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February 25, 2010

Winds may gust to 50, 60 mph

We may have dodged the snow that is falling today just to our northeast. But it does not look like we will dodge the high winds being generated by the same powerful storm.

UPDATE: 9 p.m.: Light snow and blustery winds on the WeatherDeck in Cockeysville. And cold - 31 degrees.

The National Weather Service has posted High Wind Watches through Friday afternoon across Maryland west of the Chesapeake. They say we can expect sustained winds of 25 to 35 mph, gusting as high as 60 mph overnight tonight into Friday. They say:

"WINDS THIS STRONG WILL CAUSE DANGEROUS TRAVEL CONDITIONS...AND
MAY KNOCK DOWN TREES AND POWER LINES.

Snow cuts power in Peterborough, NH"PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF 58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS"

UPDATE: BGE officials said they are preparing to respond to widespread power outages. But customers who find themselves in the dark may have to wait longer than they would like to have their power restored:

"We do not expect the impact of this storm to be as severe as what we experienced during this month's back-to-back blizzards. However, customers are reminded that when the wind exceeds 25 mph, it is usually unsafe to use bucket trucks so restoration work requiring those vehicles could be delayed until conditions improve."

The winds are the consequence of the deepening low pressure to our east, and later northeast, as this new coastal storm intensifies and pounds New England (AP photo, left) and New York with heavy snow, heavy rain, high winds, battering seas and coastal flooding. Check out this forecast for Boston, with stormy weather right through the weekend.

Philadelphia is getting snow this morning, too, with forecasts of 8 to 15 inches by Friday. A slight shift in the storm's path might have visited that snow on Central Maryland.

UPDATE  1 p.m.: The NWS has replaced Winter Storm Watches with Winter Weather Advisories for Carroll, Baltimore, Harford and (now) Anne Arundel Counties, plus the city. They call for 1 to 2 inches of accumulating snow late today, and 1 to 2 more overnight as we feel the backlash from this storm. That will mean lots of snow blowing around in the high winds. Wind speeds are picking up this afternoon, the barometer is falling, and temperatures may have topped out. Be careful out there tonight.

UPDATED UPDATE 4 p.m.: The Winter Weather Advisories now call for just 1 to 3 inches of snow tonight across the region as temperatures drop into the 20s.

Cecil County, meanwhile, along with much of the Eastern Shore, remains under a Winter Storm Warning, with 4 to 8 inches due in Cecil, and Dover, Del., but lesser amounts farther south on the Delmarva peninsula.

UPDATE 4 p.m.: The Warning for Cecil now calls for 6 to 12 inches there. Forecasters told us days ago there would be a sharp snow gradient somewhere in the region. I guess this suggests where it is. A little hard to grasp as we sit here in Baltimore amid afternoon sunshine and 40-degree temperatures.

The forecast discussion from Sterling provides a pretty thorough primer on what's going on.

Eric the Red shared this observation with me this morning as the predicted morning snowfall here proved a no-show:

"It was one of those storms that you just couldn't ignore and hope it didn't happen. I am a firm believer ... that is is much worse to keep quiet and have something happen, than to tell of a storm and have it miss. It really is a safety issue as much as anything."

Amen.

Posted by Frank Roylance at 11:08 AM | | Comments (4)
Categories: Forecasts
        

Comments

It seems like the first three months of the year have four kinds of weather on any given day: perfectly sunny, but cold and breezy, gray soupy sky with no wind but still cold, SNOW!, or wind tunnel. It's rare that you get a sunny day with no wind in the winter, it seems.

At any rate, thank goodness the snow stayed away this time around. I'm with Eric the Red that a large part of forecast calls are about public safety more than anything else. I'd rather be prepared for the worst and get something slightly less than that than the other way around.

I'm confused. Both the NWS and the Baltimore Sun still say that accumulating snow is in our forecast. Have we just dodged the first go-round, but are still going to experience some snow this afternoon into tonight and Friday?

FR: That's about the size of it. But forecasters don't expect this next round tonight to produce much if any accumulation. Only the extreme northern and eastern counties are under a Winter Weather Advisory (1-2 inches) - Carroll, Baltimore, Arundel and Harford.

Hi Frank,

This is one freaky storm. The storm tonight will be moving southwest from Long Island toward us. We will have strong west winds. All the moisture with the storm is wrapped to our north and east and will be rotating through here from the northwest.

This is the exact opposite of how a coastal "noreaster" usually affects us. This storm is like something out of bizzaro world. This winter just keeps getting stranger.

It will be interesting to see how much of that precipitable moisture survives the "downsloping effect" or the drying of the atmosphere as it comes down a mountain and is compressed causing it warm and hold more water vapor.

It is hard to remember a significant snow coming on West-NW winds. But then I never have seen a wound up storm like this throw precip at us from the northwest.

It will be interesting to see what happens, but more important is I hope no one gets hurt or that there are not widespreads power outages,

Those winds with a saturated ground are bad news for trees which in turn is bad news for power lines etc.etc

Yikes! Could you imagine being up in a bucket with the boom extended to 60' with winds like that? Definitely not safe!!

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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. 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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