NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center Boulder, Colorado, USA

2017 December 3 at 5:18 p.m. MST (2017 December 4 0018 UTC)


Summary For November 27-December 3

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

Outlook For December 4-10

G1 (Minor) geomagnetic storms are likely on 04-06 Dec with G2 (moderate) geomagnetic storms likely on 04-05 Dec due to CH HSS effects.

No additional significant space weather is expected during the outlook period.

For current space weather conditions see: Space Weather Now, Today's Space Weather and Space Weather Alerts

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. For more information, including email services, see SWPC's Space Weather Advisories Web site or (303) 497-5127.

NOAA Space Weather Scales - Description of catagories used in Outlooks.