SARASOTA, Fla. (WWSB) - Tropical storm Imelda is that driver on I-75 who can’t pick a lane. You’d tap the horn and wonder what in the world they’re doing. After cruising north toward the Carolinas, Imelda just hit the blinker and set up a hard right turn.

Why the swerve?

Why the sudden swerve? Tropical systems don’t steer themselves. They ride the surrounding winds and pressure patterns. This isn’t a classic Fujiwhara pinwheel where two storms orbit each other, but Hurricane Humberto’s large circulation is weakening the Bermuda High and carving a soft spot in the atmosphere.

Think of it as a gap in traffic. When that gap opens, Imelda’s “GPS” recalculates and takes the new exit.

So instead of continuing toward the Southeast coast, Imelda hooks east and follows behind Humberto into th

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