Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA



SPACE WEATHER ADVISORY OUTLOOK #23-29

2023 July 17 at 12:35 a.m. MDT (2023 July 17 0635 UTC)



**** SPACE WEATHER OUTLOOK ****



Summary For July 10-16


R1 (Minor) radio blackouts occurred on 10-16 Jul due to flaring activity from Regions 3361, 3366, 3367, 3368, and 3372.



R2 (Moderate) radio blackouts occurred on 11-12 Jul due to flaring activity from Regions 3368 and 3372.



S1 (Minor) solar radiation storming occurred on 16 Jul due to significant flare activity just beyond the western limb of the Sun.



G1 (Minor) geomagnetic storm levels occurred on 16 Jul, likely due to the arrival of a CME that left the Sun on 14 Jul.



Outlook For July 17-23



R1-R2 (Minor-Moderate) radio blackouts are likely to continue on 17-23 Jul.



G1 (Minor) geomagnetic storm levels are likely on 17-18 Jul due to activity from the 14 and 15 Jul CMEs.



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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