Articles | Volume 36, issue 2
ANGEO Communicates
18 Apr 2018
ANGEO Communicates |  | 18 Apr 2018

Solar rotational cycle in lightning activity in Japan during the 18–19th centuries

Hiroko Miyahara, Ryuho Kataoka, Takehiko Mikami, Masumi Zaiki, Junpei Hirano, Minoru Yoshimura, Yasuyuki Aono, and Kiyomi Iwahashi

Data sets

Historical Weather Database on The Web M. Yoshimura

Short summary
Old diaries kept in Japan tell us a surprising fact. The 27-day solar rotational period in thunder and lightning activities had been persistent for the past 300 years. The intensity is found to be more prominent as solar activity increases. The physical mechanism of the Sun–Climate connection is yet uncertain, an important link surely exists between the solar activity and terrestrial climate even at a meteorological timescale.