[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (20nT) IN MAGNETOMETER DATA 05 06 26 0506UT issued 0522 UT on 05 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (20nT) IN MAGNETOMETER DATA 05 06 26 0506UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    305.6      322.3       16.7
Darwin_(GA)                    nT    188.2      207.1       18.9
Darwin                         nT     97.1      117.4       20.3
Townsville_(GA)                nT   -620.5     -597.0       23.5
Townsville                     nT   -801.7     -778.9       22.8
Townsville_(ICSWSE/BOM)        nT    -56.9      -34.1       22.8
Learmonth_(GA)                 nT    355.7      380.0       24.3
Learmonth_(SWS)                nT   -944.1     -919.7       24.4
Canberra_(GA)                  nT   -183.4     -165.6       17.8
Hobart                         nT   -410.1     -397.7       12.4

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