Теорія:

To speak about disasters, you need the appropriate vocabulary. Part 3
 
66541.ngsversion.1422283840877.jpg
 
Gust - a strong current of air;

Hail - precipitation of ice pellets;

Hailstorm - a storm during which hail falls;

High-pressure - aggressively and persistently persuasive;

Iceberg - a large mass of ice floating at sea;

Lack - the state of needing something that is absent or unavailable;

Lava - rock that in its molten form issues from volcanos;

Low-pressure - not forceful;

Magma - molten rock in the earth's crust;

Mountain - a land mass that projects well above its surroundings;

Nimbus - a dark grey cloud bearing rain;

Permafrost - ground that is permanently frozen;

Rainstorm - a storm with rain;

Sandstorm - a windstorm that lifts up clouds of dust or sand.
 
Examples:

A sudden gust of wind blew his umbrella inside out.

The Matterhorn is one of the biggest mountains in Europe.

Have you ever faced with permafrost?
Джерела:
environment.nationalgeographic.com