RE: Atmospheric Phenomena

Question: How does a tidalwave affect the atmosphere?

Let's first look at how tidal waves form. It takes a lot of energy to produce a
tidal wave. Nearly all tidal waves are associated with earthquakes or
volcanic eruptions, events that cause the earth's crust to move. Energy from this movement creates a displacement
wave in the water - rather like creating waves in a pond by slightly
moving your hand along the surface.

So far we have nothing that specifically affects the atmosphere.

The waves then travel out from their point of origin. In deep water you
probably wouldn't notice a tidal wave passing as the wall of displaced water
is as deep as the ocean (again, no significant atmospheric effects). When
the water becomes shallow, the wave begins to creep along the bottom, rising off the ocean
floor, forming the 'tidal wave.' Though the damage can be severe, it is unlikely to have significant
effects on the atmosphere except perhaps the destruction of a city might alter the levels of
heat/condensation around the area. You would more likely have atmosphereic effects at the site
of origin from the event that caused the tidal wave - an eruption, e.g.

-Nick