Space Weather Message Code: WARPX1
Serial Number: 311
Issue Time: 2011 Jun 07 1458 UTC
EXTENDED WARNING: Proton 10MeV Integral Flux above 10pfu expected
Extension to Serial Number: 310
Valid From: 2011 Jun 07 0744 UTC
Now Valid Until: 2011 Jun 09 0000 UTC
Warning Condition: Persistence
Predicted NOAA Scale: S2 - Moderate
Biological: passengers and crew in high-flying aircraft at high latitudes may be exposed to elevated radiation risk.***
Satellite operations: infrequent single-event upsets possible.
Other systems: small effects on HF propagation through the polar regions and navigation at polar cap locations possibly affected.