SEVERE WEATHERBackstreet Boys concert cancelled after storm injures 14
FLASH FLOODSEvacuations, rescues as 'historic' floods hit the Northeast
CLIMATEEl Niño likely setting up for a winter comeback
Study: 'Stalling' weather may mean heavier rains, heat waves
Scientists seek new ways to combat Florida's 'red tide'
Firefighters gain on California blazes as heat wave breaks
Relief efforts stepped up as deadly quake hits Indonesia
Marine heat waves behind balmy summer weather in U.S.