NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2015 September 13 at 11:40 p.m. MDT (2015 September 14 0540 UTC)


Summary For September 7-13

G1 (Minor) geomagnetic storm levels occurred on 07, 09, and 11 September with G2 (Moderate) levels on 07, 08, 09, 11 September and G3 (Strong) levels on 11 September due to a combination of coronal hole high speed streams and coronal mass ejection effects.

Outlook For September 14-20

The geomagnetic field is likely to reach G1 (Minor) geomagnetic storm levels on 15 September due to coronal hole high speed stream effects.

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.