Ενα βαρομετρικο χαμηλο επληξε τις τελευταιες 2 ημερες τις ανατολικες ΗΠΑ, οπου σε συνδιασμο με την υπαρξη αντικυκλωνα βορειοτερα, προεκυψε συνδιασμος και συγκρουση θερμων και υγρων αεριων μαζων με ψυχρες αεριες μαζες απο τα βορεια και ετσι υπηρξαν εντονοτατες χιονοπτωσεις στις περιοχες των ανατολικων ΗΠΑ στις πολιτειες του Μεριλαντ, Νιου Χάμσαϊρ, Κονεκτικατ, Μασαχουσετης και κυριως στις πολιτειες της Νεας Υορκης, του Βερμοντ και της Πενσυλβανια.
Το χαμηλο αυτο ονομαζεται Nor’Easter διοτι οι ανεμοι που φερνει στις περιοχες που πληττει ειναι κυριως βορειοανατολικων κατευθυνσεων. Τα Nor’Easter συνηθως φερνουν μεγαλες ποσοτητες χιονιου ή βροχων σε μικρη χρονικη διαρκεια και αυτο διοτι συνδιαζουν εντονα θερμα μετωπα και μεταφορα μεγαλης υγρασιας απο τον Ατλαντικο και με την υπαρξη αντικυκλωνα βορειοτερα ο υετος εχει την μορφη χιονιου οπως εγινε και τωρα.
Το χιονι μεσα στην πολη της Νεας Υορκης εφτασε τους 25 ποντους περιπου ενω υπηρξαν περιοχες οπου δεχτηκαν και 112 εκατοστα μεσης χιονοστρωσης οπως στο Binghamton της Νεας Υορκης. Τα προβληματα που προκαλεσε ηταν πολλα μιας και δεκαδες χιλιαδες ανθρωποι εμειναν χωρις ηλεκτρικο ρευμα ενω υπηρξαν και 6 νεκροι λογω των χιονοπτωσεων για διάφορους λογους.
Εικονα του Nor’Easter.
Χαρτες με την συνολικη χιονοπτωση που δεχτηκαν τις τελευταιες 2 ημερες οι ΗΠΑ:
Και εικονες απο τις χιονοπτωσεις σε διάφορα μερη των ΗΠΑ, ολα σε πεδινες και ημιπεδινες περιοχες με υψομετρο απο 0 εως 260 μέτρα:
BOSTON, MA – DECEMBER 17: Snow is seen around the entrance to the Copley MBTA station on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
BOSTON, MA – DECEMBER 17: Dogs play with a frisbee in near white-out conditions on the Boston Common on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
Barry James digs out his car, as well as his daughter’s car, before trying to get to work in Englewood, N.J., Thursday, Dec. 17, 2020. Snow continued to fall Thursday during a key period in the coronavirus pandemic, days after the start of the U.S. vaccination campaign and in the thick of a virus surge that has throngs of people seeking tests daily. (AP Photo/Seth Wenig)
A tufted titmouse grabs a seed from a snow covered bird feeder during a snowstorm, Thursday, Dec. 17, 2020, in North Andover, Mass. (AP Photo/Elise Amendola)
A woman jogs through a snowstorm, Thursday, Dec. 17, 2020, in New York’s Times Square. (AP Photo/Mark Lennihan)
Dr. Charles Blomquist plays with his Newfoundland Daphne at St. Joseph’s on Thursday, Dec. 17, 2020, in Pittsfield, Mass. (Ben Garver/The Berkshire Eagle via AP)
BOSTON, MA – DECEMBER 17: A couple crosses the Boston Public Garden bridge on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
BOSTON, MA – DECEMBER 17: Snow covers cars on Spruce Street on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
A woman walks through a snowstorm, Thursday, Dec. 17, 2020, in New York’s Times Square. (AP Photo/Mark Lennihan)
A man makes his way through the snow in Englewood, N.J., Thursday, Dec. 17, 2020. Snow continued to fall Thursday during a key period in the coronavirus pandemic, days after the start of the U.S. vaccination campaign and in the thick of a virus surge that has throngs of people seeking tests daily. (AP Photo/Seth Wenig)
BOSTON, MA – DECEMBER 17: Snow blows around on Boylston Street as a snow squall blows through on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
BOSTON, MA – DECEMBER 17: Pedestrians walk down Spruce Street on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
BOSTON, MA – DECEMBER 17: Snow covers the Boston Public Garden on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
A man walks his dog during a snowstorm, Thursday, Dec. 17, 2020, in North Andover, Mass. (AP Photo/Elise Amendola)
