Le Soleil est chaud bouillant en ce moment (le cycle 25 monte en puissance <https://fr.wikipedia.org/wiki/Cycle_solaire_25>). Mais est-ce que ça a réellement un impact opérationnel ? Avez-vous vu quelque-chose entre 1200 et 1500 UTC ?
----- Forwarded message from Solar Influences Data analysis Center <[email protected]> ----- :Issued: 2021 May 12 1614 UTC :Product: documentation at http://www.sidc.be/products/presto #--------------------------------------------------------------------# # FAST WARNING 'PRESTO' MESSAGE from the SIDC (RWC-Belgium) # #--------------------------------------------------------------------# The fast forward shock that reach Earth at 05:49 UT caused NOAA Kp index value of 7 (strong geomagnetic storm) for the synoptic period of 12:00 - 15:00UT. For the synoptic period of 15:00 - 18:00 UT the index value dropped to 6 (moderate geomagnetic storm). The local K Dourbes index value was 6 (moderate geomagnetic storm) between 14:00-16:00 UT. The geomagnetic activity is expected to decline significantly in the next 24 hours. #--------------------------------------------------------------------# # Solar Influences Data analysis Center - RWC Belgium # # Royal Observatory of Belgium # # # # Website http://www.sidc.be. # # E-mail [email protected] # # To unsubscribe http://www.sidc.be/registration/unsub.php # # # # Legal notices: # # - Intellectual Property Rights: # # http://www.astro.oma.be/common/internet/en/data-policy-en.pdf # # - Liability Disclaimer: # # http://www.astro.oma.be/common/internet/en/disclaimer-en.pdf # # - Use and processing of your personal information: # # http://www.astro.oma.be/common/internet/en/privacy-policy-en.pdf # #--------------------------------------------------------------------# ----- End forwarded message ----- --------------------------- Liste de diffusion du FRnOG http://www.frnog.org/
