it's a "localized column of sinking air (downdraft) within a thunderstorm" so... both kinda? It's not really rotational, so calling it a reverse tornado is misleading, but its a strong movement of air that can carry water with it... or sometimes it can be dry.
I experienced a lot of those 'dry' microbursts in the Mojave during storms.
I experienced a lot of those 'dry' microbursts in the Mojave during storms.