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Boston Weather: 41.0°F | A Few Clouds

Weather: All Quiet on the Tropical Front

By Michael J. Ring
STAFF METEOROLOGIST

The first half of the Atlantic hurricane season concludes this week, and it has been a quiet one to this point. There have only been three tropical storms, and not a single hurricane, in the Atlantic thus far.

The suspected culprit for the below-normal activity is the El Nino-Southern Oscillation. El Nino, which perhaps most famously brings anomalously warm waters to the eastern Pacific, has been strengthening over the past several months. Associated with El Nino is a shift in wind patterns in tropical latitudes (commonly known as the Southern Oscillation) that is not conducive to Atlantic hurricane formation. While this El Nino is not as strong as the incredible 1997 event, the change in wind patterns has contributed to dampening the hurricane season so far.

Closer to home, the forecast appears quiet as well. Sunny skies and seasonable temperatures will mark the early part of this week. A low pressure system in the Tennessee Valley will move toward us midweek, bringing us our next chance at rain Wednesday night or Thursday.

Extended Forecast

Today: Sunny and seasonably warm. High near 80°F (27°C).

Tonight: Mostly clear and mild. Low near 62°F (17°C).

Tuesday: Sunny and slightly cooler. High near 76°F (24°C).

Tuesday night: Partly cloudy. Low near 60°F (16°C).

Wednesday: Clouding up with showers likely toward the evening and overnight. High near 72°F (22°C) and low near 58°F (14°C).

Thursday: Rain likely. Cool with a high near 68°F (20°C).