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October 30, 2009

No surprise here: Reservoirs are full

This just in: Baltimore's reservoir system is full to the brim!

Actually, all three reservoirs - Prettyboy, Liberty and Loch Raven - runneth over in the wake of surplus rainfall in the region for five of the last seven months. Here's the straight dope, right from the Department of Public Works:Loch Raven Reservoir

Liberty: Crest elevation: 420 feet above mean sea level. Current elevation: 420.31 feet. Capacity - 36.8 billion gallons. Available: 36.8 billion gallons

Prettyboy: Crest elevation: 520 feet. Current elevation: 520.34 feet. Capacity - 17.85 billion gallons. Available: 17.85 billion gallons.

Loch Raven: Crest elevation: 240 feet. Current elevation: 240.94 feet. Capacity: 21.2 billion gallons. Available: 21.2 billion gallons.

Total system: Capacity: 75.85 billion gallons. Available: 75.85 billion gallons.

The airport has recorded 6.21 inches of rain so far in October, almost double the long-term average of 3.16 inches. It's tied for the 13th-wettest October since record-keeping began in 1871. And it's the fifth-wettest October for Baltimore since the station of record moved to Friendship Airport (now BWI-Marshall) in 1950.

And there's a good chance, with more rain Saturday, that October 2009 could leap even higher on the chart. Another inch would make it the fifth-wettest October here since 1871. Here are the rankings for Octobers since 1950:

2005: 9.23 inches

1976: 8.09 inches

1971:  6.88 inches

1995:  6.24 inches

2009: 6.21 inches

(SUN PHOTO/Linda Coan/Loch Raven Reservoir, full, August 1999).

Posted by Frank Roylance at 3:05 PM | | Comments (1)
Categories: By the numbers
        

Comments

Frank, I think the question needs to be asked: Will it ever stop raining??? Today was the day when it was supposed to clear out, and instead it looks like another total washout. I think all the so-called experts spreading fear about global warming need to come live hear for a while. I'm more worried about global cooling and wetting. Thanks.

FR: The clouds and drizzle are taking their sweet time moving out, but things should start to brighten up shortly. And forecasters still expect sunshine tomorrow, and most of the week looks cool, but sunny. And BTW, none of this has anything to do with global warming. But, if it persists, it might portend a cool, wet winter.

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About Frank Roylance
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.

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