Epsilon and Zeta

Epsilon and Zeta

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The average error in the NHC forecasted position of a hurricane three days in the future has shrunk to a third of what it was in 1990--a staggering accomplishment. However, as you may have gathered, forecasts of future storm *strength* have proved more difficult to improve.

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—out now. Order it here!