Area Forecast Discussion
Issued by NWS Pocatello, ID

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FXUS65 KPIH 131031

Area Forecast Discussion
National Weather Service Pocatello ID
331 AM MST Mon Feb 13 2017

.SHORT TERM...Today through Wednesday night. Widespread high
pressure will keep the area dry through the period. Upper level
clouds will help slow the development of patchy fog and stratus
this morning. Expect gradual warming temperatures through the
period. With an inversion in place, expect warmer mountain
temperatures than valleys, particularly during the day. Patchy fog
and stratus are possible Tuesday morning as well but will be less
likely by Wednesday morning. TW

.LONG TERM...Thursday through Monday. Models have trended slightly
faster with onset of precipitation, so believe that Thursday and
Thursday night will be the likely focus for first round of wetter
pattern. First shortwave kicks northeast early Friday for brief
break in the pattern. Onset of strong southerly moist push arrives
Friday night and continues into early in the week as series of
shortwaves with connection to deeper Pacific flow. Guidance
continues to hold overnight lows near or above freezing for lower
elevations through the weekend. Flooding concerns will continue,
especially with the continued threat of additional moisture. DMH


.AVIATION...Cirrus shield dropping southeast across SE ID helping to
mitigate some of the fog concerns early tonight. Still a threat with
peak inversions being reached around 12Z so not ready to count it
out especially for KBYI/KPIH/KIDA. Outside of fog pockets, expect
VFR conditions to continue. Overnight threat for stratus/fog returns
with continued inversions tonight. DMH



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