Space Weather Message Code: WATA20
Serial Number: 509
Issue Time: 2013 Jan 18 0204 UTCWATCH: Geomagnetic Storm Category G1 Predicted
Highest Storm Level Predicted by Day:
Jan 18: G1 (Minor) Jan 19: None (Below G1) Jan 20: G1 (Minor)
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
Induced Currents - Weak power grid fluctuations can occur.
Spacecraft - Minor impact on satellite operations possible.
Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Space Weather Message Code: ALTEF3
Serial Number: 1985
Issue Time: 2013 Jan 18 1256 UTCCONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 1984
Begin Time: 2013 Jan 17 1315 UTC
Yesterday Maximum 2MeV Flux: 1136 pfu
Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.
[link to www.swpc.noaa.gov