[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (9nT) IN MAGNETOMETER DATA 02 01 26 1557UT issued 1610 UT on 02 Jan 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (9nT) IN MAGNETOMETER DATA 02 01 26 1557UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    249.8      258.6        8.8
Darwin_(GA)                    nT    158.7      166.9        8.2
Darwin                         nT     51.4       61.4       10.0
Townsville_(GA)                nT   -618.8     -609.3        9.5
Townsville                     nT   -751.3     -742.0        9.3
Townsville_(ICSWSE/BOM)        nT   -283.6     -274.3        9.3
Learmonth_(GA)                 nT    328.1      341.3       13.3
Learmonth_(SWS)                nT   -953.4     -940.1       13.3
Canberra_(GA)                  nT   -159.3     -150.7        8.5
Hobart                         nT   -528.5     -519.9        8.6

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