8.11.13 Keep an Eye on the Tropics

8.11.13 Keep an Eye on the Tropics

The east coast should keep an eye on the tropics for the next couple weeks.
Our weather will remain fairly quiet this week, aside from a few showers and storms late Monday and Tuesday. And there really aren't any stormy signals looking at the long range patterns. However, one thing does jump out at me.

The map attached comes from the GFS, an American weather model, and focuses on the week of August 18. We're looking at the 500 mb level (essentially 18,000 feet up), which can be used to help determine what types of features are driving the weather impacting us at the surface.

The big thing to notice is the ridge, or high, located off the east coast. I've marked it with a blue "H". This is often called a "Bermuda high", since it's centered near the island. Remember that winds blow clockwise around areas of high pressure in the Northern Hemisphere, which in the case would drag tropical weather right towards us. And even though there are no imminent tropical storms or hurricanes, this set-up bears watching since we're now getting into the climatologically active part of hurricane season.

Many New England hurricanes have arrived on patterns similar to this, at this time of year. So again, no need to be alarmed, just something to keep an eye on.
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