 meeru sudigaalai balaanni elaa rete chestaaru 
 sudigaalai yokka balaanni raetimg cheyadanki anek pramaanaalu unnayi . Fujita  scale tornadolanu sambhavinchee nastanni batti rete chesthundu mariyu konni deeshalaloo naveekarinchabadina merugaina  Fujita  scale dwara bhartee cheyabadindhi . F0  ledha  EF0  sudigaalai ,  balaheenamaina vargham ,  chetlanu debbateestundi ,  conei gananiyamaina nirmaanaalanu kadhu . F5  ledha  EF5  sudigaalai ,  balamaina vargham ,  bhavanaalanu vaati punaadulanu cheelchivestundi mariyu peddha aakaasaharmyaalanu vikrutam chesthundu .
 ilanti  TORRO  scale chaaala balaheenamaina tornadola choose  T0  nundi athantha saktivantamaina telisina sudigaalai choose  T11  varku umtumdi .
 doppler radar deetaa ,  photogrammetry mariyu grounded swirl namuunaalu  ( trocoidal markulu )  kudaa thivrathanu gurthinchadaaniki mariyu raetimg ‌ nu ketaayinchadaaniki vislaeshinchabadavachchu .
 muulam : https://en.wikipedia.org/wiki/Tornado