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Category Archives: Meteorology
How was the 2020 hurricane season?
The 2020 Atlantic hurricane season ends today and will go down as the most active hurricane season on record.
A total of 30 named storms, 13 hurricanes, and six major hurricanes have formed throughout the season have formed throughout the seasons. Twelve of the named storms made landfall in the contiguous United States, breaking the record of nine set in 1916. Continue reading
What causes a mid-latitude cyclone to develop?
Our recent weekend storm on Nov. 14-15 was the first strong storm of the autumn/winter season.
As you found yourself caught in the strong winds, you may well have wondered how do storms like this one come to be?
That has been the central motivating question in meteorological science for most of the past 100 years. During that time, meteorologists have learned a great deal about how such storms are formed. Continue reading
Category: Meteorology, Seasons, Severe Weather
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Does the moon affect the weather?
Tides in the ocean are caused by the gravitational force between Earth and the moon. There are also atmospheric tides.
Lunar gravity affects the density of the thermosphere, which is the largest layer of the atmosphere. This is also where many satellites and the International Space Station orbit Earth. This lunar-induced drag is small, but it has to be included in the models used to predict the satellites’ orbits. The moon also affects the pressure at Earth’s surface. Continue reading
What is a waterspout?
There are two types of waterspouts: fair weather waterspouts and tornadic waterspouts.
A fair weather waterspout is a whirlwind that forms beneath a cumulus cloud and over water. It’s generally not associated with thunderstorms.
A fair weather waterspout develops on the surface of the water and moves upward. Before you see the waterspout, you may see a funnel cloud hanging from the bottom of the cumulus cloud. A waterspout forms as the rotating funnel draws up water. Continue reading
Do the Rocky Mountains influence our weather?
Our string of beautiful days at the end of last week were related, believe it or not, to the presence of the Rocky Mountains hundreds of miles to our west. Last week, the atmospheric flow at levels just above the … Continue reading
