NOAA / Space Weather Prediction Center

SWPC Space Weather Advisory

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

2016 July 17 at 9:18 p.m. MDT (2016 July 18 0318 UTC)


Summary For July 11-17

G1 (Minor) geomagnetic storm levels were observed on 12 July due to coronal hole high speed stream activity.

Outlook For July 18-24

There is a chance for R1-R2 (Minor-Moderate) radio blackouts for the forecast period due to potential significant flare activity from active sunspot Regions 2565 and 2567.

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 or (303) 497-5127.

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