July 19th and 20th, the arrival of a G1 geomagnetic storm following the early arrival of a CME originally expected on the 21st. Expect some nice auroras if you live in high latitudes, especially in the southern hemisphere. Meanwhile, take a gander at this, a picture of a stork's nest in Poland with a background in the sky of noctilucent clouds – see www.spaceweather.com
