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Hurricanes Mrs.James' class
Transcript of Hurricanes Mrs.James' class
How does a hurricane form?
Hurricanes only form over really warm ocean water of 80°F or warmer. The atmosphere must cool off very quickly the higher you go. Also, the wind must be blowing in the same direction and at the same speed to force air upward from the ocean surface. Winds flow outward above the storm allowing the air below to rise.
Hurricane names are chosen each year by the World Meteorological Organization. The naming system was began in 1950 and by 1953, the alphabetic name system was in place. It was not until 1979 that hurricanes acquired male names as well as Spanish and French names. Naming tropical storm systems began because at times, there could be several systems going on at the same time. To make it less confusing, they named them.
What is the difference between a hurricane
watch and hurricane warning?
When a hurricane watch is issued, this indicates
that you could possibly experience a hurricane
within the next 36 hours.
If a hurricane warning is issued, this means
that winds of at least 74 mph are to
be expected within the next 24 hours.
The 1900 Galveston Storm!
Since 1953, Atlantic Tropical storms have been named from lists originated by the National Hurricane Center. They are now maintained and updated through a strict procedure by an international group of the World Meteorological Organization. There are six years worth of names that are recycled every six years. For example, if the name Nadine was used for a 2012 hurricane, in 2018 the name would be used again. The only time there is a change in the list is if a storm is too deadly or costly that the future use on the name on a different storm would be inappropriate for reasons of sensitivity. If that occurs, then at an annual meeting by the WMO committee, the offending name is stricken and another name is chosen. In the event that more than twenty-one named tropical cyclones occur, additional storms will take names from the Greek alphabet. Each ocean has a different name list for each six years.
How should people prepare for a hurricane?
Listen for your local weather updates
Learn your local evacuation routes and have an emergency meeting place.
Prepare a disaster supply kit.
Secure your property.
The 1900 Galveston Hurricane was one of the worst natural disasters ever to hit the US. What exactly were the coordinates?
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