Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #26-4
2026 January 25 at 6:50 p.m. MST (2026 January 26 0150 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For January 19-25
-G4 storming was observed on 19-20 Jan, G3 storming was observed on 20-21 Jan, G2 storming was observed on 21 Jan, and G1 storming was observed on 22 Jan following the arrival of the halo CME from18 Jan.
-S4 levels were observed on19 Jan, S2 levels were observed on 20 Jan, and S1 levels were observed on 21-22 Jan.
-R1 events were observed on19 and 21 Jan.
Outlook For January 26-February 1
-Periods of G1 storming are likely on 28 Jan due to CH HSS influences.
Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Services
and other observatories, universities, and institutions. More
information is available at SWPC's Web site http://swpc.noaa.gov
