Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA



SPACE WEATHER ADVISORY OUTLOOK #25-25

2025 July 20 at 8:16 p.m. MDT (2025 July 21 0216 UTC)



**** SPACE WEATHER OUTLOOK ****



Summary For July 14-20


G1 (Minor) storm levels were observed on 14, 15, and 17 July. All due to CH HSS influences.



Outlook For July 21-27



No significant space weather storms are expected for 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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