NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

SPACE WEATHER ADVISORY OUTLOOK #17-30
2017 July 23 at 9:20 p.m. MDT (2017 July 24 0320 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For July 17-23

G2 (Moderate) Geomagnetic Storm conditions were observed on 17 July due to CME effects.

G1 (Minor) Geomagnetic Storm conditions were observed on 22 July due to coronal hole influence.

No other significant space weather storms were observed

Outlook For July 24-30

No space weather storms are expected for the outlook period.

For current space weather conditions see: Space Weather Now, Today's Space Weather and Space Weather Alerts


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. For more information, including email services, see SWPC's Space Weather Advisories Web site http://swpc.noaa.gov/advisories or (303) 497-5127.


NOAA Space Weather Scales - Description of catagories used in Outlooks.