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April 17, 2008

Second-warmest March globally, cool in US

The National Oceanic and Atmospheric Administration says March 2007 was the second-warmest on record globally, but cooler than the long-term average for the contiguous 48 states. In fact, the Western snowpack is the healthiest  in more than a decade, thanks to heavy snowfall in December, January and February.

Here's the full report.

And here are some highlights:

* Temperatures in the lower 48 states averaged 42 degrees in March, almost a half-degree lower than the average for the past 113 years.

* Alaska had its 17th-warmest March, 3.8 degrees above the mean from 1971-2000.

* Globally, land and surface water temperatures averaged 1.28 degrees above the 20th century mean, making it the second-warmest March globally. The average was pushed higher by much-warmer-than-normal temperatures in Eurasia.

* While the Western snowpack fared well in March, snow cover across the Northern Hemisphere was the fourth-lowest on record, consistent with the pattern of the past two decades, in which warming temperatures reduced the northern snow cover.

Extreme events during March included a rare downtown tornado in Atlanta, heavy rains in Missouri, widespread flooding from the Ozarks to Indiana, heavy snows in Kentucky and Ohio.

Here's a NOAA map of some other extreme March events around the world:


Posted by Frank Roylance at 3:20 PM | | Comments (0)
Categories: By the numbers

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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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