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Hurricanes

A hurricane is a type of tropical cyclone and the generic term for a low-pressure system that usually forms in the tropics. A typical cyclone is accompanied by thunderstorms, and in the Northern Hemisphere, a counterclockwise circulation of winds near the earth’s surface.

All Atlantic and Gulf of Mexico coastal areas are subject to hurricanes or tropical storms. Parts of the Southwest United States and the Pacific Coast experience heavy rains and floods each year from hurricanes spawned off Mexico. The Atlantic hurricane season lasts from June to November, with the peak season from mid-August to late October.

Hurricanes can cause catastrophic damage to coastlines and several hundred miles inland. Winds can exceed 155 miles per hour. Hurricanes and tropical storms can also spawn tornadoes and microbursts, create storm surges along the coast and cause extensive damage from heavy rainfall.

Hurricanes are classified into five categories based on their wind speed, central pressure and damage potential (see chart). Category Three and higher hurricanes are considered major hurricanes, though Categories One and Two are still extremely dangerous and warrant your full attention.

Hurricane Safety Procedures

Before a Hurricane:

  • Make plans to secure your property. Permanent storm shutters offer the best protection for windows. A second option is to board up windows with 5/8” marine plywood, cut to fit and ready to install. Tape does not prevent windows from breaking.
  • Install straps or additional clips to securely fasten your roof to the frame structure; this will reduce roof damage.
  • Trim trees and shrubs around your home.
  • Clear loose and clogged rain gutters and downspouts.
  • Determine how and where to secure your boat.
  • Consider building a safe room.

During a Hurricane:

  • Listen to the radio or TV for information.
  • Secure your home, close storm shutters and secure outdoor objects or bring them indoors.
  • Turn off utilities if instructed to do so. Otherwise, turn the refrigerator thermostat to its coldest setting and keep its doors closed.
  • Turn off propane tanks.
  • Avoid using the phone unless it is a serious emergency.
  • Moor your boat if time permits.
  • Ensure a supply of water for sanitary purposes such as cleaning and flushing toilets. Fill the bathtub and other large containers with water.
  • You should evacuate under the following conditions:
    • If you are directed by local authorities to do so. Be sure to follow their instructions.
    • If you live in a mobile home or temporary structure— such shelters are particularly hazardous during hurricanes no matter how well fastened to the ground.
    • If you live in a high-rise building— hurricane winds are stronger at higher elevations.
    • If you live on the coast, on a floodplain, near a river, or on an inland waterway.
    • If you feel you are in danger.
  • If you are unable to evacuate, go to your safe room. If you do not have one, follow these guidelines:
    • Stay indoors during the hurricane and away from windows and glass doors.
    • Close all interior doors— secure and brace external doors.
    • Keep curtains and blinds closed. Do not be fooled if there is a lull; it could be the eye of the storm and winds could pick up again.
    • Take refuge in a small interior room, closet or hallway on the lowest level
    • Lie on the floor under a table or another sturdy object.

After a Hurricane:

Recovering from a disaster is usually a gradual process. Safety is the primary issue, as is your mental and physical well-being. If assistance is available, knowing how to access it makes the process faster and less stressful. This section offers some general advice on steps to take after disaster strikes in order to begin getting your home, your community and your life back to normal.

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