Forward-Flank Downdraft - Cold, dense air descending through the front of the storm Rear-Flank Downdraft - Cold, dense air descending through the back of the storm ...

The forward flank downdraft (often abbreviated FFD) forms from the rain-cooled air of the main downdraft hitting the surface and spreading out in all directions. This is called an outflow.

Forward flank downdraft: This carries precipitation forward, influenced by the jet stream. The mesocyclone and wall clouds. Central to the supercell is the mesocyclone, which can lower to form ...

These massive wind-producing thunderstorm complexes often come out of nowhere, creating devastating destruction.

Red zone (forward flank microburst): Covers large swaths of north and east Austin, where peak winds and destruction were concentrated. Yellow zone (rear flank downdraft): A slightly weaker path ...

Rear flank downdraft: This zone moved over downtown Austin with winds of 55 to 75 mph, ... Forward flank microburst: A stronger blast of wind moved through north, ...

The team focused on sampling the forward flank downdraft region and testing new Lagrangian drifters (picture captured by Danny Liebert) The Daily Camera staff writer, Cassa Niedringhaus connected with ...