Hurricane warning signs are not apparent until a hurricane has gotten close to making landfall. A few signs, such as an increase in ocean swell, wave frequency and driving rain, can be seen 36 to 72 hours before a hurricane strikes.Rip tides pushing away from the shoreline can appear as the storm nears.ncreased Ocean Swell. Around 72 hours before a hurricane makes landfall, ocean swell increases to about 2 meters (6 feet) in height. Waves hit the shore about every nine seconds. This is one of the earliest signs of an approaching hurricane.
The is the first time in 31 years that the Super Bowl has been in Silicon Valley, and wealthy local residents are undoubtedly helping to drive up ticket prices. The most expensive tickets sold for Sunday's game so far were a pair of seats near the 50-yard line, which went for $20,500 each.
Only right now, Super Bowl tickets remain among the most expensive ever. According to data from the ticket resale and aggregation site SeatGeek, the average Super Bowl ticket is listed at $4,967 as of Thursday, which is about the same as it was one year ago with 10 days to go before the Super Bowl. And this year's ticket prices are extraordinarily expensive compared to previous years. With 10 days to go before the Super Bowls in 2010, 2011, and 2013, average asking prices were around $3,000, according to TicketIQâor $2,000 less than the current rates.