textproduct: Caribou

WHAT HAS CHANGED

- Accelerated end time of precipitation this evening. - increased clearing this evening - lowered temperatures tonight - modified the key message to specifically mention lows tonight - updated aviation section of the AFD for 00z TAFs

KEY MESSAGES

1) Unseasonably cold tonight, then gradually moderating temperatures into early next week. It should be mainly dry, except for possibly some light showers from late Wednesday into Thursday. No significant impacts are expected through Monday of next week.

DISCUSSION

KEY MESSAGE 1... Unseasonably cold tonight, then gradually moderating temperatures into early next week. It should be mainly dry, except for possibly some light showers from late Wednesday into Thursday. No significant impacts are expected through Monday of next week.

KEY MESSAGE 1 DESCRIPTION... The vertically stacked trof will begin to move over the region tonight. This will continue to provide a pipeline of cold air into the area, causing temps to be well below normal with upper single digits to mid teens in the north and upper teens to mid 20s in the south tonight. Note: With sky conditions clearing out fairly rapidly over Quebec - would expect something similar here. Based on mainly clear sky and light winds, have lowered lows for tonight, blending in NBM10 with NBM25. Also subtracted a couple of degrees in normally colder valley locations.

The region is under NW flow aloft Wednesday through Saturday night. A northern stream closed low passing to the north, then northeast Wednesday through Thursday could bring some light rain or snow showers (just rain showers at the coast), with little or no measurable snowfall and less than 1/4 of an inch of liquid equivalent expected. Otherwise it should be dry from Wednesday through Saturday night, with gradually moderating temperatures.

Deep layered ridging builds in Sunday through Monday with continued dry conditions and near to slightly above normal temperatures.

AVIATION /00Z TUESDAY THROUGH SATURDAY/

VFR at all terminals through the TAF period. Winds quickly become light and variable throughout early this evening. Winds should remain light and variable at northern terminals through the TAF period. KBGR and KBHB should see a sea breeze at or just under 10kt Tuesday afternoon.

Tuesday night...VFR.

Wednesday: VFR at terminals near the eastern border with Canada, with a low chance of MVFR elsewhere in the afternoon. S-SW winds G15KT possible.

Wednesday night-Thursday: MVFR or lower possible. NW winds G15-20KT possible Thursday afternoon.

Thursday night-Saturday: VFR. NW winds G15-20KT possible both Friday and Saturday afternoon.

MARINE

Winds and seas will remain below SCA conditions tonight, Tuesday and Tuesday night.

A relaxed pressure gradient over the waters Wednesday through Saturday should limit sustained winds to 15 kt or less, gusts to 20 kt or less and seas to 4 ft or less through this time frame.

CAR WATCHES/WARNINGS/ADVISORIES

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