'A drastic change' in Bay Area weather may impede Fleet Week air shows

Key Points:

• The Bay Area will experience a sharp temperature drop from recent triple-digit heat to highs in the 70s and cooler coastal temperatures by this weekend, due to a combination of a dipping jet stream, a low-pressure system, and remnants of Hurricane Rachel.
• High winds up to 30 mph from the northwest are expected starting Friday afternoon, potentially impacting the Fleet Week air shows, including the Blue Angels' return, with possible disruptions to flying conditions.
• Coastal flood advisories are in effect from Friday morning through Tuesday afternoon, with tides elevated by El Niño and warming waters causing "king tide" level flooding in low-lying areas, even without a major storm surge.
• Fog along the coastline may clear quickly due to the winds, but attendees are advised to prepare for chilly conditions during the weekend's aerial events.
• The National Weather Service is coordinating with the U.S. Coast Guard to ensure safety during the air shows, and the public is encouraged to monitor weather updates for any changes.