Stormy Afternoon?

The ingredients have come together for some thunderstorm activity in the region this afternoon.

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The National Weather Service surface weather map for the noon hour shows an approaching cold front moving into the mountains from the Great Lakes and a “trough” to the lee of the mountains just west of metro Baltimore and Washington. These two boundaries plus possible small scale boundaries around the Bay and left over from last night’s storms will provide likely trigger points for storm activity.

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The early afternoon satellite image shows storms forming along apparent boundaries inland from the lower Chesapeake Bay. A line of storms is developing along a line extending from southern Pennsylvania to northern West Virginia. A Watch for severe storms was issued for much of central Pennsylvania in the early afternoon and additional watches and warnings are possible. Heavy downpours, hail, intense lightening and damaging winds are all likely in the region through the evening hours.

John Collins

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