"Hurricane Zsa Zsa" is a joke on the tempestuous, whirlwind personality of actress Zsa Zsa Gabor. The first named storm of any year starts with the letter "A" then comes "B", it is rare to get to "Z".
As a youth Gomez had to scrimp and save to buy one single stick of 40% nitro. Dynamite is nitroglycerin soaked into some absorbant stabilizer like diatomaceous earth, some clays, or sawdust. 40% nitro/60% stabilizer is the strongest formulation of dynamite.