During an approaching gravity storm, the first symptom people feel
is sluggishness. This triggers the panic response that sends them
running to gravity shelters. Within a short time, the heaviness grows
Until a person becomes incapable of any movement. As the weight of
all objects in the path of the gravity storm increases, the sky grows
ominously black, shooting violent scarlet bolts that strike the ground.
This is when most objects, Including people who are not protected by
a gravity shelter, increase in density and are crushed under their own
weight Perhaps most unnerving is the gravity storm's eerie silence.
Even sound waves get crushed.