NOAA SWPC Space Weather Outlook #17-43 2017 October 23

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

SPACE WEATHER ADVISORY OUTLOOK #17-43
2017 October 22 at 9:40 p.m. MDT (2017 October 23 0340 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For October 16-22

R1 (Minor) radio blackouts were observed on 20 October due to flare activity from active sunspot Region 2685.

Outlook For October 23-29

G1 (Minor) geomagnetic storm levels are likely on 24-26 October with G2 (Moderate) levels likely on 25-26 Oct due to recurrent coronal hole high speed stream effects.

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