FNUS75 KSLC 151009
FWSSLC

SPOT FORECAST FOR PATCH SPRINGS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
409 AM MDT THU AUG 15 2013

...RED FLAG WARNING THROUGH 9 PM MDT THIS EVENING...

.DISCUSSION...HOT TEMPERATURES AND BONE DRY CONDITIONS WILL
CONTINUE TODAY AS HIGH PRESSURE BUILDS OVERHEAD. SIGNIFICANT
INSTABILITY REMAINS IN PLACE AND THESE FACTORS LEAD TO THE RED
FLAG WARNING IN PLACE AS EXTREME FIRE BEHAVIOR REMAINS LIKELY
DURING THE PEAK HEATING HOURS. SIMILAR CONDITIONS LOOK TO REMAIN
IN PLACE THROUGH FRIDAY AND MAY NEED TO EXTEND THE RED FLAG
THROUGH INTO FRIDAY EVENING AS SUCH.

WINDS WILL REMAIN DIURNALLY SLOPE DRIVEN WITH DAYTIME
UPSLOPE...GUSTY IN THE AFTERNOON...AND OVERNIGHT DOWNSLOPE
REMAINING AT LIGHT TO MODERATE LEVELS. HUMIDITY AS SAID WILL
REMAIN BONE DRY WITH POOR OVERNIGHT RECOVERY THROUGH THE END OF
THE WEEK. THIS SAID...A SIGNIFICANT MOISTURE SURGE FROM THE SOUTH
IS EXPECTED THIS WEEKEND HOLDING WELL INTO NEXT WEEK. WETTING
RAIN POTENTIAL LOOKS TO INCREASE THROUGH THAT TIME AS COVERAGE
OF SHOWERS/STORMS WILL INCREASE ONCE AGAIN.

.TODAY...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......980.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....93-97.
  MIN HUMIDITY........4-8 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE 5-10 MPH THROUGH 09/1000 BECOMING
                      UPSLOPE 8 TO 15 MPH. GUSTS TO 25 MPH DURING
                      PEAK HEATING AFTER 1400.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........6 ..HIGH.
  SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....64-66.
  MAX HUMIDITY........19-23 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE 8 TO 15 MPH THROUGH 2000 BECOMING
                      DOWNSLOPE 5 TO 10 MPH WITH OCCASIONAL GUSTS
                      TO 18 MPH AFTER MIDNIGHT.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....91-94.
  MIN HUMIDITY........6-10 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE WINDS 5 TO 10 MPH THROUGH 0900
                      THEN BECOMING UPSLOPE 10 TO 15 MPH.



FORECASTER...MERRILL
REQUESTED BY...P  CORRIGAN
REASON FOR REQUEST...WILDFIRE
.TAG 20130814.PATCH.02/SLC

$$