FNUS75 KSLC 230244
FWSSLC

SPOT FORECAST FOR HURRICANE ASSIST 02
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
844 PM MDT TUE MAY 22 2012

...RED FLAG WARNING UNTIL 400 AM MDT WEDNESDAY...

.DISCUSSION...USING A SITE CALLED SAND HOLLOW FOR THE OBSERVATION.
THIS SITE IS ABOUT 2-3 MILES SOUTHWEST OF THE FIRE SITE. A COLD
FRONT ACROSS CENTRAL UTAH THIS EVENING WILL MOVE TO A POINT JUST TO
THE NORTH OF THE FIRE SITE EARLY WEDNESDAY MORNING. WARM
TEMPERATURES AND POOR RH RECOVERIES ARE EXPECTED TONIGHT...WITH
PERSISTENT SOUTHWEST WINDS CREATING HAZARDOUS FIRE WEATHER
CONDITIONS. THE FRONT WHEN IT MOVES THROUGH EARLY WEDNESDAY WILL BE
DRY THE MOST NOTABLE CHANGE WILL BE THE WIND SHIFT NORTH-NORTHWEST
AND A MODEST DECREASE IN TEMPERATURES. HUMIDITIES WILL REMAIN LOW.
TEMPERATURES COULD COOL OFF FURTHER THURSDAY...THEN BOUNCE BACK
FRIDAY WITH WINDY CONDITIONS AND SINGLE-DIGIT RH VALUES FRIDAY
AFTERNOON. AN UPPER LEVEL TROUGH WILL SWING EAST THROUGH THE AREA
THIS WEEKEND...BRINGING NOTICEABLY COOLER TEMPERATURES...SOMEWHAT
HIGHER RH VALUES AND A SHORT-DURATION THREAT FOR PRECIPITATION
SATURDAY AFTERNOON/EVENING.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (5-10 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....72-74.
  MAX HUMIDITY........POOR RECOVERIES AT 10-12 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 12 TO 18 MPH...BECOMING 6 TO
                      12 MPH AFTER MIDNIGHT.

.WEDNESDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....91-93.
  MIN HUMIDITY........6-8 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 5 TO 10 MPH...INCREASING TO 12
                      TO 18 MPH AFTER 1000. GUSTS TO 25 MPH DURING
                      THE AFTERNOON.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....87-89.
  MIN HUMIDITY........11-13 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 TO 10 MPH BECOMING
                      SOUTHWEST 8 TO 14 MPH DURING THE AFTERNOON.


FORECASTER...CONGER
REQUESTED BY...Colt Coates
REASON FOR REQUEST...WILDFIRE
.TAG 20120522.HURRI.01/SLC

$$