WARNING: Geomagnetic K-Index of 6 expected Valid From: 2025 Sep 01 2107 UTC Valid To: 2025 Sep 02 1459 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Issue Time: 2025 Sep 01 2108 UTC bit.ly/3wVgAKH

The CME arrived near 4:30pm EDT on 1 Sep, 2025, at the L1 orbital point - 1 million miles from Earth. It arrived at Earth very near 5:00pm EDT as noted by the GOES satellites’ magnetometers. Warnings will be issued as appropriate - so stay informed at spaceweather.gov

Beautiful red aurora now appearing in Greenland right after sunset. Looks strong! go.theauroraguy.com/webcams

Aurora is building over St. Petersburg in Russia. This is around the same geomagnetic latitude as the Twin Cities in Minnesota, USA. go.theauroraguy.com/webcams

Here is a current webcam shot from Lebedevka, Russia. Red aurora glow is moving higher in the sky. This is the same geomagnetic latitude as St. Louis, Missouri! theauroraguy.com/pages/webcams

Y si lo ayudamos??? Ronald Vega ofrece sus servicios como Profesor de Matemáticas en #Antofagasta

Well, that's the first one of the season in the bag. Lovely show of Aurora Borealis at St. Mary's Lighthouse tonight.

Here's the first webcam in the U.S. that will see aurora tonight. It's in Maine and currently has clear skies. What the aurora looks like on this cam (how high up it is, color, movement, etc.) will help if you live anywhere on the east coast and are trying to see the aurora.

Maine has a healthy glow starting! Let's go!! go.theauroraguy.com/webcams

The YouTube feed is a bit lower quality but is exposed better to see the green-purple gradient in the northern horizon band. It looks decent for now may grow stronger.

Update [1:35 UTC]: we are at minor to moderate (G1 to G2) storm level, still in the sheath region of the CME. Bz remains chaotic. It did briefly reach -24 nT, but soon turned positive. Europe has seen some aurora, reported down to 45°N in France. North America may be in for a

Some aurora high in the sky currently on this webcam in Cedarville, Michigan go.theauroraguy.com/webcams

Aurora starting to take off in the UP of Michigan. Jordan Hall is there capturing this even right now! Absolutely stunning #miwx

Beautiful, tall red pillars ongoing in Maine! theauroraguy.com/pages/webcams

Nice gently moonlit aurora pillars at 9:18 pm CDT/02:18 UTC Sep 2 from near Dixon, IL

Remarkable substorm during the 10pm hour near Lewisburg, Pennsylvania on the first night of meteorological fall! #PAwx

The Northern Lights showed up just north of Toronto tonight

Extraordinary view of the aurora tonight flying just south of Pittsburgh!

WOW