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Monthly Archives: August 2020
How accurate were forecasts of Hurricane Laura?
When Hurricane Laura made landfall just south of Lake Charles, Louisiana, at 2 a.m. Thursday, it did so as the strongest hurricane to strike the state in more than 160 years and one of the top 10 strongest landfalling storms in U.S. history.
By the time the storm came ashore 30 miles south of Lake Charles, it likely packed gusts to over 150 mph. Indeed, the peak gust at Lake Charles was 137 mph — truly incredible considering that the city is 30 miles from the coastline. Continue reading
Category: Meteorology, Severe Weather, Tropical
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Does the ozone hole occur over both poles?
The ozone hole refers to the appearance of very low values of ozone in the stratosphere.
The winter atmosphere above Antarctica is very cold. It occurs typically high over the continent of Antarctica, during the Southern Hemisphere’s spring. The cold temperatures result in a temperature gradient between the South Pole and the Southern Hemisphere middle latitudes, which results in strong westerly stratospheric winds that encircle the South Pole region. Continue reading
Category: Meteorology, Phenomena, Seasons
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What does the rest of the hurricane season look like?
On this date in 1969, Hurricane Camille, the second-worst hurricane in U.S. history, made landfall on the Mississippi coast with 190-mph winds at Bay St. Louis.
Camille claimed 256 lives. Continue reading
Category: Meteorology, Severe Weather, Tropical
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What are the “dog days of summer”?
The term “dog days of summer” refers to a time of hot and humid weather in the Northern Hemisphere, usually in July and early August.
The phrase is not a reference to lazy dogs lying around on hot and humid days. It refers to the stars in the sky. Continue reading
Where are we on hurricane season thus far?
The official season stretches from June 1 through Nov. 30. One measure of the activity of a season is the number of named storms — those that reach or exceed sustained winds of 39 mph — that season accrues.
This year, for the sixth year in a row, Atlantic tropical storms formed before the official start of the season with Arthur and Bertha developing in May. Continue reading
Category: Meteorology, Severe Weather, Tropical
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