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Miguel Pierre

Northeast US Weekly Planner: Humidity & Storms Return This Week

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Good morning! Have you noticed the cooler and drier air in place? Great! Are you enjoying it? Even better! Because it won’t be around for long.

The first several days of August, in particular, look to bring a sharp return to mid-summer conditions in the Northeast, with increasingly prevalent moisture and humidity. Temperatures will warm gradually as well, with a tropical-like feel to the airmass that looks likely to continue into the middle of August at minimum.

High pressure is weakening and sliding offshore from the Northeast states today. Sunshine and lower humidity is expected to persist through the afternoon, as drier air remains stout. Gradually, however, a southerly flow is expected to return. This will aid in an increase in humidity and clouds as the afternoon goes on, with high temperatures in the Northeast averaging in the lower to middle 80’s.

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Miguel Pierre

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

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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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