Area Forecast Discussion
Issued by NWS Missoula, MT

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FXUS65 KMSO 192028

Area Forecast Discussion
National Weather Service Missoula MT
228 PM MDT FRI SEP 19 2014

.DISCUSSION...A ridge of high pressure will continue to build over
the Northern Rockies this weekend allowing for warm and dry
conditions. A weak disturbance will undercut the ridge late Sunday
into Monday which could cause a few showers across Lemhi county
into southwest Montana.

The first part of the week the ridge amplifies over the region as
a trough deepens along the west coast. This amplification could
drive a very warm airmass into the region. This airmass has the
potential to cause temperatures to reach near record readings on
Wednesday afternoon. The trough will move into the region for the
latter part of the week, but timing and moisture is still
uncertain at this time.


.AVIATION...The mid level cloud deck is anticipated to diminish
this evening as a dry air mass makes its way into the region. The
gusty westerly winds will also subside during the evening hours. A
ridge of high pressure continues to build into the region on
Saturday allowing for fair flying conditions.



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