Flood alerts double for 33 million as rare September nor’easter nears

UP NEXTTracking Nor'easter and Hurricane Nolo: See Al Roker's Forecast02:12Tropical Storm Nolo Becomes Hurricane, Moves Toward Hawaii01:23Millions on Alert as Nor’easter Makes Its Way Up East Coast02:08Exclusive look inside UL's extreme weather testing facility02:52Millions bracing for dangerous nor’easter01:56More Storms Flood New Mexico; East Coast Braces for Nor'easter04:09Hurricane Polo fuels fears of heavy rain and landslides in Mexico’s southwest00:52Southwest Copes With Flood Emergency, Braces for More Rain03:01Torrential rains prompt flood risk for millions02:04Millions Across US Under Alerts for Intense Heat, Flash Flooding02:58Torrential rain creating havoc across the country01:17Flash Flooding in New Mexico Leaves at Least 3 Dead03:05Deadly flash floods swamp Southwest01:07Hurricane carves path of destruction in Hawaii01:45Southern California faces heatwave and coastal erosion concerns03:41Clean Up Begins After Hurricane Lowell Slams Kauai02:04Sinkhole threatens mansion once linked to Nicolas Cage00:59Hurricane Lowell Pounds Hawaii as Storms Fuel Travel Delays03:37Hurricane Lowell barrels towards Hawaii01:52Post-Labor Day Weekend Travel Rush Underway Across US03:40NBC News NOWUP NEXTTracking Nor'easter and Hurricane Nolo: See Al Roker's Forecast02:12Tropical Storm Nolo Becomes Hurricane, Moves Toward Hawaii01:23Millions on Alert as Nor’easter Makes Its Way Up East Coast02:08Exclusive look inside UL's extreme weather testing facility02:52Millions bracing for dangerous nor’easter01:56More Storms Flood New Mexico; East Coast Braces for Nor'easter04:09