Tuesday 9 a.m.
This morning's video describes where areas of thunderstorms were early this morning, then proceeds to a discussion of where and when showers or thunderstorms might be expected in parts of the Northeast during the next few days.
Some severe thunderstorms can break out today into tonight in parts of the Great Lakes and Ohio Valley regions as shown on the map.
Tonight, the thunderstorms may continue across the West Virginia mountains to reach the D.C. area and parts of Virginia.
that short wave is what the models latch onto in bringing a cold front through the Northeast Wednesday night and Thursday. This would bring noticeable cooling to the Northeast late in the week.
Labor Day is a week from Monday. The computer model used here, the GFS ensemble mean, suggests the weather will favor outdoor late summer activities across the Great Lakes and Northeast:
In response to heating at ground level and a weak cold front approaching from the west, showers and locally strong thunderstorms should develop across northern Ohio this afternoon.
... much greater interest is being generated on threats and rumors about tropical storms. It is worthwhile to read Dan Kottlowski's authoritative reports on this. Here is a copy of his map from this morning:
The tropical Atlantic shows signs of life in the storm development department. Dan Kottlowski's expert discussion suggests the third storm (which could be Hermine) of current concern is one that could head to the Bahamas, Florida, the Gulf or ???
A large high pressure area centered just south of Chicago will furnish a northwesterly of pleasantly cool and dry air to the eastern Great Lakes and all of the Northeast today into Tuesday.