Want to see the scale of the snowstorm as it swirls through Massachusetts? The National Weather Service has a weather radar you can monitor. A blizzard warning was issued for parts of eastern and southeastern Massachusetts, as well as the entirety of Rhode Island, as a nor'easter swept across the region on Monday, Feb. 23.

With parts of eastern Pennsylvania and all of New Jersey under a blizzard warning, you may wonder what exactly does that mean?

On February 9, 1870, the creation of America's first national weather service transformed public safety by enabling timely storm warnings.

The National Weather Service has issued a Winter Storm Watch for nearly all of New Jersey as forecasters warn of a powerful system expected

At 8:55 p.m. on Monday, the National Weather Service released a winter weather advisory in effect until Tuesday at 10 a.m. for Upper Hood River Valley.

At 11:53 p.m. on Monday, the National Weather Service issued a cold weather advisory valid for Tuesday between 3 a.m. and 9 a.m. The advisory is for Pinellas, Pasco, Hillsborough, Manatee, Sarasota, Charlotte and Lee counties.

The National Weather Service has issued a cold weather advisory and freeze warning for parts of the Treasure Coast, Palm Beach County and Okeechobee County, with temperatures expected to drop significantly overnight.

On Sunday at 4:36 p.m. a special weather statement was issued by the National Weather Service until 8 p.m. for Hudson, Bergen, Essex and Union counties.