[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 28 12 23 2346UT issued 0010 UT on 29 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 28 12 23 2346UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    200.8      208.1        7.3
Darwin_(GA)                    nT    179.3      189.2        9.9
Townsville_(GA)                nT   -553.8     -542.7       11.1
Townsville                     nT   -416.4     -405.7       10.7
Townsville_(ICSWSE/BOM)        nT   -209.3     -198.5       10.8
Learmonth_(GA)                 nT    285.3      295.8       10.6
Learmonth_(SWS)                nT    158.8      169.4       10.6
Canberra_(GA)                  nT   -132.4     -126.4        5.9
Hobart                         nT    764.9      767.0        2.1

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