Uh, so the "significant, potentially major, snowstorm" that we mentioned on Friday? Now New York City, along with Long Island, southern Westchester, metro New Jersey and southern Connecticut, are under a Blizzard Watch—and the National Weather Service says that 12 to 18 inches of snow may arrive!

Carrie Buccola, a meteorologist at the NWS's Upton location, told Newsday, "It looks like this could have the most snow we’ve had all season."

The timing of the blizzard, according to the NWS, will occur "late Monday through Tuesday evening," making travel "dangerous" and there's a "potential for power outages." The temperates will be in the upper 20s, and winds will be from the Northeast, at 15-25 mph, with gusts up to 40 mph. Visibility may be only a quarter of a mile or less. Also expected: Parents desperately scrambling to figure out if there's going to be a snow day.

The NWS winter weather message adds, "A Blizzard Watch means there is a potential for falling and/or blowing snow with strong winds and extremely poor visibilities. This can lead to whiteout conditions and make travel very dangerous.

Accuweather meteorologist Rob Miller told the Post, "It’s a big storm coming up the coast. And they produce a lot of snow."

The exact path of the “classic Nor’easter” will determine how much snow falls in the city, Miller said. A move to the west as the storm travels up the coast could warm the air and turn some of the precipitation to rain. A shift to the east could push the worst of the snow out to sea.

But the computer models used for forecasts point to the city and the surrounding suburbs taking a major wallop, Miller explained. “In the past 24 hours, computer guidance has been remarkably consistent,” he said.

You know what it's time for: