Elliot Abrams

The Heat is On

By Elliot Abrams, AccuWeather chief meteorologist
7/23/2010, 4:55:20 AM

Friday 9:25 a.m.

Since the middle of the month, Philadelphia and New York City have only had one day when temperatures failed to reach 90 degrees. In Buffalo, the temperature has reached or exceeded 80 degrees every day since the Fourth of July. In Chicago, there have been 11 days of temperatures of 90 or higher so far this month; last year, it didn't reach 90 at all in July. Last year, an El Nino was ongoing in the Pacific; now it's a La Nina. Excessive heat and humidity will surge into the Middle Atlantic region as we start the weekend. That's not to say it hasn't been hot of late, but it hasn't gotten to 100 in Philadelphia since July 7... and it could reach that level tomorrow.

At the northern rim of the heat, a band of clouds and thunderstorms caused flooding as thunderstorm repeatedly moved over the same places. Parts of Milwaukee were under water this morning in the wake of the record-drowning 6 inches of rain that fell yesterday. The dividing line between warmth to the north and heat to the south will shift northward into southern New England tomorrow then move back southward on Sunday night. By Monday morning, the latest heat wave will be history from Chicago to New York City and Philadelphia. The video has more:

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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