Skip Navigation Links 
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
Space Weather Prediction Center

NOAA is celebrating 200 years of science, service, and stewardship. Visit the NOAA 200th celebration Web site to learn more. is the U.S. Government's official Web portal to all Federal, state, and local government Web resources and services.

Find us on Facebook

Top News of the Day:

2014-10-24 21:41 UTC  R3 (Strong) Radio Blackout in progress

We said it remained a threat and here it is, producing another R3 (Strong) Radio Blackout that at the time of this posting, is still on the climb.  The event began at 5:07pm EDT (2107 UTC) and is still going strong over 30 minutes later.  The main communications impacts from this event are over the Pacific Ocean.   In the meantime, forecasters remain vigilant to see if there is an associated coronal mass ejection.  As we learn more about this event we will update this space.

Website Change Ahead! (Updated 10/21/2014)

Due to performance issues observed during today's attempted deployment of SWPC's new website, we have delayed that deployment while investigating further. It is SWPC's goal to ensure the highest level of functionality and performance when the site change is made. Additional updates on schedule will be provided as they become available. When the site change is implemented and will link to the new website that is currently in final beta release at For full details, please see the new site.

New Space Weather Education and Outreach Resources - NOW AVAILABLE! Follow this link.
Sign up for Emails of Space Weather Alerts, Warnings, Watches, and Forecasts.

Current Space Weather Conditions

NOAA Scales Activity

Range 1 (minor) to 5 (extreme)
NOAA Scale
Geomagnetic Storms *
Solar Radiation Storms
Previous 24 hour S-scale value
Current S-scale value
Radio Blackouts
Previous 24 hour R-scale value

Space Weather Topics:
Alerts / Warnings, Space Weather Now, Today's Space Wx, Data and Products, About Us ,
Email Products, Space Wx Workshop, Education/Outreach, Customer Services, Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
Space Weather Prediction Center, W/NP9
325 Broadway, Boulder CO 80305
Page last modified: November 5, 2007


Privacy Policy

About Us

Career Opportunities