We found one dictionary that defines the word pop-up thunderstorm:

Tech (1 matching dictionary)

1. Glossary of Meteorology (No longer online)

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