Here's where you'll find the latest details on snow-related alerts, emergency declarations and closures/openings. This page will be updated.

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4:03 p.m.: Our snow is already tapering off, while other cities on the East Coast are staring down blizzard warnings. Safe travels to anyone still trying to make it back to D.C. today.

10:45 a.m.: The National Weather Service has canceled its Winter Weather Warning for the D.C. area and downgraded us to an "advisory." Current predictions are calling for less than 3 inches of accumulation.

Travel: All three airports serving the D.C. metro area remained open Sunday morning, but individual flight cancellations are starting to roll in. Click here to see if your flight is on the list.

Many flights originating elsewhere have already been canceled. Travelers should check with their airlines before heading to the airport. Find telephone numbers for all airlines serving Reagan National, Dulles International, and BWI.

Megabus has canceled all service in and out of its Washington, New York and Philadelphia hubs.

TBD's Daniel Victor, stranded in Pittsburgh, got word of the Megabus cancellation by email.

Megabus asks passengers to call 1-877-GO2-MEGA to reschedule their reservations or requests refunds. TBD gets a busy signal at the number. On Twitter, @MocusReece of "Silver Sprung" complained:

@AlexisKBerger tweeted from Washington's Union Station:

Greyhound has canceled a number of routes in and out of Virginia and North Carolina. Check here for their most up-to-date cancellation list.

BoltBus has canceled all trips for Monday, Dec. 27, but is still running on Sunday for the time being.

Transit: Update 11:45 a.m.: CaBi reopened at 11 a.m.

Capital Bikeshare rentals were temporarily suspended due to the forecasted snow. The system will re-open when conditions are safe for operation, according to a Twitter announcement.

D.C.: There is currently no snow emergency in effect in the District -- there won't likely be one unless we end up with 6 inches or more, according to @DDOTDC. Taxis should still be charging regular fares.

Mayor Adrian Fenty held a press conference at 9 a.m. to announce the deployment of the city's snow removal crews. On Thursday, D.C. Department of Public Works director William Howland said the District was prepared "for a full deployment of about 160 trucks on their routes by 10 a.m. Sunday."

Maryland: Gov. Martin O'Malley declared a state of emergency on Saturday "out of an abundance of caution." O'Malley asked residents to avoid driving if at all possible. "If drivers stay off the roads it will help the dedicated state and local highway crews clear the roads in a safe and efficient manner," he said in a statement.

Virginia: Gov. Bob McDonnell declared a state of emergency on Saturday "as a precaution." Much like in Maryland, the designation allows state agencies to work directly with local jurisdictions to prepare for and respond to Sunday's storm. It also means National Guard troops may be deployed to assist first responders.

Snow removal: All the links and phone numbers you need to track snow removal efforts in your area can be found here.