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Severe T-Storm Threat Today, Unsettled Weather This Weekend

Good afternoon! After a some beautiful weather early this week, a more active pattern with some unsettled weather is coming for over the next several days or so. In fact, a much wetter pattern may be developing for the weekend and early next week. We will discuss more details, on this may happen below.

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Hot & Humid, with Severe T-Storms for Parts of the Northeast Today

Good morning! Happy Tuesday! Today will be hot and humid for much of the Northeast, as a Bermuda-type high pressure sets up off over the Atlantic. Some areas of patchy fog will burn off early this morning. Then partly to mostly sunny skies with southwest winds are expected for the rest of the day. Temperatures will rise in the upper 80s to middle 90s this afternoon. Temperatures will be little cooler with sea-breezes closer to the shores. High humidity with some dewpoints in the low to mid 70s, will support heat index values in the upper 90s to lower 100s. Particularly over I-95 corridor between New York City and Philadelphia, where heat advisories are in affect for today.

But this oppressive heat and humidity will be short-lived as a strong cold front and upper-level trough will be approaching from the Great Lakes today. Moderate to strong instability will be building with more daytime heating and more tropical moisture streaming northward. This could support some isolated showers and thunderstorm to develop anywhere and anytime during the today. However, more widespread showers and strong-severe thunderstorms are likely over Interior parts of New York and Pennsylvania this afternoon, as more dynamics with the cold front moves into those parts of the Northeast initially.

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Premium: Severe Weather Threat for the Interior Northeast Friday into Saturday

Today will be another very warm and humid summery day for the Northeast with more widely scattered showers and thunderstorms popping up this afternoon and evening. Due to the stronger mid-level ridging, very weak wind fields and less instability with warmer mid-level temperatures, these storms will likely be less intense and fewer and father in between than on Wednesday. But will still be very slow-moving and capable of producing some heavy rainfall and flash flooding in some spots.

However, a shortwave energy embedded in a larger upper-level trough will be amplifying over the Great Lakes Friday and Saturday. This will cause low pressure to deepen and track northeast through the Great Lakes into Southeast Canada on Friday and Saturday. As it does so, it will drag a frontal boundary will be moving be slowly through the region, as ridging from the Western Atlantic gradually breaks down. Large scale ascent and lowering heights will support more numerous showers and thunderstorms over the Interior Northeast again.

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Public Analysis: Hot Again Today, Then Unsettled with T-Storms Possible Tonight thru Monday

Good morning and happy Saturday! After a few weeks of more pleasant, warm weather, we finally got a reminder that it’s still mid-July late this week. We had three consecutive day of 90°+ temperatures in many of the climate reporting sites around the region, such as Central Park, NY and Newark, NJ. Which officially makes these last few days of hot and humid weather a heat wave. Some locations will add 4th day to the heat wave today, before more unsettled and cooler weather arrives tonight and Sunday.

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