Had an example where the lightning jump detection algorithm and the pGLM flash extent density did an excellent job of capturing rapid intensification of a new cell (the one on the right) in the southern part of our CWA. The lightning jump detection algorithm had a 4-5 sigma jump at the same time that the flash extent density showed a nice cluster of flashes.These features are seen at the very end of the gif loop below. Just a quick color map note: the default color map for the pGLM data looked the best for the high flash rates. The other two color maps were too messy to be of use.
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When we noticed this, we quickly looked at All Tilts base data and observed a Zdr column extending well above the freezing level. Using these two pieces of information we issued a warning on the storm. Shortly after, ProbSevere and MRMS MESH/Z above -20 increased rapidly.
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Ertel/Regina Phalange
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