With 155 MPH Winds, Hurricane Irma is Among Strongest Cat. 5 Storms
01:40
Link copied
NBC News' Tom Costello recreated hurricane force wind conditions with University of Maryland wind tunnel researchers to examine how well the U.S. is prepared to survive them.Sept. 8, 2017
UP NEXT
Texas school superintendent arrested in child sex sting
03:00
Pennsylvania police seek third suspect in Lebanon triple murder
01:06
NYC venue offering live performances for people with dementia
02:49
Body of missing toddler found in Florida canal
01:02
More charges possible in fatal shooting of South Carolina teen
01:35
Amazon agrees to pay more than $30 million for alleged privacy violations