The downdraft in an ordinary thunderstorm is created mainly by
a. the melting of snow in the anvil.
b. electrical attraction between the cloud and ground.
c. the release of latent heat as water in the cloud freezes.
d. evaporating raindrops that make the air cold and heavy.
e. upper level wind motions.
Question 2
Thunderstorms that produce tornadoes
a. have very little cloud-to-ground lightning.
b. have updraft velocities that exceed 100 miles per hour.
c. have rotating updrafts.
d. will not produce hail.
e. do not exist.
Snow Leopard - Showing teeth at Taronga Zoo, Australia
Snow Tunnel
fter J. M. W. Turner, Snow Storm: Steamboat off a Harbor's Mouth (1842), engraved by R. ...
Distribution and Forms of Precipitation: Snow
Large areas of permafrost are melting
Polar Bear (Ursus maritimus) mother with cub in snow. Churchill, Canada.