Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 262018

Area Forecast Discussion
National Weather Service Pocatello ID
218 PM MDT Wed Oct 26 2016


High pressure will produce dry and warm conditions into Thursday.
However, a strong low pressure system will off the coast of
northern California will work inland. Expect deteriorating
conditions of Thursday with showers arriving late Thursday
afternoon or Thursday night. Precipitation will overspread much of
the area Friday into Friday night as the low moves through the
region. Snow levels look very high for this event, well above 9000
feet. Precipitation amounts are impressive with many areas
receiving around half an inch of rain with up to an inch likely
near ridgetop level across the central Idaho mountains and the
upper Snake highlands.


.LONG TERM...Saturday through Wednesday night. Two systems will
impact the region through Monday: one departing the area on
Saturday, and a second one coming in Sunday night into Monday.
Models appear to support the notion that Monday`s storm will be
stronger. ECMWF and GFS recently have come in better agreement with
the timing. Major difference emerge around mid-week with the ECMWF
developing a split flow with a cutoff low approaching California
where the GFS suggests a broad upper trough over the area. Made only
minor adjustments to extended periods. Hinsberger

.AVIATION...Upper ridging should lead to continued VFR conditions.
Breezy southerly winds are expected this afternoon, but should taper
off by evening. Hinsberger



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