Rain pounded New York City and Long Island this week.
Water filled streets in Brooklyn, Queens, and Long Island.
Flash floods swept over homes and businesses.
The National Weather Service posted warnings.
Power lines toppled.
Power cuts resulted.
Roads turned into rivers.
Some areas became cut off.
Emergency teams toiled all week.
They helped trapped residents.
Officials advised people not to drive through water.
Rainfall reached levels rarely seen at this time.
More rain could come.
More flooding may follow.