PARKAPOCALYPSE? Monday Metrowest Disaster? You choose your disaster title!
Alewife MBTA garage is closed to new traffic; 5 Investigates (broke the story) and other news crews are on scene, I imagine it's almost as good as a snowstorm newscast.
Town of Arlington alerts note that MBTA will be closing the garage over weekend, at least partly closed on Monday, parking at Thorndike field allowed:
Alewife Garage Closures Starting Today Through Weekend