[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 25 07 23 2231UT issued 2249 UT on 25 Jul 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 25 07 23 2231UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    159.4      168.5        9.1
Darwin_(GA)                    nT    135.5      149.0       13.5
Townsville_(GA)                nT   -593.2     -577.4       15.7
Canberra_(GA)                  nT   -148.2     -135.2       13.0

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au