WEATHER BLOG: Damp Friday

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Tim Williams 370x278

An upper-level trough will swing through the region over the next couple of days, and as such we can expect a rather unsettled conclusion to the work week.

A warm front will gradually lift northward Friday, bringing an increase in temperatures and moisture to the Mid-Atlantic region as winds shift to the southeast, and eventually south.

Showers will persist through the morning hours with thunderstorms developing in the warm sector during the afternoon as a cold front approaches from the west. Given the frontal forcing, upper-level trough, and sufficient moisture (precipitable water values around 2.0 inches!), some thunderstorms could produce torrential rainfall perhaps leading to flooding, particularly in poor drainage areas.

Severe weather is expected to be minimal, however, as instability will be meager at best. The front will sweep through Friday night with high pressure gradually building in for Saturday.

A lingering shower may be had early on, but skies will clear out nicely for the afternoon with sunshine returning to prominence and decreasing humidity (and gusty winds to help dry things out).

Sunday looks great with high pressure firmly in control.

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