NOAA SWPC Space Weather Outlook #17-36 2017 September 4

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

SPACE WEATHER ADVISORY OUTLOOK #17-36
2017 September 3 at 11:52 p.m. MDT (2017 September 4 0552 UTC)

**** SPACE WEATHER OUTLOOK ****

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.

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. More  information is available at SWPC’s Web site http://swpc.noaa.gov