Suppression Forecast
Issued by NWS Salt Lake City, UT

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000
FNUS75 KSLC 251933
FWSSLC

SPOT FORECAST FOR WEST BLACKTAIL
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
133 PM MDT FRI JUL 25 2014

.DISCUSSION...A MODERATE SOUTHWEST FLOW ALOFT WILL REMAIN IN PLACE
ACROSS UTAH FOR THE REMAINDER OF THE DAY. PEAK HEATING THIS
AFTERNOON IS ALLOWING THAT FLOW TO SURFACE AT THE WEST BLACKTAIL
WILDFIRE SITE...AND SOUTHWESTERLY SURFACE GUSTS IN THE MID TO
UPPER 20 MPH RANGE ARE EXPECTED TO CONTINUE THROUGH 17-1800 AS A
RESULT. WITH LOSS OF HEATING...WINDS ARE EXPECTED TO DISSIPATE
RAPIDLY THIS EVENING...WITH MODERATE RH RECOVERY OVERNIGHT.

FLOW ALOFT WILL TREND MORE SOUTHERLY TOMORROW INTO EARLY
NEXT WEEK ALLOWING A NET MOISTENING TREND THROUGH THAT TIME. THE
POTENTIAL FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AT THE SITE
EACH DAY THROUGH MONDAY...AS WILL SURFACE HUMIDITY TRENDS.
SOUTHWESTERLY WINDS DO LOOK TO INCREASE AGAIN TOMORROW AFTERNOON
DURING PEAK HEATING...BUT AS THINGS MOISTEN FURTHER SUNDAY THROUGH
MONDAY WINDS ARE EXPECTED TO BECOME LIGHT AND GENERALLY DIURNALLY
TERRAIN DRIVEN. WETTING RAINS LOOK POSSIBLE SUNDAY AND ESPECIALLY
MONDAY.

.REST OF TODAY...
  LAL.................2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
                      CAN NOT RULE OUT A QUICK HITTING SHOWER OR
                      STORM AFTER 1400.
  MAX TEMPERATURE.....87-90.
  MIN HUMIDITY........15-19 PERCENT.
  WINDS - 20-FOOT.....WEST-SOUTHWEST WINDS 15 TO 20 MPH WITH SOME
                      GUSTS IN THE 25 TO 28 MPH RANGE.

.TONIGHT...
  LAL.................2 UNTIL 2200...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
                      2200 THEN DRY.
  MIN TEMPERATURE.....60-62.
  MAX HUMIDITY........48-50 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 15 MPH BECOMING SOUTHWEST 5 MPH
                      LATE IN THE EVENING...THEN BECOMING
                      DOWNSLOPE/DOWNVALLEY 3 TO 7 MPH.

.OUTLOOK FOR SATURDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (50-60 PERCENT CLOUD
                      COVER). A CHANCE OF SHOWERS AND THUNDERSTORMS
                      IN THE AFTERNOON.
  MAX TEMPERATURE.....84-86.
  MIN HUMIDITY........17-19 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE/DOWNVALLEY 5 TO 10 MPH SHIFTING
                      TO THE WEST AFTER 1100...THEN INCREASING
                      TO 10 TO 15 MPH WITH OCCASIONAL GUSTS TO
                      20 MPH AFTER 1300.



FORECASTER...MERRILL
REQUESTED BY...CHRIS DEETS
REASON FOR REQUEST...WILDFIRE
.TAG 20140725.WESTB.01/SLC

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