textproduct: Caribou
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
530 am update... Lowered temps for tonight based on current trends
Update for 12z aviation discussion
KEY MESSAGES
1) Potential for frost tonight and Wednesday night across the north.
2) A coastal low could impact at least Downeast Maine late this week.
DISCUSSION
KEY MESSAGE 1...Potential for frost tonight and Wednesday night across the north.
KEY MESSAGE 1 DESCRIPTION... High pressure building into the area this morning may lead to favorable radn/l cooling conditions as low lying valleys decouple. Patchy/areas of frost are expected tonight and again Wednesday night with temperatures dipping to near/below freezing each night in normally colder low lying and valley locations.
KEY MESSAGE 2...A coastal low could impact at least Downeast Maine late this week.
KEY MESSAGE 2 DESCRIPTION... A coastal low is expected to develop across the Mid-Atlantic region later this week while high pressure remains centered over Quebec. The track of the ocean low is still uncertain with blocking high pressure to the northwest of our forecast area and ridging across the Great Lakes. Uncertainty remains regarding the northern edge of the precipitation shield and whether rain will reach Maine. Northerly to northeasterly winds could become gusty over the weekend, especially along the coast, as a tight pressure gradient forms.
AVIATION /09Z TUESDAY THROUGH SATURDAY/
Today...VFR. North/northwest winds 5 to 10 knots.
Tonight...VFR, though cannot rule out patchy fog at PQI and HUL late. Light N winds for all but PQI/HUL, where winds will go calm.
Wednesday-Thursday night...Variable conditions in any patchy late night fog, otherwise VFR. North/northeast winds 5 to 10 knots.
Friday-Saturday...VFR north. VFR/MVFR Downeast with a chance of rain. Across northern areas, northeast/north winds 5 to 10 knots. Across Downeast areas, northeast/north winds 10 to 15 knots with gusts up to around 20 knots.
MARINE
Winds will be below SCA levels today and tonight before increasing out of the northeast with gusts 25-30kts over the outer waters early Wednesday morning into the afternoon. Seas will range from 2-3 feet over the intracoastal and coastal ocean waters today with 4-5 feet expected over the outer waters through the day on Wednesday. Gales possible over all but the intracoastal late week into the weekend. Building seas late week into the weekend.
CAR WATCHES/WARNINGS/ADVISORIES
ME...None. MARINE...None.
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