.TODAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      AFTER NOON.
  MAX TEMPERATURE.....77-80.
  MIN HUMIDITY........20-24 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 MPH THIS MORNING BECOMING
                      SOUTHWEST 5 TO 10 MPH THIS AFTERNOON.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      UNTIL MIDNIGHT.
  MIN TEMPERATURE.....55-57.
  MAX HUMIDITY........59-61 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH.

.OUTLOOK FOR SUNDAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......960.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (45-55 PERCENT CLOUD
                      COVER). A CHANCE OF SHOWERS AND THUNDERSTORMS
                      IN THE AFTERNOON.
  MAX TEMPERATURE.....80.
  MIN HUMIDITY........22-24 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 MPH SHIFTING TO THE SOUTHWEST 10
                      TO 15 MPH IN THE AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...CHRISTENSEN
REASON FOR REQUEST...WILDFIRE
.TAG 20130803.GRACE.01/SLC

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