[W2CRA] (fwd) WARNING: Geomagnetic K-index of 7 or greater (G3 or Greater)

[William Powell]

On 27 Sep 2022 02:19:20 +0000, "SWPC Product Subscription Service" <SWPC.Products at noaa.gov> wrote:

>Space Weather Message Code: WARK07
>Serial Number: 83
>Issue Time: 2022 Sep 27 0218 UTC
>
>WARNING: Geomagnetic K-index of 7 or greater expected
>Valid From: 2022 Sep 27 0217 UTC
>Valid To: 2022 Sep 27 0900 UTC
>Warning Condition: Onset
>NOAA Scale: G3 or greater - Strong to Extreme
>
>NOAA Space Weather Scale descriptions can be found at
>www.swpc.noaa.gov/noaa-scales-explanation
>
>Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
>Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
>Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
>Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
>Radio - HF (high frequency) radio may be intermittent.
>Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
>
>Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to: https://pss.swpc.noaa.gov. Please do not use the from address for correspondence, as it is not monitored. For comments or help, please contact us: pss.help at noaa.gov.

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