[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 03 12 23 0121UT issued 0140 UT on 03 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 03 12 23 0121UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    156.0      162.8        6.8
Darwin_(GA)                    nT    141.3      151.7       10.4
Townsville_(GA)                nT   -594.2     -582.1       12.1
Townsville                     nT   -448.9     -436.8       12.1
Townsville_(ICSWSE/BOM)        nT   -143.3     -131.3       12.1
Learmonth_(GA)                 nT    247.9      258.8       11.0
Learmonth_(SWS)                nT    116.1      127.1       10.9
Canberra_(GA)                  nT   -171.7     -162.1        9.6
Hobart                         nT    806.6      814.8        8.2

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