[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 15 04 25 1722UT issued 1740 UT on 15 Apr 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (10nT) IN MAGNETOMETER DATA 15 04 25 1722UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    214.0      223.2        9.1
Darwin_(GA)                    nT    146.2      156.4       10.2
Darwin                         nT     33.6       46.3       12.7
Townsville_(GA)                nT   -618.0     -606.3       11.7
Townsville                     nT   -768.7     -757.0       11.7
Townsville_(ICSWSE/BOM)        nT    -75.5      -64.1       11.4
Learmonth_(GA)                 nT    297.0      309.3       12.3
Learmonth_(SWS)                nT    155.4      167.8       12.4
Canberra_(GA)                  nT   -160.0     -151.3        8.8
Hobart                         nT   -685.8     -678.2        7.5

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