Observations of mesospheric clouds in Latvia in 1957–1983

Observations of mesospheric clouds in Latvia in 1957–1983
Jānis Kauliņš
Hist. Geo Space. Sci., 17, 113–122, https://doi.org/10.5194/hgss-17-113-2026, 2026
Long-term series of historical observations in Latvia of mesospheric clouds are digitized. Observational data are freely available to researchers. Observation sites, methodologies, and technical support are described. This article provides a brief overview of mesospheric cloud observation statistics for 1957–1983.

Source: https://doi.org/10.5194/hgss-17-113-2026