Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA
SPACE WEATHER ADVISORY OUTLOOK #25-42
2025 November 16 at 8:10 p.m. MST (2025 November 17 0310 UTC)
**** SPACE WEATHER OUTLOOK ****
Summary For November 10-16
R1 (Minor) radio blackouts were observed on 10, 11, 14 and 16 Nov.
R2 (Moderate) radio blackouts were observed on 10, 11 and 14 Nov.
R3 (Strong) radio blackouts were observed on 10, 11 and 14 Nov.
S1 (Minor) proton storms were observed on11, 12, 13 and 14 Nov.
S2 (Moderate) proton storms were observed on 11, 12 and 13 Nov.
S3 (Strong) proton storms were observed on 12 Nov.
G1 (Minor) geomagnetic storms were observed on 12 and 13 Nov.
G2 (Moderate) geomagnetic storms were observed on 12 and 13 Nov.
G3 (Stromg) geomagnetic storms were observed on 12 and 13 Nov.
G4 (Severe) geomagnetic storms were observed on 12 Nov.
No additional significant space weather was observed.
Outlook For November 17-23
R1 (Minor) radio blackouts are likely on 17 Nov.
G1 (Minor) geomagnetic storms are likely on 17 Nov.
No additional significant space is expected.
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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