[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 03 07 26 1200UT issued 1219 UT on 03 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 03 07 26 1200UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    280.0      286.3        6.4
Darwin_(GA)                    nT    166.7      174.6        7.9
Townsville_(GA)                nT   -623.2     -613.9        9.2
Townsville                     nT   -808.4     -799.4        9.1
Townsville_(ICSWSE/BOM)        nT    -48.3      -39.4        9.0
Learmonth_(GA)                 nT    350.3      360.6       10.3
Learmonth_(SWS)                nT   -948.9     -938.7       10.3
Canberra_(GA)                  nT   -170.5     -162.9        7.6
Hobart                         nT   -352.8     -346.1        6.6

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