USA Today24 天
The worst type of tornado hasn't hit the US for over a decade, perplexing experts
Lyza, lead author on the new study about the EF5 tornado drought, said that although these monstrous tornadoes are admittedly the rarest of beasts, the odds of going that many years without a ...
来自MSN27 天
Where did all the EF5 tornadoes go? New study explores the decade-long mystery
A recent study explores the puzzling decline in EF5 tornadoes, contributing it to more strict criteria in the Enhanced Fujita scale introduced in 2007. Canada reconsidering multi-billion dollar ...
wqad26 天
Where did all the EF5 tornadoes go? New study explores the decade-long mystery
MOLINE, Ill. — A new study published by the American Meteorological Society has shed light on a puzzling phenomenon: The United States has not logged an EF5 tornado, the most violent category ...
Weather Underground1 个月
Where Have All The EF5 Tornadoes Gone? The Surprising Reason Behind The 11-Year Drought
It may be hard to believe that with an average of 1,200 tornadoes each year in the United States, we haven’t seen an EF5-rated twister ... newly formed tornado. A new study published in the ...
Yahoo12 天
Tornado Outbreak Spawns More Than 100 Twisters Across 14 States, Killing 40
The other, which had the most severe damage near Diaz in Jackson County, was determined to be a high-end EF4 tornado with maximum winds of 190 mph. For comparison, an EF5 tornado has winds of at ...
AOL1 个月
Absence of EF-5 tornadoes may be because of damage assessments, not changes in weather patterns
NORMAN, Okla. – Research recently published in the Bulletin of the American Meteorological Society suggests that the record-long drought of EF5 tornadoes is due to stricter use of damage ratings ...