Quiet Weekend … Weatherwise

It looks like the weather will be uneventful for the Labor Day weekend in the Mid Atlantic region.

20090905.1200.composite.SeaLevelPress_model_overlays_eatl_atlantic.x

The Saturday morning composite satellite image includes surface pressure isobars. A large “Bermuda High” pressure ridge over the Atlantic extends from the coast of France to the western Atlantic. Another high pressure ridge extends from eastern Canada south and southwestward to the eastern and central U.S. Wedged between these two ridges is an area of unsettled weather along the Mid Atlantic and southeast coast of the U.S. For Maryland this weekend, the high pressure wins out and holds any rain at bay. Some cloudiness may sneak into the picture by late Sunday or Monday.

The Canadian high pressure ridge is expected to give way to more unsettled conditions over the eastern U.S. by the end of the coming week.

A couple of tropical waves are moving westward along the southern edge of the Bermuda High. This is a very typical setup in the second half of the hurricane season. These two waves are being monitored for further development.

The remnant of Erika remains over Puerto Rico. This area of unsettled weather is expected to move toward the east coast of the U.S. by the end of the week.

Enjoy the holiday.

John Collins

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