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Earth's magnetic field
How disturbed Earth's magnetic field is, and what the next three days look like
Storm level now
Kp is a 0 to 9 scale of how disturbed Earth's magnetic field is. 5 or more is a storm. These are the last 24 hours.
Kp < 5
Kp = 5 (G1)
Kp = 6 (G2)
Kp = 7 (G3)
Kp = 8, 9- (G4)
Kp = 9o (G5)
3-day forecast
What NOAA expects Kp to do over the next three days.
Kp < 5
Kp = 5 (G1)
Kp = 6 (G2)
Kp = 7 (G3)
Kp = 8, 9- (G4)
Kp = 9o (G5)
GOES magnetometers
Earth's magnetic field strength measured from orbit. Sharp swings mean a disturbance is under way.
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