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.
The ticket prices have declined between the conference titles games and the Super Bowl in five of the last six big games, according to according to SeatGeek. The average resale price on SeatGeek for the game was about $6,400 as of Monday, which is more than the record set last year ($4,531) since SeatGeek began tracking the Super Bowl in 2010. The get-in price, the cheapest ticket on sale for the game, has ticked up slightly to $3,600 over the last 24 hours on SeatGeek.