NOAA SWPC Space Weather Outlook #21-42 27 September 2021

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

SPACE WEATHER ADVISORY OUTLOOK #21-42
2021 September 26 at 8:34 p.m. MDT (2021 September 27 0234 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For September 20-26

R1 (Minor) Radio Blackouts were observed on 23 Sep.

No other space weather storms were observed during the summary period.

Outlook For September 27-October 3

G2 (Moderate) conditions are likely on 27 Sep due to coronal hole/transient influence.

No other space weather storms are expected during the outlook period.

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