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This story is no longer being updated as of 4:30 p.m. EDT Wednesday. The new live reports story can be found here.
For the fourth time this month, a major nor'easter is tracking through the Northeast, packing roads with snow and prompting officials to cancel school across the region.
Two hundred accidents were reported around Baltimore by Tuesday afternoon, and two people were killed in a crash in Pennsylvania as snow covered roadways.
"Anyone from just north of Baltimore to Philadelphia, New York City and close to Boston may easily pick up 6-12 inches of snow with the storm with locally higher amounts," said AccuWeather Senior Storm Warning Meteorologist Rich Putnam.
Coastal impacts are also possible, although this storm is likely to cause more moderate flooding and beach erosion compared to earlier storms this month.
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4:35 p.m. EDT Wednesday:
Snow and ice have made travel treacherous even for road crews. Montgomery County fire said a snow plow overturned in Silver Spring, Md. at Briggs Chaney Road and Old Columbia Pike.
4:25 p.m. EDT Wednesday:
Over 5,000 flights have been canceled across the United States today with a majority of the cancellations being at airports across the Northeast.
Some flights on Thursday at airports across the region are already beginning canceled, including at Newark Liberty International, Philadelphia International Airport, LaGuardia Airport and John F. Kennedy International Airport.
Heavy snow falling at PHL. Our snow team continues to clear runways. Airlines have canceled more than 700 flights at PHL today. Some flights are operating but travelers are encouraged to check directly with your airline for flight status updates. pic.twitter.com/RaSdE3gC9z— PHLAirport (@PHLAirport) March 21, 2018
3:50 p.m. EDT Wednesday:
New York City has received between 3 and 6 inches of snow, including more than 4.3 inches of snow in Central Park.
2:36 p.m. EDT Wednesday:
The nor'easter is causing problems for travelers, airlines and airports across the Northeast.
Airlines canceled all remaining flights for Wednesday at LaGuardia Airport. At the Baltimore-Washingotn International Airport Delta Airlines ran out of de-icing fluid, pausing all departing flights until later Wednesday night, according to Fox45.
Airlines have cancelled all remaining flights for today at #LGA due to the Nor’easter affecting the region. Please contact your carrier for more details on rebooking cancelled flights.— LaGuardia Airport (@LGAairport) March 21, 2018
JUST IN: Flights on Delta Airlines paused out of BWI, after airline runs out of de-icing fluid.https://t.co/Rjd8Qc4AxS— FOX Baltimore (@FOXBaltimore) March 21, 2018
2:12 p.m. EDT Wednesday:
Transportation companies across the Northeast have suspended service due to dangerous weather conditions. N.J. Transit bus service will be suspended at 3 p.m.
Greyhound has issued a weather alert for seven cities in the Northeast, including New York, Boston and Washington D.C.
All NJ TRANSIT bus service statewide, including to and from PABT, will be suspended at 3 p.m. due to weather conditions. Systemwide cross-honoring in effect on NJT & private carrier buses, rail, and light rail. PATH will be cross-honoring at NPS, HOB & 33rd St. pic.twitter.com/Cbc8gI0bNU— NJ TRANSIT (@NJTRANSIT) March 21, 2018
WEATHER ALERT: If your bus will be cancelled and you'd like to rebook your trip or request a refund, please call 833-233-8507.— Greyhound Bus (@GreyhoundBus) March 21, 2018
1:35 p.m. EDT Wednesday:
New York Gov. Andrew Cuomo has declared a state of emergency for New York City and surrounding counties.
I am declaring a state of emergency for New York City, and Putnam, Rockland, Westchester, Nassau and Suffolk counties.— Andrew Cuomo (@NYGovCuomo) March 21, 2018
I urge New Yorkers to plan ahead for the harsh weather conditions expected throughout the rest of the day. pic.twitter.com/kgqlQ1sqhE
12:36 p.m. EDT Wednesday:
National Weather Service spotters report that New York City has received 3-4 inches of snow. Some of the highest snowfall totals reported by spotters thus far include 13.9 inches in Greencastle, Pennsylvania, and 13.2 inches of snow in Martinsburg, West Virginia.
