A line of severe thunderstorms will march eastward across Pennsylvania later today, threatening to trigger damage and delays into Tuesday night.
A watch means that the conditions are right for the storms to develop not that one has been spotted.
Stay weather aware this afternoon!
As always, your necn Early Warning Weather Team will continue to provide radar analysis, street-level forecasts, critical information to save life and property, and suggested actions through our continuing coverage.
We are tracking a strong cold front diving into the region on Tuesday. Still, some rumbles of thunder and a few downpours are possible.
A couple of tornadoes are possible and wind gusts up to 70 miles per hour could bring widespread damage, the local weather service said.
"Severe thunderstorms with damaging winds, and possibly a couple of tornadoes, are expected this afternoon from the upper Ohio Valley to Pennsylvania and NY", the SPC wrote in its Tuesday outlook.
Storms like this usually weaken after dark, but may still be strong as they move into southern New England overnight.