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Are we seeing evidence of climate change?
Last week was an alarming week in weather and climate news.
Hurricane Sally bore down on the Gulf Coast with fury and flooding, while four other tropical storms churned away simultaneously in the Atlantic. This is only the second time ever, and first since 1971, when such prolific tropical storminess has characterized the Atlantic basin. Continue reading
What were the significant U.S. weather events of summer 2020?
Meteorologists consider summer to be the three-month period of June through August, and 2020 had some interesting and significant weather events.
Certainly, first on the list is the fire weather in the West. Colorado had its largest fire on record, the Pine Gulch fire, and California has to date the second-, third- and fourth-largest fires in its state history. Wildfires in the West continue to burn into autumn. Continue reading
Category: Seasons, Severe Weather
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What is the Farmer’s Almanac forecast for winter?
The Farmers’ Almanac recently published its 2020-2021 winter forecast. For the Midwest region, it predicts a cold winter with normal to below-normal temperatures.
But don’t count on its forecast, as there is no proven skill. The Farmers’ Almanac does not share how it makes its forecast, so it cannot be judged scientifically. Continue reading
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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