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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. These bulletins are levels of severity of the solar activity that can be expected to impact the Earth’s environment.
2 days ago · Between 11 UTC yesterday and 11 UTC today, the sun produced the six Ms plus 11 C flares. The largest event was an M2.5 flare from the unnumbered active region over the sun’s southeast limb...
6 days ago · ALERT: Type II Radio Emission. Begin Time: 2024 Jul 04 1427 UTC. Estimated Velocity: 815 km/s. Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Solar flares. The plot on this page shows us the most recent 24-hour solar X-ray data from the primary GOES satellite. You can zoom in on this plot by selecting a time period that you wish to view and even export the graph as a JPG, PDF, SVG or PNG file.
Jul 17, 2023 · Scientists warn that there could be a powerful solar flare today after flares on Sunday caused radio blackouts.
May 11, 2024 · An unusually strong solar storm hitting Earth could produce northern lights in the U.S. and potentially disrupt power and communications this weekend. The National Oceanic and Atmospheric Administration issued a rare severe geomagnetic storm warning Friday.
Jun 25, 2024 · June 25, 2024. In May, the National Oceanic and Atmospheric Administration issued a watch for a possible solar storm. A gigantic cluster of spots on the sun was flaring and expelling material ...
May 14, 2024 · A monster sunspot on the sun's surface just won't quit, erupting yet again this week with a whopping X8.7-class solar flare on Tuesday (May 14).
Feb 26, 2024 · The X6.3 flare was the largest of the three X-class flares that occurred in the past 24 hours, and the strongest of this solar cycle. While impressive, this event still poses no significant threat to the general public. Stay up to date with the latest forecast discussions at https://www.swpc.noaa.gov/products/forecast-discussion.
SWPC currently forecasts the probability of C, M, and X-class flares and relates it to the probability of an R1-R2, and R3 or greater events as part of our 3-day forecast and forecast discussion products. SWPC also issues an alert when an M5 (R2) flare occurs.
