997 FXUS66 KPDT 072112 AFDPDT Area Forecast Discussion National Weather Service Pendleton OR 212 PM PDT Tue Jul 7 2020 .SHORT TERM...This afternoon through Thursday night...Front has cleared the region. In its wake, dry conditions, outside of showers along Cascade crest, expected as the flow becomes westerly. Breezy to windy conditions and cooler temps expected behind the front with highs upper 60s to low 80s. Winds will likely reach advisory criteria in the Kittitas Valley and the Gorge east of The Dalles. Weak transient ridge pushes across the region tonight into Wednesday. This will bring an end to Cascade showers and also bring slightly warmer temps, lighter winds and mostly sunny skies for Wednesday. The dry and calm conditions continue Wednesday night into most of Thursday. Warmer temps expected Thursday (upper 70s to upper 80s) as the flow turns southwest as another shortwave trough/front approaches the region. Models in better agreement on timing and have it pushing across Thursday night. Not a lot of moisture with this system as the flow remains west to southwest, but may be enough moisture and instability for be a chance or showers/storms over the eastern mountains with showers along the Cascade crest. Many areas of the Lower Columbia Basin and surrounding valleys will experience breezy to windy conditions once again with gusts mainly around 25-35 mph...locally higher. .LONG TERM...Friday through Tuesday...Models are in reasonable agreement for the period. Could be lingering Cascade crest showers and eastern mountain showers/storms Friday morning as the trough/front kick east of the region. Some locally breezy winds possible Friday behind the system, mainly through the Cascade gaps. Highs will be near 80 to near 90. As we head towards the weekend, ridge strengthens over the four corners region with axis extending up through northern Rockies. This will bring warm and dry southwest flow over the PacNW through Saturday. Saturday night into Sunday, a another trough/front will swing through the region as an upper low pushes across southern Canada. It appears that large scale forcing for upward vertical motion will be confined mostly to the U.S./Canadian border the threat of showers/storms looks low, with best chance again across the eastern mountains. Breezy to windy conditions possible Sat/Sun with the front passage, mainly through the Cascade gaps. Early next week looks to be dry and possibly breezy again with westerly flow aloft. Warmest day will be Saturday with highs in the mid 80s to mid 90s, cooler Sunday through Tuesday with highs in the mid 70s to upper 80s. && .AVIATION...previous discussion...18Z TAFs...VFR conditions will prevail through the period. Outside of some thin cirrus and perhaps a few afternoon cumulus clouds skies will be clear. Winds increase to 14-22g22-30kts. Could be gusts up to 35kts at DLS and PDT. Winds will decrease tonight to around 10kts or less and remain lower through tomorrow, except at DLS which will increase to 12-18kts. && .PRELIMINARY POINT TEMPS/POPS... PDT 53 80 54 84 / 0 0 0 0 ALW 54 81 56 86 / 0 0 0 0 PSC 56 83 57 87 / 0 0 0 0 YKM 52 82 55 82 / 0 0 0 10 HRI 55 83 57 86 / 0 0 0 0 ELN 53 76 56 76 / 0 0 0 10 RDM 44 78 47 81 / 0 0 0 0 LGD 50 76 52 80 / 0 0 0 10 GCD 48 78 51 83 / 0 0 0 0 DLS 57 79 59 79 / 10 0 0 0 && .PDT WATCHES/WARNINGS/ADVISORIES... OR...Wind Advisory until 11 PM PDT this evening for ORZ041. WA...Wind Advisory until 11 PM PDT this evening for WAZ024-026. && $$ 84/84/84