[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 02 08 26 1225UT issued 1240 UT on 02 Aug 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 02 08 26 1225UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    287.0      295.0        8.0
Darwin_(GA)                    nT    170.7      179.1        8.3
Darwin                         nT     88.1       99.3       11.2
Townsville_(GA)                nT   -621.4     -611.1       10.4
Townsville                     nT   -805.8     -795.3       10.5
Townsville_(ICSWSE/BOM)        nT    -35.0      -24.9       10.1
Learmonth_(GA)                 nT    356.7      368.2       11.5
Learmonth_(SWS)                nT   -943.6     -932.0       11.6
Canberra_(GA)                  nT   -168.8     -158.0       10.8
Hobart                         nT   -351.0     -340.5       10.5

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