11:09 a.m. EDT Wednesday:
AccuWeather Meteorologists Bernie Rayno and Regina Miller are covering the mid-Atlantic snowstorm live from the AccuWeather Studios.
10:55 a.m. EDT Wednesday:
The winter storm continues to disrupt air travel, having resulted in thousands of flight delays for planes arriving at or departing from airports in the Northeast, including Kennedy Airport.
Nor’easter Update:— Kennedy Airport (@JFKairport) March 21, 2018
-618 cancellations with possibly more later today
-AirTrain #JFK service normal; shuttle buses may replace if high snowfall rate (2”-3” per hr)
-Confirm flight status with your airline & ONLY go to JFK if flight is confirmed
-Snow removal/deicing in-progress pic.twitter.com/mqqQvYQGek
According to FlightAware, Newark Liberty International Airport has had more than 800 incoming and outgoing flight cancellations.
#EWR is currently reporting 845 cancellations, nearly ¾ of its daily flight operations. Limited flight activity is expected throughout the day. Anyone planning to come to the airport should check with their airline before doing so. pic.twitter.com/wPWlGATlUf— Newark Airport (@EWRairport) March 21, 2018
Due to deteriorating conditions, New York Gov. Andrew Cuomo has announced a travel ban for tractor trailers on certain roads in the state and activated the State Emergency Operations Center.
In New Jersey, state police have responded to 27 motor vehicle crashes and 62 motorist aids since midnight on Wednesday.
8:50 a.m. EDT Wednesday:
The Maryland State Police have now responded to more than 400 vehicle crashes since 8 a.m. Tuesday. State highway crews continue to treat the roads and officials are urging motorists to remain behind them at a safe distance.
#UPDATE Between 8 a.m. March 20 and 8 a.m. March 21, @MDSP have responded to 408 vehicle crashes, 166 disabled vehicle and 1,231 overall calls for service during the storm. Follow road conditions at https://t.co/jxqlSYD4wc #MDtraffic @MDSHA— MD State Police (@MDSP) March 21, 2018
Please remain behind MDOT SHA crews as they are treating and plowing roads to provide safe, passable travel lanes. Continue to monitor https://t.co/Qe0wcay4AE for real time updates on traffic and roadway conditions. VJ #DontCrowdthePlow #WednesdayWisdom #MDOTNews pic.twitter.com/Ei6WBi9ruf— MD State Highway Adm (@MDSHA) March 21, 2018
6:05 a.m. EDT Wednesday:
While it is currently raining in Philadelphia, a transition to snow is expected to occur in the next few hours. Snow has started falling in New York City as well, where about 590 flights have been canceled at Kennedy Airport alone.
Icy precipitation is coating surfaces in southern New Jersey, northern Delaware and eastern Maryland, which will lead to slowed and hazardous traffic on untreated roads later this morning.
Several inches of wet, heavy snow are expected to accumulate in these areas through Wednesday night.
Wednesday, March 21, 6 AM — nearly 600 total flights reported cancelled today at PHL. Some flights are departing and arriving this morning. Deicing operations ongoing. Be sure to check flight status directly with your airline before coming to the airport.— PHLAirport (@PHLAirport) March 21, 2018
1:10 a.m. EDT Wednesday:
The city of Philadelphia has declared a snow emergency ahead of the incoming nor'easter beginning at 9 a.m. Wednesday. Snowfall totals in the city are expected to total 6-10 inches.
A period of heavy sleet in Concord, Virginia, lasted less than 30 minutes but created half an inch of accumulation. Accumulating sleet reportedly fell in Person County, North Carolina, while freezing rain accrued on surfaces across Baltimore County, Maryland.
10:50 p.m. EDT Tuesday:
Major airports in the New York City area are staying ahead of the storm, preemptively canceling and rerouting flights.
Anyone planning travel through the area should check with their airline and review their travel plans.
The PA’s airports, #JFK #LGA #EWR, are reporting more than 2,000 combined cancellations on Wednesday due to the nor’easter. Please check with your airline on flight status before going to the airport.— Kennedy Airport (@JFKairport) March 21, 2018
9:30 p.m. EDT Tuesday:
Classes have been canceled for all public schools in Baltimore and Washington, D.C., on Wednesday due to wintry weather and poor travel conditions.
