Space weather refers to the changing conditions of the sun and space that can affect the technology we use on Earth. It can affect satellites — which control phones, Internet and TV. And it can affect the electric grid, leading to blackouts. Sudden bursts of elements from the sun’s atmosphere, along with solar flares, cause space weather here on Earth.
Visit the FEMA library to download more facts on Space Weather
Northern territories are at greater risk than areas farther south. Power outages due to space weather are very rare, but they have big effects.
The network that gets electricity from the power company to the consumer. It consists of power stations, transmission lines, and transformers.
A widespread loss of power
A sudden burst of radiation from the sun’s atmosphere
A result of changes in the continuous flow of solar particles and magnetic fields from the sun (or solar wind)
A stream of energized and charged particles flowing out from the sun, through the solar system, at speeds up to 900 km per second and at a temperature of 1 million degrees Celsius