Space Weather Message Code: SUMSUD Serial Number: 166 Issue Time: 2013 Jan 19 1739 UTC
Space Weather Message Code: SUMSUD Serial Number: 166 Issue Time: 2013 Jan 19 1739 UTC SUMMARY: Geomagnetic Sudden Impulse Observed: 2013 Jan 19 1733 UTC Deviation: 21 nT Station: Boulder NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales