G-scale: Difference between revisions
From Glossary of Meteorology
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A National Oceanic and Atmospheric Administration classification scheme for [[geomagnetic storm]] severity and a means of communicating to the general public the possible effects on built systems. The G-scale values correlate to the estimated and/or 3-hour-determined [[Kp index]] and are as follows: G1 (minor), Kp = 5; G2 (moderate), Kp = 6; G3 (strong), Kp = 7; G4 (severe), Kp = 8 and 9−; and G5 (extreme), Kp = 9. | |||
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<p>''Term edited 14 August 2018.''</p> | <p>''Term edited 14 August 2018.''</p> | ||
Latest revision as of 08:35, 29 March 2024
A National Oceanic and Atmospheric Administration classification scheme for geomagnetic storm severity and a means of communicating to the general public the possible effects on built systems. The G-scale values correlate to the estimated and/or 3-hour-determined Kp index and are as follows: G1 (minor), Kp = 5; G2 (moderate), Kp = 6; G3 (strong), Kp = 7; G4 (severe), Kp = 8 and 9−; and G5 (extreme), Kp = 9.
Term edited 14 August 2018.
