What is Humidity?

A line of severe thunderstorms that can form along or ahead of a cold front, often producing strong winds and heavy rain.

An instrument for measuring atmospheric pressure.

Any form of water - liquid or solid - that falls from the atmosphere to the Earth's surface, including rain, snow, sleet,...

A bomb cyclone is a large mid-latitude storm that forms when a storm’s central pressure drops (i.e. “bombs out”), resulting...

A very cold high pressure that originates over the Arctic Ocean.

A strong wind typically ranging from 34 to 40 knots (39 to 46 miles per hour) and often associated with rough seas and stormy...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

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

A type of low-altitude cloud that forms in uniform layers, often covering the entire sky and producing overcast conditions.

A term used to identify clouds with a base height below 6,000 feet in the observer's direction. Stratiform clouds consist...