NOAA SWPC Space Weather Outlook #21-24 31 May 2021

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

SPACE WEATHER ADVISORY OUTLOOK #21-24
2021 May 30 at 9:01 p.m. MDT (2021 May 31 0301 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 24-30

G1 (Minor) geomagnetic storm levels were observed on 26 May due to CME activity from 22-23 May.

S1 (Minor) solar radiation storm conditions were observed on 29 May associated with a C9/1f flare at 28/2313 UTC from Region 2824.

Outlook For May 31-June 6

There is a slight chance for G1 (Minor) geomagnetic storm levels on 01-02 Jun due to a potential glancing blow from a CME observed on 28 May.

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