Tuesday, July 15, 2008

Getting Hotter but Not Very Humid

High pressure at the surface continues to build in across the mid-Atlantic providing sun and warm temperatures. Flow around high pressure is clockwise so as long as we are on the front side of the high, we will experience Northerly winds. It will still be hot but these winds keeps us from getting extremely hot. Winds on Wednesday will be from the Northeast flowing off the ocean.

A ridge of high pressure in the upper atmosphere will develop, and high pressure at the surface will shift offshore Friday into the weekend. This will allow warmer air to build in the atmosphere and the surface high will prove Southerly winds since we will be on the backside of it. These Southerly winds will transport warmer air from the deep South along with increased humidity. Expect highs in the upper 80s and fairly comfortable for Wednesday and Thursday, and then 90s Friday into the weekend with more humid conditions.

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