FNUS75 KSLC 181031
FWSSLC

SPOT FORECAST FOR RHYOLITE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
431 AM MDT WED JUL 18 2012

.DISCUSSION...CIRCULATION OFF THE NORTHERN CALIFORNIA COAST WILL
CONTINUE TO REMAIN NEARLY STATIONARY AND DRAW DRY AIR IN ACROSS
THE REGION TODAY. HOWEVER...THE FLOW WILL BECOME MORE SOUTHERLY
ALOFT LATER TONIGHT THROUGH THE WEEKEND WHICH WILL IMPORT
MOISTURE BACK INTO UTAH. INITIALLY THE MOISTURE ON THURSDAY WILL
BE AT HIGH LEVELS BUT BY FRIDAY THE MOISTURE WILL BE DEEPER AND
SUPPORT A CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY THROUGH THE
WEEKEND.

THE RELATIVE HUMIDITY WILL DROP INTO THE SINGLE DIGITS FOR THE
FIRST TIME IN NEARLY A WEEK SO THE FUELS WILL DRY READILY TODAY
UNDER THE HOT AND DRY CONDITIONS.



.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT CLOUD COVER)
                      THROUGH NOON THEN INCREASING THIN HIGH CLOUDS
                      (30-50 PERCENT CLOUD COVER) THIS AFTERNOON.
  MAX TEMPERATURE.....87-90.
  MIN HUMIDITY........8-10 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 TO 10 MPH INCREASING TO 15 MPH
                      IN THE AFTERNOON WITH GUSTS TO 25 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........HIGH CLOUDS (40-60 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....63-66.
  MAX HUMIDITY........24-28 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS.


.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......990.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....87-90.
  MIN HUMIDITY........10-13 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 MPH INCREASING TO 15 MPH IN THE
                      AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...PATTI DESHAW
REASON FOR REQUEST...WILDFIRE
.TAG 20120717.RHYOL.01/SLC

$$