NEW YORK — Spring kicked off with a wallop of wintry weather along the East Coast as the fourth nor’easter in three weeks rolled in with the potential for a foot of snow Wednesday.

The first full day of the season included scenes of snow falling on blooming daffodils in suburban Philadelphia, New Yorkers twisting to fix blown-out umbrellas, tractor-trailers stuck on snowy highways and kids making their first snowman of spring.

“I want warm! I’m done with the cold,” said Yana Damoiseau, a pedestrian in New York City.

Airlines canceled more than 4,000 flights, an estimated 15,000 customers lost power from West Virginia northward, and school districts throughout the Northeast called off classes ahead of the storm. At least two traffic deaths were reported in New Jersey and on New York’s Long Island.

Up to 8 inches of snow had fallen in some Philadelphia suburbs by midafternoon, and 13 inches outside Allentown, Pennsylvania. New York had at least 5 inches ahead of the evening commute and braced for a total of 6 to 12. Forecasters said Boston could get 6 inches as the storm moved into New England.