Because they fought with swords and if an army was attacking, it would look like a whole "storm" of swords coming down on them
A Storm of Swords was created in 2000-08.
Swords - 2009 The Storm of the Century 3-3 was released on: USA: May 2011
Battle Storm happened in 1991.
Swords Life on the Line - 2009 The Storm of the Century 3-3 was released on: USA: 26 May 2011
Swords Life on the Line - 2009 A Perfect Storm 1-7 was released on: USA: 22 September 2009
Swords Life on the Line - 2009 Overloaded and Into the Storm 2-4 was released on: USA: 31 August 2010
Battle Storm was created on 1991-12-21.
The page count of "A Storm of Swords" by George R. R. Martin varies depending on the edition and publisher, but it is typically around 1,200 pages or more.
With regard to a hurricane or tropical storm, a warning is issued.
If a storm does not have a circulation, then it is not a hurricane. Such a storm system that might become a hurricane is called a tropical disturbance.
it is called a storm
Catelyn Stark is murdered at the wedding of her brother Edmure, along with her son and a few of his loyal bannermen. She returns in the next novel, A Feast for Crows, as Lady Stoneheart, the new leader of the Brotherhood Without Banners, after Beric Dondarrion gave his life to revive her dead body.