NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2017 March 19 at 9:23 p.m. MDT (2017 March 20 0323 UTC)


Summary For March 13-19

No space weather storms were observed.

Outlook For March 20-26

G1 (Minor) geomagnetic storm levels are likely on 23 March due to activity from a recurrent positive polarity coronal hole high speed stream.

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.