We describe here principles and experience of automatically working programs 'SEP-Search-1 min', 'SEP-Search-2 min','SEP-Search-5 min', developed and checked in the Emilio Segre' Observatory of Israel Cosmic Ray and Space Weather Center (Mt.

Therefore high energy particles came from the Sun much more early (8-20 minutes after acceleration and escaping into solar wind) than main part of smaller energy particles caused dangerous situation for electronics and people health (about 30-60 minutes later). We show that exact forecast can be made by using high-energy particles (about 2-10 GeV/nucleon and higher) which transportation from the Sun is characterized by much bigger diffusion coefficient than for small and middle energy particles.

The problem is how to forecast exactly these dangerous phenomena. These periods are also dangerous for astronauts on space-ships, and passengers with crew in commercial jets (especially during S5-S7 radiation storms). In these periods is necessary to switch off some part of electronics for short time to protect computer memories.

It is well known that in periods of great SEP (Solar Energetic Particle) events, the fluxes can be so big that memory of computers and other electronics in space may be destroyed, satellites and spacecrafts became dead (each year insurance companies paid more than 500,000,000 dollars for these failures if will be event as Februwill be destroyed about all satellites in 1-2 hours, the price of this will be more than 10-20 Billion dollars, total destroying satellite communications and a lot of other problems). This paper is an example how fundamental research in Cosmic Ray (CR) Astrophysics and Geophysics can be applied to very important modern practical problem: monitoring by cosmic rays space weather and prediction by using on-line cosmic ray data space phenomena dangerous for satellites electronics and astronauts health in the space, for crew and passengers health on commercial jets in atmosphere, and in some rare cases for technology and people on the ground, role of CR and other space weather factors in climate change and influence on agriculture production.

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