We measured vertical winds of two hundred miles per hour right above the vehicle.
Our plane could never have withstood the vertical winds within the funnel but we could easily outrace the zigzag pattern of the twister.
However it quickly dissipated due to vertical wind shear.
Due to the rugged terrain, local vertical winds with daily periods are present.
It barely reached typhoon status on July 20 in an environment of relentless east to northeasterly vertical wind shear.
Where the tunnel turned abruptly vertical the wind could support a man with wings.
Despite relatively unfavorable vertical wind shear impacting Colin, deep thunderstorm activity developed atop its center of circulation.
At this time convection detached from the disturbance's low level circulation center, whilst vertical wind shear around the system remained weak.
Tropical Depression 07W dissipated on September 6 due to vertical wind shear.
This interfered with the functioning of the storm, inhibiting its ability to vent vertical winds from the top of its chimneylike eye wall.