Massive storm builds by the hour

As the heavy snow buries the region, about 400,000 have lost power in Massachusetts, and some towns have asked residents in coastal areas to evacuate.

Blair Holbrook skied down Cambridge Street on Friday.

Matthew J. Lee/Globe Staff

Blair Holbrook skied down Cambridge Street on Friday.

Snow was cleared in front of the Boston Public Library.

Mario Tama/Getty Images

Snow was cleared in front of the Boston Public Library.

Louie Rodriguez of the New Bedford Forestry Department cut a fallen tree.

Peter Pereira/Standard Times/AP

Louie Rodriguez of the New Bedford Forestry Department cut a fallen tree.

A guest at the Seaport Hotel crossed the street against the wind and snow.

Gene J. Puskar/AP Photo

A guest at the Seaport Hotel crossed the street against the wind and snow.

A father played with his child on Boston Common.

Mark Edelson/AP

A father played with his child on Boston Common.

Snow pelted pedestrians.

Mario Tama/Getty Images

Snow pelted pedestrians.

Two people crossed the street in near whiteout conditions.

Matthew J. Lee/Globe Staff

Two people crossed the street in near whiteout conditions.

A pedestrian made his way through driving snow with a broken umbrella in the Back Bay.

Mario Tama/Getty Images

A pedestrian made his way through driving snow with a broken umbrella in the Back Bay.

A man took a photo of the storm on Quincy Shore Drive.

Stan Grossfeld/Globe Staff

A man took a photo of the storm on Quincy Shore Drive.

A man was stranded in the International Terminal E at Logan Airport.

Matthew J. Lee/Globe Staff

A man was stranded in the International Terminal E at Logan Airport.

People ran in Copley Square.

John Tlumacki/Globe Staff

People ran in Copley Square.

The Commonwealth Avenue Mall was covered in snow.

Charles Krupa/ AP

The Commonwealth Avenue Mall was covered in snow.

Post Office Square was eerily quiet

John Tlumacki/Globe staff

Post Office Square was eerily quiet

A man walked along Washington Street in Newburyport.

Aram Boghosian for The Boston Globe

A man walked along Washington Street in Newburyport.

The Mass. Pike, normally a bane of commuters on Friday afternoons, was almost completely empty.

David L. Ryan / Globe Staff

The Mass. Pike, normally a bane of commuters on Friday afternoons, was almost completely empty.

Governor Patrick announced a state of emergency and vehicle ban for the state.

Suzanne Kreiter / Globe Staff

Governor Patrick announced a state of emergency and vehicle ban for the state.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/09/BostonGlobe.com/Metro/Images/photoBoats--90x90.jpg Two storms converged at ‘perfect’ spot

The fierce nor’easter that began walloping New England on Friday was the product of two storms that merged, causing a “meteorological bomb.”

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//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/09/BostonGlobe.com/Metro/Images/shoveling3333-3711--90x90.jpg Tips on digging out from the snow

Here’s how to approach the daunting task of shoveling a few feet of accumulated snow.

Interactive map

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/08/BostonGlobe.com/Metro/Images/90x90-storm.jpg Check the snowfall totals

This map shows the snowfall totals from the storm hitting the Northeast.

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//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/08/BostonGlobe.com/Metro/Images/wind90x90.gif Graphic: Wind speed in your town

This graphic tracks the projected wind speed for Massachusetts towns during the snowstorm.

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//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/07/BostonGlobe.com/Metro/Images/snowmap585--90x90.jpg Snowstorm reports

The latest coverage from Globe reporters and the social media world.

A lone pedestrian made his way across Congress Street in Post Office Square at 6 p.m. on Friday.

Warnings heard, a hush falls over Boston during storm

As the icy bite of the nor’easter took hold, the revelers fled, leaving a vacant tundra of empty squares and abandoned thoroughfares.

Globe Insiders

From the Archives | Photo Gallery

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/02/06/BostonGlobe.com/Special/Images/1940storm006-940[1].jpg The 1940 Valentine’s Day Blizzard

The Boston area was surprised by the Valentine’s Day Blizzard of 1940, which left cars and people stranded overnight, and 31 New Englanders dead.

Arts

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Opera Review

Neal Ferreira, David McFerrin, Samuel Levine, Christine Abraham, and David Kravitz in “Clemency.’’

BLO’s Opera Annex premieres MacMillan’s ‘Clemency’

The progressive flank of the Boston Lyric Opera resumed its march on Wednesday night, as the company unveiled the fourth production in its Opera Annex series.