Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA



SPACE WEATHER ADVISORY OUTLOOK #23-38

2023 September 17 at 6:39 p.m. MDT (2023 September 18 0039 UTC)



**** SPACE WEATHER OUTLOOK ****

Summary For September 11-17



R1 (Minor) radio blackouts were observed on 11-12 and 14-16 Sep. G1 (Minor) geomagnetic storms were observed on 12-13 Sep and G2 (Moderate) geomagneitc storms were observed on 12 Sep.



No other significant space weather was observed.



Outlook For September 18-24



G1 (Minor) to G2 (Moderate) geomagnetic storms are likely on 19 Sep.



No other significant space weather is 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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