[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (19nT) IN MAGNETOMETER DATA 12 05 23 0631UT issued 0649 UT on 12 May 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (19nT) IN MAGNETOMETER DATA 12 05 23 0631UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    169.9      184.5       14.6
Darwin_(GA)                    nT    126.3      142.4       16.2
Townsville_(GA)                nT   -619.1     -599.2       19.9
Learmonth_(GA)                 nT    211.3      236.5       25.3
Canberra_(GA)                  nT   -162.1     -142.9       19.2

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