![Thunderstorms What are they? - Air mass thunderstorms (ordinary) this is a thunderstorm produced by local convection within a conditionally unstable air mass. Often form in the afternoon when there is maximum heating at the surface. Rarely reach severe ... Thunderstorms What are they? - Air mass thunderstorms (ordinary) this is a thunderstorm produced by local convection within a conditionally unstable air mass. Often form in the afternoon when there is maximum heating at the surface. Rarely reach severe ...](https://www.atmos.illinois.edu/~snodgrss/thunderstorms_files/image024.jpg)
Thunderstorms What are they? - Air mass thunderstorms (ordinary) this is a thunderstorm produced by local convection within a conditionally unstable air mass. Often form in the afternoon when there is maximum heating at the surface. Rarely reach severe ...
![Geopotential at 500 hPa (left); Lifted Index and CAPE values (right)... | Download Scientific Diagram Geopotential at 500 hPa (left); Lifted Index and CAPE values (right)... | Download Scientific Diagram](https://www.researchgate.net/profile/Istrate-Vasilica/publication/305263480/figure/fig1/AS:383318773256193@1468401725370/Geopotential-at-500-hPa-left-Lifted-Index-and-CAPE-values-right-for-1200-UTC-9_Q640.jpg)