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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 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.
The lifted index can be used in thunderstorm forecasting, however, convective available potential energy (CAPE) is considered by most as a superior measurement of instability and is preferred by many meteorologists for convection forecasting. [1]
The end of April 2021 marks an entire decade since a severe weather event that the National Weather Service called "one of the most active, destructive, and deadly" in U.S. history for tornadoes ...
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.
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 ...
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 Baron Tornado Index (BTI), also called Vipir Tornado Index (VTI) is a meteorological computer model. Its main usage is to determine the probabilities of a tornado inside a Tornadic Vortex Signature on the rear flank of a storm, to better alert potential high-risk areas for tornadoes and to easily track them.