@PoliteandNaughty they're a type of lightning that only forms on anvil head clouds. They get the name because the cumulonimbus clouds hit the tropopause and flatten out. It's typically in bad weather and anvil crawlers instead of flashing and snapping the light crawl across the clouds. Hence the name. They'll spread out like spiderwebs slowly then lightning flashes back along the path the crawler made. It almost mirrors a cytokine storm in your brain or circulation XD
Yes stopped sweating headache mild dizziness could be nauseas they gave us safety lessons at school about watching for symptoms and always stay in the shade when its scorching