Category Archives: Tropical

When is hurricane season?

The peak of hurricane activity in the tropical waters south and southeast of the United States is typically in early to mid-September.

But hurricanes can occur any month of the year; the calendar isn’t the important thing — the ocean temperatures and the lack of wind shear are. Continue reading

Category: Seasons, Severe Weather, Tropical

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How was the 2019 hurricane season?

The 2019 Atlantic hurricane season, which ends on Nov. 30, will go down as the fourth-most active hurricane season on record.

There were 18 named storms and 20 tropical cyclones in total, although many were weak and short-lived, especially late in the season. Continue reading

Category: Meteorology, Tropical

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What is the hurricane cone of uncertainty?

Starting in the 1950s and up until the 1980s, meteorologists forecast the path of hurricanes using statistical prediction based on past data and current climatological data.

Today, weather computer models are primarily used for the forecasting. Continue reading

Category: Meteorology, Severe Weather, Tropical

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Can we modify hurricanes?

There have been several suggestions on how humans might modify the intensity or path of a hurricane.

One method suggested was to change the “energy budget” of the environment around the storm. It was suggested that this could be done by dispersing, from aircraft, carbon soot. That soot would absorb solar energy and warm the atmosphere, which would enhance the evaporation of ocean water and promote the formation of thunderstorms. Continue reading

Category: Meteorology, Severe Weather, Tropical

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What is warm rain?

Warm rain results from the joining together of a cloud’s liquid water droplets. For the rain to be warm, temperatures throughout the cloud must be above freezing, so ice particles are absent.

Rainmaking is not easy. A single, small raindrop is a collection of about 1 million cloud droplets. A typical cloud droplet is usually 10 times smaller than the periods in this article. Continue reading

Category: Meteorology, Tropical

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