FIREWHIRL

A tornado-like rotating column of fire and smoke created by intense heat from a forest fire or volcanic eruption.
Found on http://www.weather.com/glossary/f.html

Firewhirl

A tornado-like rotating column of fire and smoke created by intense heat from a forest fire or volca
Found on http://www.superglossary.com/Glossary/Science/Weather/
No exact match found