FNUS75 KSLC 291029
FWSSLC

SPOT FORECAST FOR COOPER KNOLLS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
429 AM MDT WED APR 29 2009

.DISCUSSION...GUSTY WINDS WILL ONCE AGAIN BE THE PRIMARY CONCERN
FOR THE BURN SITE TODAY...AS RELATIVELY DEEP SOUTHWEST FLOW
REMAINS IN PLACE ACROSS THE REGION. SOUTHWEST WINDS WILL PICK UP
RAPIDLY LATER THIS MORNING WITH SPEEDS GENERALLY 15 TO 2O
MPH...BUT GUSTS ARE EXPECTED TO RAMP UP INTO THE MID 30S AT TIMES
DURING PEAK HEATING THIS AFTERNOON. THAT SAID...CLEARING INDICES
WILL REMAIN UNLIMITED AS VIGOROUS TRANSPORT WINDS AND RELATIVELY
DEEP MIXING HEIGHTS WILL HOLD. AS THE INFLUENCE OF THE PACIFIC
TROUGH CURRENTLY DRIVING THESE WINDS DECREASES THURSDAY...WINDS
WILL TREND TO DECREASE AS WELL...BUT CLEARING INDICES WILL REMAIN
VERY HIGH. THE NEXT SOMEWHAT SIGNIFICANT STORM WILL TRACK IN FROM
THE WEST LATE FRIDAY NIGHT BRINGING WET SNOW SHOWERS TO THE BURN
SITE SATURDAY.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....69-61.
  MIN HUMIDITY........15-17 PERCENT.
  WINDS - 20-FOOT.....WINDY. SOUTHWEST WINDS 5 TO 10 MPH THROUGH
                      9 AM THEN INCREASING TO 10 TO 20 MPH WITH
                      GUSTS TO AROUND 35 MPH DURING THE AFTERNOON
                      HOURS.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....34-36.
  MAX HUMIDITY........44-46 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 20 MPH BECOMING SOUTHWEST 5 MPH IN
                      THE LATE EVENING AND OVERNIGHT.

.OUTLOOK FOR THURSDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....60-62.
  MIN HUMIDITY........14-16 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 5 TO 10 MPH INCREASING TO 20 MPH
                      IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...ERIC EASTEP
REASON FOR REQUEST...PRESCRIBED
.TAG 20090429.COOPE.01/SLC

$$