Northern Leeward Islands Threatened: Hurricane Irma Is Expected To Strengthen; US Impact Still Unknown Northern Leeward Islands Threatened: Hurricane Irma Is Expected To Strengthen; US Impact Still Unknown The Weather Channel Hurricane Irma remains potential threat to the East Coast, possibly matching Harvey’s wind strength Washington Post Hurricane Irma now a Category 2, moving across Atlantic as “small” storm CBS News Hurricane Irma regains Category 3 strength, continues heading west NOLA.com Full coverage 3 SEP 0