4 days ago · HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact. Navigation: Low-frequency navigation signals degraded for brief intervals.

Beginning February 6, 2025, the Space Weather Prediction Center is presenting new coronagraph images from the GOES-19 Compact Coronagraph-1 (CCOR-1).

In 2009, Newell et. al., developed the OVATION model. In 2011, NOAA (NCEI and SWPC) developed a real-time version of the OVATION model to forecast the location and intensity of the aurora.

This is a prediction of the intensity and location of the aurora borealis tonight and tomorrow night over North America. It also shows a 'viewline' that represents the southern-most locations from which you may see the aurora on the northern horizon.

4 days ago · This chart updates every minute. The Estimated 3-hour Planetary Kp-index is derived at the NOAA Space Weather Prediction Center using data from the following ground-based magnetometers: Sitka, Alaska; Meanook, Canada; Ottawa, Canada; Fredericksburg, Virginia; Hartland, UK; Wingst, Germany; Niemegk, Germany; and Canberra, Australia.

Similar to the bulletins put out by the NWS local forecast offices, SWPC provides Alerts, Watches and Warnings to the public at large about what to expect from Space Weather.

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This product is designed to be a one page, simple look at recently observed and a three day forecast of space weather conditions. A brief description of why conditions occurred or are forecast is also included for each category.

With a broad range of user groups that range from the aviation community, to satellite programs, to general enthusiasts like pigeon racers and aurora watchers, SWPC’s web page offers each of these user groups a dashboard specific to the data sets and information that affects them.

4 days ago · HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact. Navigation: Low-frequency navigation signals degraded for brief intervals.