BOSTON SNOWSTORM

BostonsnowBOSTON prepares for a giant winter snowstorm. With a blizzard on the way, public transportation is curtailed and schools are closed.

In preparation for what many fear may be a blizzard of historic proportions, state officials announced that MBTA, bus, and commuter rail service will halt midafternoon Friday, and they warned motorists to stay off the roads.

Governor Deval Patrick had one ­message for residents: Stay inside. “Accumulation is expected to be swift, heavy, and dangerous,” Patrick said.

Nonessential state employees have been asked to work from home Friday, and Patrick urged private companies to do the same.

The predicted 2 to 3 feet of snow will be lashed by winds gusting up to 65 miles per hour into drifts as deep as 5 feet, the National Weather Service said Thursday.

The Weather Service warned that the storm would pose a threat to people’s lives and property and that conditions would deteriorate quickly as the storm develops Friday. Travel will become nearly impossible by the Friday evening commute into Saturday. (Globe Newspaper Co.)