Thunderstorms Accompany Northeast Cold Front

Monday 10:30 AM

This video discusses the weather pattern affecting the Northeast and Great Lakes this week. A cold front moving into the eastern Great Lakes will trigger thunderstorms and showers as it continues eastward and slowly weakens. A high pressure area behind the front will usher drier air into the region tomorrow and Wednesday. Hotter air is getting ready to move out across the northern Plains and then will affect the Great Lakes and Northeast. Chicago had 90-plus heat Thursday through Saturday, but the new round of hot air could be stronger and last longer.

The role of Isaac in the Great Lakes and Northeast is yet unknown. Once the storm moves inland and no longer has strong winds, it will continue as a tropical rainstorm (a named storm from the tropics that can cause major flooding (like Lee last year) but no longer qualifies as a tropical cyclone on the basis of wind.

In addition to the frontal showers and thunderstorms, there has been a band of thunderstorms this morning from parts of eastern Maryland and Delaware north-northeastward into New Jersey. Here is where it was as of 10:30 AM: