NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2017 September 3 at 11:52 p.m. MDT (2017 September 4 0552 UTC)


Summary For August 28-September 3

G1 (Minor) geomagnetic storm levels were observed on 31 August and 02 September due to coronal hole high speed stream effects.

Outlook For September 4-10

There is a chance for R1-R2 (Minor-Moderate) radio blackouts for 04-10 September due to potential significant flare activity from active sunspot Regions 2673 and 2674.

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.