####018000688#### WOXX13 KWNP 211346 ALTK04 Space Weather Message Code: ALTK04 Serial Number: 2433 Issue Time: 2024 Mar 21 1340 UTC ALERT: Geomagnetic K-index of 4 Synoptic Period: 1200-1500 UTC Active Warning: Yes www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska. # Issued by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Recent messages, data, and help at http://swpc.noaa.gov/alerts/ # Send questions to SWPC.Webmaster@noaa.gov