[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 19 01 26 1914UT issued 1928 UT on 19 Jan 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 19 01 26 1914UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    275.5      285.7       10.1
Darwin_(GA)                    nT    172.3      182.1        9.9
Darwin                         nT     64.0       76.1       12.1
Townsville_(GA)                nT   -613.9     -602.3       11.6
Townsville                     nT   -819.1     -807.8       11.3
Townsville_(ICSWSE/BOM)        nT    -75.0      -63.9       11.1
Learmonth_(GA)                 nT    355.8      373.3       17.5
Learmonth_(SWS)                nT   -930.3     -912.7       17.5
Alice_Springs_(GA)             nT     95.3      107.9       12.6
Canberra_(GA)                  nT   -164.6     -154.4       10.2
Hobart                         nT   -578.6     -568.1       10.5

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