Related Clues:

• It may precede a storm
• Give a shot, perhaps
• Make calm
• Xanax, e.g.
• Halcyon
• Pre-storm status
• Storm preceder, it's said
• Stupefy, in a way
• Word with miracle or wonder
• Storm preceder, supposedly
• Serenity found in 17-, 26-, 42- and 54-Across
• It may pick you up
• The ''D'' in FDA
• Medicine
• Stress-free