[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 18 12 23 0216UT issued 0234 UT on 18 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 18 12 23 0216UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    172.3      178.1        5.8
Darwin_(GA)                    nT    174.7      184.0        9.3
Townsville                     nT   -429.7     -417.2       12.5
Townsville_(ICSWSE/BOM)        nT   -144.5     -132.0       12.6
Learmonth_(GA)                 nT    264.2      275.9       11.7
Learmonth_(SWS)                nT    136.6      148.1       11.5
Canberra_(GA)                  nT   -171.8     -156.6       15.2
Hobart                         nT    754.3      768.7       14.3

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