987 FXUS66 KPDT 150522 AFDPDTArea Forecast Discussion National Weather Service Pendleton OR 1022 PM PDT Sun Sep 14 2025
Updated Aviation Discussion
.AVIATION...06z TAFs...VFR conditions expected. Cigs will gradually clear across all sites, with PDT and ALW seeing bkn-ovc cigs until early morning Monday, before skc prevails across the forecast area by late Monday morning. Gusty conditions will also slacken overnight before winds shift more north and easterly during the day, becoming light and terrain-driven by the end of the period. Evans/74
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PREV DISCUSSION... /issued 119 PM PDT Sun Sep 14 2025/
DISCUSSION...Satellite imagery reveals a negatively tilted trough over the Pacific Northwest. The trough`s attendant cold front passed across the forecast area overnight through this morning, and is now tracking east into the northern Rockies. Widespread cumulus has developed in the weakly unstable post- frontal environment, though most updrafts are still shallow (
NWS PDT Office Area Forecast Discussion