Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA



SPACE WEATHER ADVISORY OUTLOOK #23-50

2023 December 17 at 8:27 p.m. MST (2023 December 18 0327 UTC)



**** SPACE WEATHER OUTLOOK ****


Summary For December 11-17


G1 (Minor) geomagnetic storm condtiions were observed on 17 Dec in response to CMEs that left the Sun over 14-15 Dec.



R1-R3 (Minor-Strong) events were observed on 14 Dec due to activity from Region 3514.



R2 (Moderate) events were observed on 15 Dec from Region 3514.



R1 (Minor) conditions were reached on 17 Dec from Region 3514.



S1 (Minor) conditions were observed over 15-16 Dec due to activity from Region 3514.



No other space weather storms were observed during the summary period.







Outlook For December 18-24



G1 (Minor) is expected early on 18 Dec due to CME influence.



No other space weather storms are expected during the outlook period.



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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