NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2016 December 25 at 9:30 p.m. MST (2016 December 26 0430 UTC)


Summary For December 19-25

G2 (Moderate) storm levels were observed on 21 Dec due to the onset of coronal hole effects.

G1 (Minor) Storm levels were observed on 22 Dec as coronal hole effects persisted.

Outlook For December 26-January 1

G1 (Minor) conditions are expected on 26 Dec due to coronal hole effects.

No other significant space weather is expected.

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.