Jun 15, 2015 11:10 PM
NH1 Chief Meteorologist
Cool east winds with a high off the coast locked in low level cold Monday with rain and drizzle and temperatures in the 50's running about 20 degrees below the norm. A stalled front off the south coast separating the cool air in place across New England from hot and humid air in the 80's and 90's which lies to our south and west. Scattered showers and storms are riding along this boundary and will be directed into New England Tuesday.
Pockets of drizzle and fog could start off Tuesday morning...especially at the coast. A weak low off the Cape will drift and weaken into the Gulf of Maine by the afternoon. This will keep the cool, moist onshore wind in place during the morning. Winds will shift to the west with an approaching cold front for the afternoon. With a land breeze, some of the warm air to our west will be able to sneak into SNH by the afternoon. A warmer west wind will allow temps to climb back into the Lwr-mid 70's. Any breaks of sun could help to destabilize the atmosphere and help make for stronger afternoon storms. A cold front will push into NH during the afternoon triggering scattered showers and Thunderstorms, with best chance of during the mid-late afternoon hours. While the severe potential will be limited because of clouds, any thunderstorms will contain heavy downpours, and maybe some gusty wind.
The cold front will kick off the coast with building high pressure and very pleasant weather for the midweek with sunshine, 70's and seabreezes at the coast.
We will also be watching the Gulf states very closely this week. Tropical Storm Bill has formed in the Gulf and will be pushing inland across the state of Texas. This will bring heavy tropical rains exactly to the areas which had historic amounts of rainfall in May upto 20-25" of rain in one month! This tropical storm will bring an additional 6-10+" of rain across eastern OK and TX in the next few days. This will lead to another road of major flooding for these areas that definitely do not need any more rain.
The end of the week looks great for weather here in the Northeast with sunny skies for Friday and Saturday in the 70's near 80. We will have to track the moisture from Bill and see if this arrives in time to ride up into a cold front which will be crossing New England on Sunday (Father's Day). The timing will be close. The added moisture could mean heavier downpours with the potential for severe weather, but it is still very far away and the models are trying to figure out how to process the added moisture into the equation as we speak. We will keep you up to date with any new infomation as we get closer.
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