KINGSTON, PA – DECEMBER 17: Xavier Acri, 4, sits atop a snow mound as his father, Matt, shovels after more than a foot of accumulation on December 17, 2020 in Kingston, Pennsylvania. Winter storm Gail is expected to bring more than two feet of snow in parts of the Northeast throughout this first storm of the season. (Photo by Mark Makela/Getty Images)
A tractor with a power brush clears snow, Thursday, Dec. 17, 2020, in New York’s Times Square. (AP Photo/Mark Lennihan)
BOSTON, MA – DECEMBER 17: Snow covers the sidewalks on Charles Street on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
KINGSTON, PA – DECEMBER 17: Dashon Adams, 23, shovels after more than a foot of accumulation on December 17, 2020 in Kingston, Pennsylvania. Winter storm Gail is expected to bring more than two feet of snow in parts of the Northeast throughout this first storm of the season. (Photo by Mark Makela/Getty Images)
BOSTON, MA – DECEMBER 17: People walk their dogs on the snow-blanketed Commonwealth Mall on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
A man carrying a shovel walks in the street in Englewood, N.J., Thursday, Dec. 17, 2020. Snow continued to fall Thursday during a key period in the coronavirus pandemic, days after the start of the U.S. vaccination campaign and in the thick of a virus surge that has throngs of people seeking tests daily. (AP Photo/Seth Wenig)
BOSTON, MA – DECEMBER 17: People walk down a snow-covered Chestnut Street on December 17, 2020 in Boston, Massachusetts. More than a foot of snow is expected in the Greater Boston area as Winter Storm Gail delivers snow, rain, sleet and high winds up and down the East Coast. (Photo by Scott Eisen/Getty Images)
Howard Powell clears his driveway with a snowblower in Englewood, N.J., Thursday, Dec. 17, 2020. Snow continued to fall Thursday during a key period in the coronavirus pandemic, days after the start of the U.S. vaccination campaign and in the thick of a virus surge that has throngs of people seeking tests daily. (AP Photo/Seth Wenig)
Weymouth MA. – DECEMBER 17: Visibility was greatly reduced along route 3 as a storm lashes the region on December 17, 2020 in Weymouth, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Boston MA. – DECEMBER 17: Residents walk along Preble St. as a storm lashes the region on December 17, 2020 in Boston, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Boston MA. – DECEMBER 17: A plow moves down East Broadway as a storm lashes the region on December 17, 2020 in Boston , MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Hingham MA. – DECEMBER 17: a resident digs his driveway out as a storm lashes the region on December 17, 2020 in Hingham, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Braintree MA. – DECEMBER 17: Plows move thru the Braintree Split as a storm lashes the region on December 17, 2020 in Braintree, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Boston MA. – DECEMBER 17: Dianne Smith digs out her buried front steps in South Boston as a storm lashes the region on December 17, 2020 in Boston, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
Boston MA. – DECEMBER 17: Workers clear snow in front of South Station on Atlantic ave. as a storm lashes the region on December 17, 2020 in Boston, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
BOSTON MA. – DECEMBER 17: Residents dig out their cars along Mercer St as a storm lashes the region on December 17, 2020 in Boston, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
BOSTON MA. – DECEMBER 17: Christina Cortes (L) drags Oliver Yenc, 4, back up the hill at Evans Field as a storm lashes the region on December 17, 2020 in Boston, MA. (Staff Photo By Stuart Cahill/MediaNews Group/Boston Herald)
WOBURN, MA – December 17, 2020: Woburn resident Bhakta Shrestha cleans-up his driveway Woburn, Massachusetts as the region is hit with a storm bringing upwards of more than a foot of snow. (Staff photo By Nicolaus Czarnecki/MediaNews Group/Boston Herald)
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