A Coronal Mass Ejection (CME) arrived at Earth on 10 October. The CME signature was observed in the solar wind beginning at 10/1434 UTC. A sudden impulse of 56 nT was then recorded at the Niemegk, ...
SWPC has issued a G2 (Moderate) geomagnetic storm Watch for 11 Oct 2026. The Watch covers the expected arrival of two coronal mass ejections (CMEs) that left the Sun on 07 and 08 Oct. The 08 Oct CME ...
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.
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.
G2 (Moderate) geomagnetic storm watches have been issued for 17-18 Apr, 2026 due to anticipated CH HSS effects.
Comet C/2026 A1 (MAPS) entered the NOAA CCOR-1 instrument field of view over the weekend. The comet does not appear to have survived its close approach to the Sun and likely disintegrated into dust ...
Solar activity reached high levels on 30 March 2026 with the observation of an X1.4 flare from Region 4405 (S27E44, Eao/beta-gamma). The event peaked at 0319 UTC and resulted in an R3 (Strong) Radio ...
A G2 (Moderate) Geomagnetic Storm Watch has been issued for 19 Mar 2026 (UTC day) due to the arrival of CMEs that left the Sun on 16 Mar. For more information, see ...
Required system maintenance on Monday, 9 March, will likely result in some data outages or interruptions. The primary window of most data outages or interruptions is for about one hour from 9:30am to ...
G2 geomagnetic storm levels reached, likely associated with a coronal hole high speed stream. Winds exceeding 700 km/s (over 1.6 million mph) have been observed at L1. Monitor our website for updates.
The 2026 Space Weather Workshop will be held in person along with a virtual component, April 27th - May 1st, 2026 in Boulder, CO at the Embassy Suites by Hilton Boulder. This meeting brings together ...
An impulsive X4.2 flare occurred at 04/1213 UTC from Region 4366. No CME signatures have been identified in imagery at this time. Stay tuned for updates.
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