What is Arctic High?

The heating of the Earth by the sun causes daily changes in both the direction and speed of the wind. During the day, ground...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

A towering cloud that often reaches great altitudes and is associated with thunderstorms, heavy rain, and sometimes severe...

A weather warning means that a weather hazard is occurring, imminent, or likely. In other words, severe weather is happening...

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

A strong, downward wind caused by a localized column of air sinking rapidly, often resulting in damage similar to that caused...

A weather front where two air masses meet but neither is strong enough to move the other, often resulting in prolonged periods...

The jet stream forming the boundary between tropical air and sub-tropical air, characterized by isothermal compression and...

A cloud that develops from Cirrus, completely or partially covering the sky, creating a halo effect, thin, sheet-like, milky...

Anticyclones are areas of high atmospheric pressure that bring hot, dry weather in the summer and cold fronts in the winter.