Due to snow and icy road conditions, all Baltimore County Public Schools and Offices will be closed Wednesday, March 21, 2018. pic.twitter.com/goshoRMzi4— Baltimore County Public Schools (@BaltCoPS) March 21, 2018
Due to inclement weather conditions, DCPS schools are closed on March 21. Students and teachers do not need to report to school. However, all essential personnel must report on time. Central Office employees should continue to monitor the media for DC Government decision.— DC Public Schools (@dcpublicschools) March 20, 2018
8:40 p.m. EDT Tuesday:
A multi-vehicle crash left two dead in Horsham, Pennsylvania, on Tuesday evening, according to NBC10. Wintry precipitation was falling in the area around the time of the accident, but it is unclear the weather played a role in the accident.
8 p.m. EDT Tuesday:
A state of emergency has been declared in New Jersey in preparation for Wednesday's wintry weather.
The entire state is under a Winter Weather Warning with AccuWeather meteorologists expecting 6 to 12 inches of snow across a large swath of New Jersey.
A State of Emergency has been declared by @GovMurphy State offices will be CLOSED on Wednesday, 3/21/18, due to inclement weather conditions. Non-essential personnel should NOT report to work for their normal shift. Essential employees should report on schedule. #ReadyNJ @NJSP pic.twitter.com/8KTLYsZEVv— NJOEM (@ReadyNJ) March 20, 2018
6:45 p.m. EDT Tuesday:
PennDOT is imposing travel restrictions on several major highways across Pennsylvania.
This ban includes empty straight CDL-weighted trucks, tractors hauling double trailers, tractors hauling empty trailers, trailers pulled by passenger vehicles and pick-up trucks, motorcycles and recreational vehicles and RVs.
These restrictions will remain in place until conditions improve as the storm departs.
In anticipation of significant snow fall across PA beginning tonight, PennDOT will impose a series of restrictions on most interstates beginning at 8 PM. Learn more at https://t.co/JtiOsiRI2M. #PAWinter #WinterStormWarning pic.twitter.com/yahGQa0XTg— PA Department of Transportation (@PennDOTNews) March 20, 2018
5:45 p.m. EDT Tuesday:
All public schools in New York City and Philadelphia will be closed on Wednesday due to the storm.
Due to the forecasted inclement weather, all @PHLschools, administrative offices & early childhood centers will be closed Wednesday, March 21, 2018. All after-school activities (including athletics & and professional development sessions) set for Wednesday are canceled. #PHLed— Philadelphia Schools (@PHLschools) March 20, 2018
5:15 p.m. EDT Tuesday:
Over 200 accidents have already occurred on roads around Baltimore, according to WJZ.
Dozens of flights have been canceled today at Baltimore Washington International Airport, with some airlines beginning to cancel flights at the airport scheduled for Wednesday.
1:33 p.m. EDT Tuesday:
The University of Maryland, College Park announced it will close early Tuesday due to the snowstorm. Schools across the state have been dismissing early in anticipation of the storm.
Road conditions are beginning to deteriorate across the state.
The University of Maryland, College Park will close at 4 pm today, Tuesday, March 20, 2018. #UMD is closed, Wednesday, March 21, 2018, due to inclement weather.— Univ. of Maryland (@UofMaryland) March 20, 2018
We’re tracking all over the state here at SOC as the storm hits. A lot of schools have released early, so be mindful of volume at earlier times this afternoon. Western and Northern Maryland are getting a lot of the white stuff. Use safe speed and caution. #mdotnews #mdotcares jts pic.twitter.com/1C6yUBJXYq— MD State Highway Adm (@MDSHA) March 20, 2018
1:13 p.m. EDT Tuesday:
At least three major accidents have been reported on Interstate 83 around York, Pennsylvania.
This Pennsylvania Department of Transportation (PennDOT) image shows the snow-covered state route 31 near Laurel Ridge State Park in Somerset County.
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