textproduct: Gray - Portland

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

WHAT HAS CHANGED

Temperatures have been lowered for the rest of today based on trends in cloud cover.

KEY MESSAGES

1. Warmer temperatures are expected Thursday with mostly dry conditions continuing.

2. Through the weekend will be more of a typical fall pattern. A series of front cross the region with chances of showers followed by cool and breezy conditions.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/

Through 18Z Thursday...Stubborn MVFR deck should gradually trend toward VFR through this afternoon. After that, mainly VFR through the TAF period. Valley fog is possible tonight at HIE and LEB but could be limited due to too much cloud cover. Another area to watch for IFR fog and/or stratus is in the PWM- AUG-RKD corridor tonight into mid morning Thursday.

Outlook:

Rest of Thursday: Mainly VFR, but marine fog may linger near PWM and RKD in the afternoon to early evening.

Thursday night: Mostly VFR. Again, valley fog could develop at HIE and LEB, but more clouds ahead an approaching front may limit development. This front could bring a few showers to HIE late. LLWS is possible.

Friday: Areas of MVFR or lower possible in rain showers.

Saturday: VFR conditions expected. Local IFR or lower overnight in valley fog.

Sunday: VFR conditions expected. Local MVFR or lower conditions possible in rain showers.

Monday: VFR conditions expected.

Tuesday: VFR conditions expected. Westerly winds may gust up to 25 kt.

MARINE

Through Thursday night...High pressure remains centered just offshore of the Mid-Atlantic that will keep prevailing southwest winds across the waters. These begin to increase late Thursday and Thursday night as a cold front approaches but are expected to remain below SCA levels.

Winds and seas are expected to remain below SCA thresholds thru the weekend. Stronger CAA across the warm waters is likely to peak around Tue. This will be the most likely period for SCA conditions across the coastal waters and perhaps into the bays as well.

GYX WATCHES/WARNINGS/ADVISORIES

ME...None. NH...None. MARINE...None.

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