Moderate geomagnetic storm forecast
G2 · Kp 6 · aurora possible to about 55° geomagnetic latitude
Aurora is possible north of the line, as far as Michigan and Montana.
The line is approximate: the forecast reach is to about 55° geomagnetic latitude.
Forecast: NOAA Space Weather Prediction Center. Geomagnetic model: IGRF-14 (IAGA). Outlines: Natural Earth, US Census Bureau (public domain)
A moderate solar storm is on its way, NOAA's forecasters say. Storms like this, rated G2 by NOAA, can push the aurora far from the poles: to about 55° geomagnetic latitude, which in North America is as far as Michigan and Montana. After dark, get away from city lights and look toward the pole; give your eyes 20 minutes, and try your phone's night mode, which often catches colors your eyes miss.
For the background, read Aurora: how far south and when in Sun & aurora.
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