NOAA SWPC Space Weather Advisory Outlook #15-25

Official Space Weather Advisory issued by NOAA Space Weather Prediction Center

Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #15-25

2015 June 21 at 9:30 p.m. MDT (2015 June 22 0330 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For June 15-21

Several R1 (minor) radio blackouts were observed on 18, 20 and 21 June from Regions 2365, 2367 and 2371.

S1 (minor) solar radiation storms were observed on 18-19 June and again on 21 June as a result of significant flare activity from Regions 2365 and 2367 respectively.

Outlook For June 22-28

R1-R2 (minor to moderate) radio blackouts are expected from complex Regions 2367 and 2371.

S1-S2 (minor to moderate) solar radiation storms are expected from 22-24 June.

G1-G3 (minor to strong) geomagnetic storms are expected on 22-23 June as effects from 3 coronal mass ejections impact Earth.

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