Riceviamo dal NOAA e rilanciamo: WARNING: Proton 10 MeV Integral Flux above 10 pfu expected (S1 or Greater)Space Weather Message Code: WARPX1 Serial Number: 401 Issue Time: 2013 Sep 30 0446 UTC WARNING: Proton 10MeV Integral Flux above 10pfu expected Valid From: 2013 Sep 30 0500 UTC Valid To: 2013 Sep 30 2200 UTC Warning Condition: Onset Predicted NOAA Scale: S1 - Minor NOAA NOAA NWS Space Weather Prediction Center Scale descriptions can be found at swpc.noaa.gov/NOAAscales Potential Impacts: Radio - Minor impacts on polar HF (high frequency) radio propagation resulting in fades at lower frequencies.
Posted on: Mon, 30 Sep 2013 05:54:58 +0000
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