NOAA / Space Weather Prediction Center

sun earth drawing

Space Weather Advisories

Home Page


The Space Weather Prediction Center (SWPC) is the Nation's official source of space weather alerts and warnings for disturbances that can affect people and equipment working in the space environment. SWPC implemented the Space Weather Advisory service to provide "plain language" advice for our customers and keep them abreast of current and expected space weather information .

Space Weather Advisories

Space Weather Outlooks
Issued every Monday (Tuesday before 3/19/2012) and provide general descriptions of conditions during the past week and an outlook for the next 7 days.
Space Weather Alerts and Warnings Space Weather Alerts and Warnings are issued when a significant space weather event; is imminent, is likely, has been observed, is in progress, or has ended.

The Space Weather categories used in the Advisory products are explained at NOAA space weather scales.

Space Weather Advisories are available here as soon as they are issued. Advisories are also distributed via email through the SWPC Product Subscription Service.

Data used to provide space weather services are contributed by NOAA, USAF, NASA, NSF, USGS, the International Space Environment Services and other observatories, universities, and institutions.

More information is available at SWPC's Web site

Updated: October 5, 2012