Wednesday 8 a.m.
A high pressure area drifting east from the Great Lakes is providing the entire Northeast a stunningly bright and sunny late August day. The humidity will be moderate. In sharp contrast, Isaac is continuing its painfully slow sojourn along the Gulf Coast. The storm is weaker than Katrina, but it is moving much more slowly. This means the teeming torrents of rain, the hurricane-force wind gusts and the flooding (from various causes) are dragged out over a long period of time. As of 8 a.m. EDT, nearly a half million people in and around New Orleans were without power. This video shows more, and includes a discussion about where Isaac's moisture will eventually go. Until we see otherwise, we should assume that Isaac will continue to cause heavy rain long after its winds drop below tropical storm stage levels.
This picture taken around 7 a.m. EDT is a spectacular display of Isaac. Until we see otherwise, we should assume that Isaac will continue to cause heavy rain long after its winds drop below tropical storm strength.
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No promise it lasts
The storm will not get organized until later Tuesday.
This storm is a little colder than the other two, so snow has dominated all the way to the coast