Area forecast discussion 
National Weather Service Gray ME 
736 PM EDT Friday Jun 24 2016 


Synopsis... 
high pressure strengthens over northern New England from the 
northwest tonight and remains into Saturday. This high will move 
offshore later in the the weekend and early next week and allow a 
more humid air mass to move into the region. A slow moving cold 
front approaching from the west brings a chance of showers and 
thunderstorms Tuesday, Wednesday and into early Thursday. The 
front will exit the region by late Thursday. 


&& 
23z update... 
high pressure settling in over the northeast will produce a mostly 
clear night across the region. Low temps overnight will range 
through the 40s in the north and upper 40s to mid 50s in the 
south. Have made some minor tweaks to temp and TD grids... 
otherwise no major changes planned to current forecast. 


&& 


Previous discussion... 
near term /until 6 am Saturday morning/... 
high pressure will remain over the region tonight. This will mean 
clear to mostly clear skies. Winds will be light and will allow 
for a cool-ish night as radiational cooling should occur. Valley 
fog is once again possible late tonight in the CT valley. 


&& 


Short term /6 am Saturday morning through Saturday night/... 
Saturday should be a warmer day and mostly dry. With a little more 
moisture in the low levels working in tandem with cold temps aloft 
there could be a few showers or thunderstorms in the mountains 
during the afternoon hours with the help of orographics. The rest 
of the region should be mostly sunny. 


Mostly clear night on tap for Saturday night with some valley fog 
once again possible. 


&& 


Long term /Sunday through Friday/... 
drought conditions persist across the forecast area as the region 
awaits a soaking rain. It will remain dry Sunday as upper level 
ridging continues over Maine and New Hampshire. It will be mild 
inland at 800 mb temperatures reach ~ +15c. Along the coast, sea 
breezes will continue to keep chilly conditions with highs only in 
the 70s. Similar conditions can be expected on Monday as a very 
slow cold front approaches from the northwest. 


By Tuesday, an upper level low pressure system and surface cold 
front will continue to slowly move east. Moisture will be 
entrained into the system as a southerly flow develops ahead of 
the system. Showers will break out into the mountains late in the 
day. 


The upper level feature and frontal system will become stationary 
as we head into Wednesday allowing more showers over far western 
portions of the forecast area. Some of this precipitation may be 
heavy due to the slow movement of the system and increasing 
precipitable water values. 


The system will begin to lift out of the region on Thursday as 
another upper level feature builds into the region from hudson's 
Bay Canada. 


&& 


Aviation /00z Saturday through Wednesday/... 
short term...VFR conditions through Saturday night will prevail. 
However patchy MVFR restrictions valley fog are possible late 
tonight and again Saturday night, mainly at leb and hie. A sea 
breeze is likely Saturday afternoon. 


Long term...VFR through Monday. MVFR to IFR conditions in 
showers/thunderstorms Tuesday. 


&& 


Marine... 
short term...relatively tranquil waters with winds and seas below 
small craft criteria are forecast through Saturday night. 


Long term...winds and seas to remain below sca levels through the 
period. 


&& 


Gyx watches/warnings/advisories... 
ME...none. 
New Hampshire...none. 
Marine...none. 


&& 


$$ 



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