Satellite imagery from the Cooperative Institute for Research in the Atmosphere (CIRA) on X captured Hurricane Erin swirling over the Atlantic Ocean on Friday as the storm became a Category 1 hurricane .

Why It Matters

As of the most recent update from the National Hurricane Center (NHC), Erin had maximum sustained windspeeds of 75 miles per hour, making it a Category 1 storm. It's the first hurricane to form in the Atlantic Ocean this year.

An updated forecast map from AccuWeather shows Erin is expected to reach Category 4 strength by Monday afternoon. A Category 4 hurricane has maximum sustained windspeeds between 130 and 156 mph.

What To Know

On Friday morning, CIRA shared a satellite loop of the storm as it intensified over the ocean.

"Erin strengthens, becoming the first hur

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