The SIDC is part of the Royal Observatory of Belgium and a partner in the Solar Terrestrial Center of Excellence (STCE).

FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium) 2021 May 12
16:14:01

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.

Latest SWAP image

SWAP latest image

Latest USET H-alpha image
USET latest Halpha image

Latest LYRA curve

Latest LYRA Curves

Latest Callisto Observations

Latest HUMAIN Callisto qkl

Daily estimated sunspot number
EISN

Most recent alerts

2021 May 12 1614 UTC
The fast forward shock that reach Earth at 05:49 UT caused NOAA Kp index [more]

2021 May 08 0919 UTC
END OF ALL QUIET ALERT ...................... The SIDC [more]

2021 Mar 18 0131 UTC
A halo or partial-halo CME was detected with the following characteristics: [more]

2017 Sep 10 1650 UTC
A class X8.9 solar X-ray flare occurred on 2017/09/10 with peak time 16:06UT [more]