A summary of the last week's major news and sports events in Northern Virginia: News:

One of the worst snow storms ever to hit the Washington area brought Northern Virginia to a standstill, trapping hundreds of commuters and tourists in stalled cars, buses, Metro stations, motels and temporary shelters and shutting down National Airport and all Metrorail and bus service.

A 605-foot coal vessel carrying 36 crew members capsized in heavy seas and gale-force winds about 30 miles east of Chincoteague, Va. Only three men were believed to have survived.

An Alexandria Circuit Court judge ordered Dr. Robert Greenspan, of Woodbridge, to pay $550,000 in damages to Dr. Raphael J. Osheroff, an Alexandria kidney specialist, for what the judge called Greenspan's "particularly reprehensible" takeover of Osherhoff's medical practice. Osheroff was also awarded half of any future profits from a competing kidney treatment clinic opened by Greenspan, who was formerly Osherhoff's partner.

Debra D. Hill, a Reston woman who complained of eye damage from contaminated Visine A.C. eye drops, was found guilty by Fairfax County General District Judge Stewart Pettet Davis of fabricating the incident to gain "monetary profit."

A panel of black residents presented the Alexandria City Council with a list of criticisms that included complaints about public housing and underrepresentation of blacks in the city government.

The Fairfax County Board of Supervisors approved a major residential zoning request in western Fairfax. It was the first rezoning in the area near the Fair Oaks Shopping Mall where massive development is planned. The board agreed to a request by Artery Organization Inc., of Chevy Chase, Md., to build 173 town houses on 24.9 densely wooded acres near Lee Highway.

In the Virginia Senate:

A bill was unanimously approved that would outlaw the sale and possession of Teflon-coated, armor-piercing bullets;

The Finance Committee approved a bill granting a $1.2 million a year tax break to large retail merchants;

The Courts of Justice Committee, responding to arguments that justice in Virginia is compromised because so few verdicts can be appealed, approved the establishment of an intermediate court of appeals.

In the Virginia House of Delegates:

A "natural death" bill that would give terminally ill persons the right to order that their lives not be prolonged by artificial means was sent to the Senate;

A proposal to set up a state-run lottery in Virginia was defeated;

A bill was killed that would have made jobless workers wait a week before they collect unemployment benefits;

A controversial measure was approved that would allow landowners to shoot wild dogs and cats that roam onto their property.

A Catholic Church spokesman announced the transfer to Allentown, Pa., of Bishop Thomas J. Welsh, the controversial and conservative Roman Catholic bishop who has led the eight-and-a-half-year-old Diocese of Arlington since its creation.

The 12 Libyan protesters who pleaded guilty to misdemeanor charges in connection with their December takeover of a Libyan student-aid center in McLean have filed a $15 million counter-suit against the organization that operates the center. The protesters allege that the People's Committee for Students of the Libyan Aram Jamahiriya Inc., has made verbal and written threats against them and their families.

A. Carter Powell II, a Danville accountant, is among four persons facing drug charges after the seizure of of $1.1 million in cocaine hidden in 11 crates of ceramic pots from Quito, Ecuador. Federal agents arrested Powell and three South Carolina fugitives after U.S. Customs Service officials in Miami alerted them.

The Arlington County Board endorsed a proposed 15 percent across-the-board Metro fare increase, a move the transit authority has said would result in decreased local subsidies to the bus and rail system.

The Fairfax County Board of Supervisors adopted a resolution that "strongly questions" the effectiveness of a $22.9 million traffic control system state highway officials plan to implement later this year on Shirley Highway and I-66. The board said it is worried about delays the controls may create for Fairfax commuters.

Warner Amex Cable Communications, of Reston, an unsuccessful bidder for Fairfax County's cable television business, filed a petition with the Federal Communications Commission seeking to delay plans of the the franchise winner, Media General of Fairfax County, Inc., to wire the county.

A Prince William County taxpayers group filed suit in the county's Circuit Court against the county Board of Supervisors seeking to dismantle the new county water and sewer authority. The issue should have been decided by referendum, the suit alleges.

Warner Amex Cable Communications, of Reston, an unsuccessful bidder for Fairfax County's cable television business, filed a petition with the Federal Communications Commission seeking to delay plans of the franchise winner, Media General of Fairfax County, Inc. to wire the county.

Ginette L. Boucher, of Vienna, the widow of Paul R. Boucher, former inspector general of the Small Business Administration, filed suit in Fairfax County Circuit Court seeking $2.5 million from James S. Benson, the operator of a gasoline-powered model airplane that struck and fatally injured her husband last July.

Fairfax City Police Chief Loyd W. Smith ordered his department to stop using Boy Scouts to attempt to make illegal beer purchases after being notified that the national scout organization disapproves of the practice. Sports:

Twenty-two Mt. Vernon High School basketball players sued the Virginia High School League in an effort to end sanctions imposed on the school by the league for recruiting violations. The suit seeks a temporary lifting of league sanctions against Mt. Vernon so that the school may participate in the league's Feb. 21 tournament. A preliminary hearing was scheduled for today.

Todd Hitt, of Yorktown High School, and John Kerr Jr., of Falls Church High School, were named to Parade Magazine's 1982 All-America High School soccer squad. Kerr, a forward, was drafted in the first round of the North American Soccer League high school draft, while Hitt was named the top midfielder on the Parade team.