FNUS75 KSLC 261449
FWSSLC

SPOT FORECAST FOR BRIDGE FIRE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
849 AM MDT SUN JUL 26 2009

.DISCUSSION...THE RIDGE OF HIGH PRESSURE WHICH HAS DOMINATED OUR
WEATHER FOR THE PAST SEVERAL DAYS PUMPING MONSOONAL MOISTURE
ACROSS THE REGION WILL RELOCATE FAR TO OUR SOUTHWEST OVER BAJA AS
A MAJOR TROUGH DEVELOPS OVER THE HIGH PLAINS. THIS TROUGH WILL
PLACE UTAH UNDER A DRIER NORTHWEST FLOW TUESDAY THROUGH THE END OF
THE WORK WEEK. DURING THE TRANSITION PERIOD TODAY AND MONDAY WE
STILL HAVE DEEP MOISTURE THAT WILL GRADUALLY GET SHUNTED SOUTH
AND EAST. THE FLOW TODAY WILL BE FROM WEST TO EAST ACROSS THE AREA
TODAY AND NORTHWEST TONIGHT THROUGH MONDAY.

MOSTLY SUNNY SKIES THIS MORNING WILL ALLOW GOOD INSOLATION SO
THUNDERSTORMS WILL LIKELY DEVELOP BY ABOUT MIDDAY AND CONTINUE
INTO EARLY EVENING. WITHOUT ANY SIGNIFICANT IDENTIFIABLE
DISTURBANCE TO FOCUS INSTABILITY TODAY WE ARE LOOKING AT TERRAIN
INDUCED CONVECTION AND SHOULD BE THE CASE MONDAY AS WELL. ANY STORM
THAT DIRECTLY IMPACTS THE FIRE TODAY WILL BRING WETTING RAINS.

.TODAY...
  LAL.................1 UNTIL NOON...THEN 3.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........BECOMING PARTLY CLOUDY (45-55 PERCENT CLOUD
                      COVER). SCATTERED SHOWERS AND THUNDERSTORMS
                      AFTER NOON.
  MAX TEMPERATURE.....80.
  MIN HUMIDITY........29-32 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH DEVELOPING THIS
                      AFTERNOON.

.TONIGHT...
  LAL.................3 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT.
  MIN TEMPERATURE.....46-49.
  MAX HUMIDITY........84-87 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH.

.OUTLOOK FOR MONDAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....82-84.
  MIN HUMIDITY........22-24 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH.



FORECASTER...STRUTHWOLF
REQUESTED BY...GREGG CHRISTENSEN
REASON FOR REQUEST...WILDFIRE
.TAG 20090726.BRIDG.01/SLC

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