Category Archives: Tropical

How are hurricane intensities measured?

An obvious hurricane threat is its powerful wind, which can blow in a single spot for many hours.

Wind damage is such a hallmark of hurricanes that hurricane intensities are classified by meteorologists using the Saffir–Simpson scale, which rates hurricanes on a scale of 1 to 5 based on the damage their winds would cause upon landfall. Continue reading

Category: Meteorology, Severe Weather, Tropical

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Can Pacific hurricanes influence our weather in North America?

Super Typhoon Meranti, the strongest storm of the year, delivered a devastating blow to Taiwan on Tuesday and Wednesday.

The word “typhoon,” used commonly in the west Pacific, is a synonym for “hurricane.” The storm, which intensified from a category 1 to a category 5 hurricane in 24 hours, had estimated sustained winds of 190 mph for nearly a day after reaching that incredible strength. Continue reading

Category: Meteorology, Severe Weather, Tropical

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How does Hurricane Hermine measure up?

On Friday Hurricane Hermine made landfall in Florida, making it the first to make landfall in the state in more than a decade.

Hermine, which weakened to a tropical storm shortly after landfall as is commonly the case with weak hurricanes, was poised to redevelop and pose a threat to the Mid-Atlantic states and possibly southern New England into the middle of the week. Continue reading

Category: Meteorology, Severe Weather, Tropical

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What is the prediction for this year’s hurricane season?

Hurricane season in the Atlantic Ocean basin runs from June through November.

The National Oceanic and Atmospheric Administration (NOAA) is predicting 10 to 16 named storms this season. Continue reading

Category: Severe Weather, Tropical

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How unusual was the rapid intensification of Hurricane Patricia?

The recent extremely powerful Hurricane Patricia off the west coast of Mexico, the most intense hurricane ever measured in the Western Hemisphere, was noteworthy for a number of reasons.

Perhaps primarily, it was characterized by the incredible fact that its central minimum pressure decreased by 100 millibars in 24 hours from Oct. 22-23. Since the average sea-level pressure is just over 1,000 millibars, that means that 10 percent of the atmospheric column over the center of Patricia was somehow evacuated in only one day. Continue reading

Category: Tropical, Weather Dangers

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