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Geomagnetic Storms in December, 1999
1 storm ↑ MAX: Kp 5 ↓ MIN: Kp 2

In December 1999, 1 geomagnetic storm were recorded; the strongest was Kp 5 on December 31, 1999.

Most powerful Geomagnetic Storms in December 1999

Date Class Level Duration
December 31, 1999 Kp 5 Minor (G1) 3 h

Geomagnetic Storms: Full Archive

Year Months
2026 Jan Feb Mar Apr May Jun Jul
2025 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2024 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023 Jan Feb Mar Apr May Jun Aug Sep Oct Nov Dec
2022 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021 Jan Feb Mar Apr May Jun Aug Sep Oct Nov Dec
2020 Feb Apr Aug Sep Nov
2019 Jan Feb Mar May Jun Jul Aug Sep Oct
2018 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2016 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2015 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2014 Jan Feb Mar Apr May Jun Aug Sep Oct Nov Dec
2013 Mar Apr May Jun Jul Aug Oct Dec
2012 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov
2011 Jan Feb Mar Apr May Jun Jul Aug Sep Oct
2010 Jan Apr May Jun Jul Aug Oct Nov Dec
2009 Mar Jun Jul Aug
2008 Feb Mar Apr Jun Jul Aug Sep Oct
2007 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov
2006 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2005 Jan Feb Mar Apr May Jun Jul Aug Sep Nov Dec
2004 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2003 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2002 Jan Feb Mar Apr May Jul Aug Sep Oct Nov Dec
2001 Jan Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2000 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1999 Dec