What is a storm surge, and what is the threat from Hurricane Helene?
by Guardian staff and agencies from World news | The Guardian on (#6R1GE)
Storm surges often pose great danger when hurricanes such as Helene hit - here's what you need to know
Life-threatening storm surges as high as 20ft are expected on Florida's coast when Hurricane Helene makes landfall late Thursday.
The governors of Florida, Georgia, the Carolinas and Virginia have declared emergencies in their states.
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