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Progression of a well-anticipated high risk event across the Central Plains on April 14, 2012. This event ultimately produced 85 tornadoes that day, one of which killed six people. A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the ...
This is a list of mesoscale discussions concerning specific ongoing tornadoes. Convective mesoscale discussions are issued by the National Oceanic and Atmospheric Administration’s Storm Prediction Center based on the National Weather Center in Norman, Oklahoma.
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
An EF4 tornado with wind speeds ranging from 166 to 200 mph can cause devastating damage. Most to all walls on a well-built house will likely collapse, and high-rise buildings can sustain ...
Three tornadoes were confirmed in Kentucky by the NWS during severe storms on Tuesday, April 2. No additional tornadoes have occurred on April 3. April 3, 1974, tornadoes
Experts say 2024’s tornado outbreaks set it apart, even in a year full of extreme weather. The U.S. recorded the highest number of tornadoes in a decade.
As of Nov. 3, the United States had recorded 1,732 tornadoes, according to NOAA's Storm Prediction Center's preliminary tornado reports, a number far above the 14-year mean of 1,355.
The tornado downed many trees on the banks of the Mississippi River, where it lifted at 8:25 p.m. (0125 UTC) just northeast of exit 34 on Interstate 270. The tornado was rated a mid-grade EF3, with winds up to 150 mph (240 km/h). It was on the ground for 35 minutes, traveled 32.5 miles (52.3 km), and had a maximum path width of 1 mile (1.6 km).