this year's hurricane names are ridic

Please help me understand how it's a natural progression to go from Arthur, Bertha, and Cristobal to Kyle, Laura, and Sally.

Arthur
Bertha
Cristobal
Dolly
Edouard
Fay
Gustav
Hanna
Ike
Josephine
Kyle
Laura
Marco
Nana
Omar
Paloma
Rene
Sally
Teddy
Vicky
Wilfred