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July 21, 2011

Inner Harbor hits 103 degrees; Heat Index 117

The temperature at the Maryland Science Center reached 103 degrees at 3 p.m. Thursday. It's not Baltimore's official reading; that's taken at BWI-Marshall Airport, where it was a mere 98 degrees at the same hour.

But it's a good sampling of what anyone who ventures outside in the downtown area is experiencing. And with the dew point at 75 degrees, it adds up to a Heat Index value of 117 degrees. That's how it "feels," the combined effect of heat and high humidity on the bady's ability to cool itself.

Here at Calvert and Centre streets, our instruments read 99 degrees, with a (suspect) dew point of 82 degrees. That produces a Heat Index reading of 127 degrees.

Oh, by the way, Friday's forecast calls for a high of 104 degrees downtown. With a dew point at 75 again, that would yield a Heat Index of 119 degrees.

Is anybody actually out in this stuff?

Posted by Frank Roylance at 3:10 PM | | Comments (2)
Categories: By the numbers
        

Comments

I rode my bike home in it just before 4 p.m. It was really toasty on the pavement, but it was the humidity that was hard to bear in my work clothes. At least there was a nice tall glass of cold iced tea waiting.

Why does the media have to sensationalize everything -
like it has never been hot in July before.

Why don't we come up with the age-adjusted heat index -
so for something 90 years old -
its like 150 degrees -

just print "the end of the world" every day in the newspaper and media - I guess that sells - so that is the goal, right?

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About Frank Roylance
This site is the Maryland Weather archive. The current Maryland Weather blog can be found here.
Frank Roylance is a reporter for The Baltimore Sun. He came to Baltimore from New Bedford, Mass. in 1980 to join the old Evening Sun. He moved to the morning Sun when the papers merged in 1992, and has spent most of his time since covering science, including astronomy and the weather. One of The Baltimore Sun's first online Web logs, the Weather Blog debuted in October 2004. In June 2006 Frank also began writing comments on local weather and stargazing for The Baltimore Sun's print Weather Page. Frank also answers readers’ weather queries for the newspaper and the blog. Frank Roylance retired in October 2011. Maryland Weather is now being updated by members of The Baltimore Sun staff
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