Bounded weak echo region
Videos
The bounded weak echo region, also known as a BWER or a vault, is a radar signature within a thunderstorm characterized by a local minimum in radar reflectivity at low levels which extends upward into
BWER associated with a tornadic supercell in 2006, as seen from different elevation angles. The lower angles (upper left) shows a weaker area of reflectivity but not at higher levels.
Supercell
Videos
A supercell is a thunderstorm characterized by the presence of a mesocyclone, a deep, persistently rotating updraft. Due to this, these storms are sometimes referred to as rotating thunderstorms. Of t
A low precipitation supercell in rural Northeast Colorado.
Supercell with a strong Mesocyclone in North texas.
Supercell in Piracicaba, southeastern Brazil, on June 27, 2025, featuring a mesocyclone, a tail cloud, and a developing downdraft/rain curtain on the left.
A low precipitation supercell near Greeley, Colorado