CME Impact sparks G1 - Minor Geomagnetic Storm - July 2, 2017

G1 geomagnetic storm in progress.

A weak coronal mass ejection (CME) observed on June 28th delivered a glancing blow to our geomagnetic field on July 2nd.

Planetary K-Index of 5.

Minor geomagnetic disturbance at higher latitudes. Skywatchers should be alert for visible auroras.

http://www.solarham.net/

http://www.spaceweather.com/

Clips, images credit: NASA/SDO & NOAA/SWPC

• Solar Wind Speed: 468 km/sec

• Solar Wind Magnetic Fields: Bt 9 nT, Bz 3 nT

• http://www.swpc.noaa.gov/