🧊Polar Vortex

A large area of low pressure and cold air near the poles.

🌧️Precipitation

Any form of water falling from clouds to Earth's surface.

🧭Prevailing Winds

Winds that blow predominantly from one direction.

📡Radar

A system that uses radio waves to detect precipitation.

🌧️Rain

Liquid water droplets that fall from clouds.

💧Relative Humidity

The percentage of water vapor in the air relative to saturation.

🌊Sea Breeze

A coastal wind blowing from sea to land during the day.

⚠️Severe Weather

Any dangerous meteorological phenomenon.

🌨️Sleet

Frozen raindrops that fall as ice pellets.

❄️Snow

Ice crystals that fall from clouds as precipitation.

☀️Solar Radiation

Energy emitted by the sun that reaches Earth.

🔄Southern Oscillation

A periodic change in atmospheric pressure over the Pacific.

⏸️Stationary Front

A front that is not moving significantly.

🌊Storm Surge

A rise in sea level caused by a storm's winds.

🌫️Stratus Cloud

A low, flat, gray cloud layer.

☀️Sunshine

Direct sunlight reaching the ground without obstruction.

🗺️Synoptic Chart

A weather map showing conditions over a large area.

🌡️Temperature

A measure of the warmth or coldness of the air.

🌡️Thermometer

An instrument that measures temperature.

🔊Thunder

The sound caused by lightning heating the air.

⛈️Thunderstorm

A storm with lightning, thunder, and often heavy rain.

🌪️Tornado

A violently rotating column of air extending from a storm.

🌬️Trade Winds

Prevailing easterly winds in the tropics.

🌴Tropical Storm

A storm with organized thunderstorms and strong winds.

🌀Typhoon

A tropical cyclone occurring in the western Pacific.

☀️UV Index

A measure of the strength of ultraviolet radiation from the sun.

👁️Visibility

The distance at which objects can be clearly seen.

🔥Warm Front

A boundary where warm air rises over cold air.

🌦️Weather

The short-term state of the atmosphere including temperature and precipitation.

🎈Weather Balloon

A balloon carrying instruments to measure upper atmosphere conditions.