Space Weather Message Code: WARK07 Serial Number: 41 Issue Time: 2013 Jun 29 0515 UTC WARNING: Geomagnetic K-index of 7 or greater expected Valid From: 2013 Jun 29 0515 UTC Valid To: 2013 Jun 29 1000 UTC Warning Condition: Onset NOAA Scale: G3 or greater - Strong to Extreme 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.
Posted on: Sat, 29 Jun 2013 06:22:59 +0000
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