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- Title
ON POSSIBILITY OF SHORT-TERM PROGNOSIS OF CYCLONIC ACTIVITY AFTER-EFFECTS IN VILNIUS BY VARIATION OF HARD COSMIC RAY FLUX.
- Authors
Styra, Dmitrijus; Čiučelis, Algirdas; Usovaitė, Ana; Damauskaitė, Jovita
- Abstract
Analysis of hard cosmic ray flux (HCRF) variation at an energy interval 1.2-1.6 MeV was carried out in Vilnius. Connection between HCRF decrease at the mentioned energy interval and the minimum atmospheric pressure in 3-6 days is defined. This phenomenon is registered from 8 up to 13 hours. According to the time interval of HCRF decrease, for instance 8-9 and 9-10 hours, the minimum pressure in Vilnius takes place in 3-4 days, and at time intervals 11-12, and 12-13 hours - in 5-6 days. Realization of this prognosis at one of the presented time intervals was 56-67% in 2002-2003. The same investigation results, with the assumption of atmospheric pressure decrease from 1005 hPa and less, showed a high efficiency of prognosis of the minimum pressure in Vilnius at all the time intervals during 6 days - 92%, and 82% in 2002 and 2003, correspondingly.
- Subjects
VILNIUS (Lithuania); LITHUANIA; CLIMATOLOGY; COSMIC rays; ASTROPHYSICAL radiation; IONIZING radiation; CLIMATIC classification; ATMOSPHERIC pressure; TEMPERATURE inversions
- Publication
Journal of Environmental Engineering & Landscape Management, 2008, Vol 16, Issue 4, p159
- ISSN
1648-6897
- Publication type
Article
- DOI
10.3846/1648-6897.2008.16.159-167