NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2017 October 1 at 9:42 p.m. MDT (2017 October 2 0342 UTC)


Summary For September 25-October 1

G2 (Moderate) geomagnetic storm conditions were observed on 27 Sep due to the onset of coronal hole influence.

G3 (Strong) geomagnetic storm conditions were observed on 28 Sep due to continued coronal hole influence.

No other significant space weather was observed during the summary period.

Outlook For October 2-8

No siginificant space weather is expected for 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.