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A Stüve diagram is one type of thermodynamic diagram commonly used in weather analysis and forecasting. [ 1 ] This diagram has a simplicity in that it uses straight lines for the three primary variables: pressure , temperature and potential temperature .
The study’s authors argue that adjusting the EF5 wind speed threshold downward just 11 mph from 201 mph to 190 mph, or upgrading tornadoes with 190-200 mph estimated winds to EF5, would create a ...
One such high-precipitation supercell was first severe warned at 6:11 p.m. CDT (23:11 UTC); the National Weather Service office in Chicago, Illinois warned of winds up to 70 mph (110 km/h) and quarter- to golf ball-sized hail. [11] The weather forecast office upgraded the severe thunderstorm warning to a tornado warning at 6:35 p.m. CDT (23:35 ...
SPC storm reports for November 17, showing the extent of the tornado outbreak and subsequent wind event. With the overall upper-level system expected to track eastward across the United States High Plains on November 17, the SPC issued a slight risk for severe thunderstorm activity for an area surrounding the confluence of the Mississippi and Missouri rivers, valid for the early morning hours ...
The 2024 tornado season was one of the worst on record, with 1,855 tornadoes, including over 500 in May. The upcoming season is not expected to be as busy but could still finish above the ...
Completed Tornado Diagram. Tornado diagrams, also called tornado plots, tornado charts or butterfly charts, are a special type of Bar chart, where the data categories are listed vertically instead of the standard horizontal presentation, and the categories are ordered so that the largest bar appears at the top of the chart, the second largest appears second from the top, and so on.
The tornadoes were part of a larger system that wreaked havoc from Arkansas to Iowa and Illinois and moved into Tennessee by the evening. Nearly 60 preliminary tornado reports were sent to the ...
The Warn-on-Forecast run at 17z on May 21, 2024, showing a high probability of low-level updraft helicity near Adair County three hours before the Greenfield tornado formed. The research project was started in 2016 in the National Weather Center in Norman, Oklahoma. [5] On May 16, 2017, a deadly EF2 tornado struck Elk City, Oklahoma.