We found one dictionary that defines the word squall-line thunderstorm:

Tech (1 matching dictionary)

1. Glossary of Meteorology (No longer online)

▸ Words similar to squall-line thunderstorm ▸ Usage examples for squall-line thunderstorm ▸ Idioms related to squall-line thunderstorm ▸ Wikipedia articles (New!) ▸ Words that often appear near squall-line thunderstorm ▸ Rhymes of squall-line thunderstorm ▸ Invented words related to squall-line thunderstorm