Storms that ramp up so quickly complicate forecasting and make it harder for government agencies to plan for emergencies. Hurricane Erick, a Pacific storm that made landfall June 19 in Oaxaca, Mexico, also strengthened rapidly, doubling in intensity in less than a day.

Hurricane Erin was a Category 4 storm Monday morning and is expected to retain major hurricane status through the middle of the week.

Hurricane Erin is causing evacuations in North Carolina. Here's a look at the latest forecast and spaghetti models.

A stronger and bigger Hurricane Erin pelted parts of the Caribbean and is forecast to create dangerous surf along the U.S. East Coast this week.

After pummeling the Caribbean as a Category 3 hurricane over the weekend, Hurricane Erin has restrengthened to a Category 4 and is expected to bring life-threatening waves and rip currents up and down the East Coast.

As of the National Hurricane Center’s 8 a.m. advisory, the center of Erin was located about 115 miles north-northeast of Grand Turk Island and 890 miles

Forecasters said Erin should begin to slowly weaken as it increased wind shear. However, it's predicted to remain a major hurricane until late next week.

Hurricane Erin remained a Category 4 storm throughout the day. Here's a look at the latest forecast and spaghetti models.