Fantastic Thursday on the way - Western Mass News - WGGB/WSHM


Fantastic Thursday on the way

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Another beautiful afternoon is on tap with comfortable conditions and plenty of sunshine. A few puffy cumulus clouds will mix in this afternoon as temperatures warm into the lower 80s while dew points stay in the 50s.  The air will stay very comfortable for late July.

There may be an afternoon sprinkle or spot shower across Franklin County as an upper level disturbance spins across northern New England. 

Friday will feature more comfortable conditions.  However, the upper level energy to our north will dive down across eastern New England and could trigger a few scattered afternoon showers and storms here in western Massachusetts.  Franklin County and eastern Hampshire County have the highest chance of seeing a brief downpour and even some pea-sized hail mixed in. 

The upper level system represents a chilly pocket of air aloft (high in the sky), so as the sun comes out, the ground heats up creating an unstable atmosphere.  This means the ground temperature compared to the temperature aloft is significant.

This temperature difference causes the air to rise, cool and condense, helping to create these showers and storm and since the air is chilly high in the sky, the freezing point is low, so any hail stones that form have a decent chance of reaching the ground before they melt.

We're not expecting any severe storms tomorrow and they should only be isolated to scattered in nature, but nevertheless, be mindful Friday afternoon between 3 p.m. to 7 p.m. 

This upper level system will move away on Saturday, so there will be no showers or thunderstorms around to start the weekend.

Saturday is still the pick of the weekend with plenty of sunshine and still relatively comfortable air expected.  Temperatures will reach into the lower 80s while dew points stay in the 50s.

A warm front will move through Saturday night, so Sunday will be more humid as dew points climb into the 60s.  Skies will be mostly cloudy on Sunday with a few showers and thundershowers develop during the day. Keep in mind, most of the day it will not be raining it will be just a bit unsettled. 

Have a great day! 

Dan Brown

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