G3 – Strong geomagnetic storm watch in effect for June 8 as CME heads toward Earth

Space Weather Prediction Center (SWPC) issued a G3 – Strong geomagnetic storm watch for June 8,…

G3 – Strong Geomagnetic Storm Watch issued for June 4 and 5 following three significant solar flares

A G3 – Strong geomagnetic storm watch means strong disturbances in Earth’s magnetic field are forecast,…

X1.0 solar flare erupts from geoeffective Region 4455

A third significant solar flare today erupted from geoeffective Active Region 4455 at 11:28 UTC on…

M9.3 and M7.7 solar flares erupt from AR 4455, launching Earth-directed CMEs

The flare originated from Region 4455, near the center disk in the Sun’s northern hemisphere, with a beta magnetic…

Brief S1 solar radiation storm observed after large far side CME

High-energy solar protons briefly reached S1 – Minor solar radiation storm levels on May 26, 2026,…

Earth-facing Region 4436 produces M1.9 solar flare and CME

A moderately strong solar flare measuring M1.9 erupted from geoeffective Active Region 4436 at 16:12 UTC…

G2 geomagnetic storm watch issued for May 15, aurora possible across northern U.S.

The forecast marks a shift from quiet to unsettled geomagnetic conditions on May 14 to expected…

M5.7 solar flare erupts from Region 4436, launches large CME from east limb

A Type II Radio Emission with an estimated velocity of 650 km/s was detected at 13:29…

M-class flare risk remains high from Regions 4420 and 4425 through April 29

Region 4420 produced three M-class flares on April 26 — an M1.4 flare at 14:03 UTC,…

Late April visibility window allows blue auroras over Arctic regions

Late April conditions across high-latitude regions are opening a narrow observational window for blue auroras, produced…