Convective outflow boundaries, or gust fronts, are mesoscale cold fronts formed by cold, dense air spreading from thunderstorms, posing risks such as severe turbulence, low-level wind shear, and ...

If you look carefully at the radar graphic (above) from the day of the duck boat tragedy, you will see a line of deeper blue radar returns just ahead of the main storm complex. This is an outflow ...

CHICAGO (WLS) -- Have you heard of the term outflow boundary? It's a feature of a thunderstorm that we can see on Live Doppler 7 Max Radar, most often in the summer. On a radar image, you can see the ...

An outflow boundary, or gust front, is a mesoscale cold front formed by cold, dense air spreading outward from thunderstorm downdrafts, appearing as a tan dashed line on surface analysis charts. These ...

Have you heard your favorite WDRB meteorologist say "outflow boundary" (or just outflow or just boundary) when talking about storms? This post will help clear up what that is and what it is not.