Wednesday, August 5, 2015

Flood watch into Thursday

Up to 5 inches of rain possible by Thursday morning, weather service says.

Flood watch into Thursday

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The Schuylkill River is above its banks at Flat Rock Road Park in Lower Merion in 2011. ( SHARON GEKOSKI-KIMMEL /  Staff Photographer, file )
The Schuylkill River is above its banks at Flat Rock Road Park in Lower Merion in 2011. ( SHARON GEKOSKI-KIMMEL / Staff Photographer, file )

Despite Friday’s rains, precipitation for the month remains well below normal throughout the region, better than one-third below in Philadelphia and Camden County, where rainfall has been well under 2.5 inches.

But hold your hoses: By Thursday morning, the dawn of May, this has a chance of becoming one of the wetter Aprils in the period of record.

The National Weather Service has posted a flood watch for Philadelphia, adjacent South Jersey and all of southeastern Pennsylvania from Tuesday night into Friday morning.

The weather service says 3 to 5 inches of rain is possible, with widespread stream flooding likely, and perhaps even river flooding.

Showers are expected overnight and tomorrow, with the heaviest rain falling Wednesday into Wednesday night.

The flood watch laps into Thursday morning to take into account the various river stream crests.

The major question to resolve is precisely where the heaviest axis of rain will set up. The latest guidance suggests the area from the I-95 corridor westward.

Inquirer Weather Columnist
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About this blog

Everyone talks about the weather, and here we write about it.

When we’re around and conditions warrant, we’ll keep you updated about what’s coming, but we will do our best always to discuss weather and climate developments in context and remind you that nothing in the atmosphere happens in a vacuum.

Tony Wood has been writing about the atmosphere for The Inquirer for 26 years.

Reach Tony at twood@phillynews.com.

Tony Wood Inquirer Weather Columnist
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