Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #25-48
2025 December 28 at 6:34 p.m. MST (2025 December 29 0134 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For December 22-28
-An R2 (Moderate) event was observed on 27 Dec.
-R1 (Minor) events were observed on 28 Dec.
-G1 (Minor) storming was observed on 22 Dec.
Outlook For December 29-January 4
-There is a chance for R1-R2 (Minor-Moderate) events through 04 Jan.
-There is a slight chance for R3 (Strong) or greater events through 04 Jan.
-There is a slight chane for S1 (Minor) storm levels through 04 Jan.
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