FNUS75 KSLC 191445
FWSSLC

SPOT FORECAST FOR OGDEN BAY RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
845 AM MDT MON APR 19 2010

.DISCUSSION...PLAN ON SEEING A GRADUAL INCREASE OF SOUTHERLY FLOW
DEVELOP OVER THE NEXT 24-36 HOURS AS A PACIFIC TROUGH CARVES INTO
THE SOUTHERN GREAT BASIN TUESDAY. INCREASE OF SOUTHERLY FLOW
COUPLED WITH ALREADY DECENT MIXING WILL ALLOW FOR CLEARING INDEX
TRENDS TO INCREASE SIGNIFICANTLY FOR TUESDAYS PLANNED BURN.
ANTICIPATE A WEAK LOW LEVEL INVERSION WILL BE IN PLACE THROUGH 9
TO 10 AM TUESDAY MORNING...BUT THAT WILL BREAK RAPIDLY AS THE SUN
CRESTS THE WASATCH ALLOWING SURFACE TEMPS TO RAPIDLY CLIMB.
PRECIP THREATS WILL INCREASE LATE TUESDAY NIGHT AND ESPECIALLY
WEDNESDAY MORNING...WITH UNSETTLED WEATHER LINGERING THEREAFTER
THROUGH THE END OF THE WEEK.

.TODAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........800.
SKY/WEATHER...........MOSTLY SUNNY (15-25 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN PARTLY CLOUDY (30-40
                      PERCENT CLOUD COVER).
MAX TEMPERATURE.......76-78.
MIN HUMIDITY..........14-16 PERCENT.
WIND (20 FT)..........SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE WEST
                      BETWEEN 12 AND 1 PM.

.TONIGHT...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
SKY/WEATHER...........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER).
MIN TEMPERATURE.......51-53.
MAX HUMIDITY..........47-49 PERCENT.
WIND (20 FT)..........WEST 5 MPH THROUGH 8 TO 9 PM...THEN BECOMING
                      SOUTHEAST 5 TO 7 MPH.


.OUTLOOK FOR TUESDAY...
LAL...................1.
HAINES INDEX..........3 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
MAX TEMPERATURE.......77-80.
MIN HUMIDITY..........19-21 PERCENT.
WIND (20 FT)..........SOUTH WINDS 5 TO 10 MPH IN THE MORNING...
                      INCREASING TO 15 TO 20 MPH IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...DAN AMES
REASON FOR REQUEST...PRESCRIBED
.TAG 20100420.OGDEN.01/SLC

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