NOAA SWPC Space Weather Advisory Outlook #15-20

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

SPACE WEATHER ADVISORY OUTLOOK #15-20

2015 May 17 at 10:12 p.m. MDT (2015 May 18 0412 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For May 11-17

Category G1 (Minor) and G2 (Moderate) geomagnetic storms were observed on 13 May due to effects from a negative polarity coronal hole high speed stream.

Outlook For May 18-24

No space weather storms are expected.

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