For this symbol to be displayed, the data must meet a certain duration, magnitude, and vertical depth. However, mesocylcone is a radar data term. Many consider a storm to have a meso when they see it rotating, such as in a supercell. The diameter of this rotation can range from 2-6 miles, much larger than the size of any possible tornado that could develop from it. When a large, rotating column of air is located within a thunderstorm, it is referred to as a mesocyclone. The Meso icon is a circle with arrows moving in a counterclockwise (cyclonic) direction. The largest diameter (7.9 inches) hailstone on record fell on July 23, 2010, in Vivian, South Dakota. A thunderstorm will be classified severe when it produces hail larger than 1 inch in diameter. It is this number that leads to the estimated size of hail stones.ĭamage from hailstorms can be devastating to crops, animals, roofs, automobiles and more. When the VIL is divided by the height of the storm, VIL Density is the outcome. The Vertically Integrated Liquid (VIL) product, which gives a liquid content value dependent on the distribution of raindrops and the reflectivity signal, can help determine hail size. Storms with strong updrafts are capable of having larger hail. When RadarScope users issue mPING reports of the hail they see on the ground, this helps refine the algorithm so it performs better over time. The algorithm to detect hail uses dual-polarized data to decipher between large raindrops and hail. The Hail icon is identified as a circle within another circle. You now see three new symbols, depending on the strength of the storm. When you turn on storm tracks, more than just a square with a line showing storm motion appears on your display. RadarScope 3.3 added storm attributes to the list of data that you can now display. If you are wondering what they mean, you’ve come to the right place!
If you have downloaded the most recent version of the RadarScope mobile app, you probably noticed new storm attributes are available. WeatherSentry® Pavement Forecast Edition.WeatherSentry® Airport Operations Edition.
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