Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA



SPACE WEATHER ADVISORY OUTLOOK #25-46

2025 December 14 at 10:04 p.m. MST (2025 December 15 0504 UTC)



**** SPACE WEATHER OUTLOOK ****

Summary For December 8-14



- Periods of G2 (Moderate) storming were observed on 10-11 Dec.

- G1 (Minor) storms were observed on 11,12 and 13 Dec.

- An R3 (Strong) event was observed on 08 Dec.

- R1 (Minor) events were observed on 09-12 Dec. 



Outlook For December 15-21



- G1 (Minor) storms are likely on 18 Dec.

- There is a chance for R1/R2 (Minor-Moderate) events on 15-21 Dec. 



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

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