Homepage | NOAA / NWS Space Weather Prediction Center Space Weather Conditions on NOAA Scales 24-Hour Observed Maximums no data no data no data Latest Observed no data no data no data R1-R2 -- R3-R5 -- S1 or greater -- no data R1-R2 -- R3-R5 -- S1 or greater -- no data R1-R2 -- R3-R5 -- S1 or greater -- no data no data no data no data Current Space Weather Conditions on NOAA Scales R1 (Minor) Radio Blackout Impacts 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. More about the NOAA Space Weather Scales Solar Wind Speed: km/sec Solar Wind Magnetic Fields: Bt nT, Bz nT Noon 10.7cm Radio Flux: sfu CCOR-1 Captures Comet C/2026 A1 published: Tuesday, April 07, 2026 13:31 UTC 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 an... Aurora Timeline Viewer Product Unavailable Until Further Notice published: Friday, April 03, 2026 17:58 UTC While the Aurora Timeline Viewer Product is unavailable, please refer to the official and operational 3-Day Forecast. ... Registration Open for 2026 Space Weather Workshop published: Wednesday, March 18, 2026 13:32 UTC 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. ... Eclipse Season for GOES Satellites is Here published: Tuesday, March 10, 2026 14:54 UTC It's that time of year known as eclipse season for NOAA GOES satellites. The Earth will have more visual impacts on imagery, especially for GOES-19 CCOR-1 during this time of year. ... Serving Essential Space Weather Communities Aurora Aviation Electric Power Emergency Management Global Positioning System (GPS) Radio Communications Satellites Space Weather Enthusiasts The Sun (EUV) The Aurora Coronal Mass Ejections GOES X-Ray Flux GOES Proton Flux Planetary K Index Updated Time: NOAA Scales Geomagnetic Storms Kp < 5 Kp = 5 (G1) Kp = 6 (G2) Kp = 7 (G3) Kp = 8, 9- (G4) Kp = 9o (G5)