[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 25 03 26 0631UT issued 0649 UT on 25 Mar 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 25 03 26 0631UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    282.7      288.5        5.8
Darwin_(GA)                    nT    162.3      167.9        5.6
Darwin                         nT     59.3       66.1        6.9
Townsville_(GA)                nT   -639.9     -631.0        8.9
Townsville                     nT   -863.4     -855.8        7.6
Townsville_(ICSWSE/BOM)        nT     77.1       85.5        8.4
Learmonth_(GA)                 nT    324.7      333.8        9.1
Learmonth_(SWS)                nT   -963.7     -954.5        9.1
Alice_Springs_(GA)             nT     62.5       71.1        8.5
Gingin_(GA)                    nT    234.9      242.0        7.1
Canberra_(GA)                  nT   -196.4     -184.3       12.1
Hobart                         nT   -739.9     -725.7       14.2
Hobart_(ICSWSE/BOM)            nT    -43.0      -29.5       13.5

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