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 26 at 10:48 p.m. MDT (2017 March 27 0448 UTC)


Summary For March 20-26

G1 (Minor) geomagnetic storm levels were observed on 21-22 March due to positive polarity coronal hole influence.

Outlook For March 27-April 2

G1 (Minor) geomagnetic storm levels are likely on 27-31 March with G2 (Moderate) geomagnetic storm levels likely on 28-29 March due to activity associated with a negative 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.