a___
avalanche
f___ f___
flash flood
s___
sandstorm
t___
typhoon
e___
earthquake
a___ r___
acid rain
s___ d___
snow drift
v___ e___
volcano eruption
t___ w___ / t___
tidal wave / tsunami
b___
blizzard
h___ / t___
hurricane / tornado
l___
landslide
d___
drought
h___
hailstorm
t___
thunderstorm
f___ f___
forest fire
f___ w___
fire whirl
l___
lightning
s___
smog
f___
flood