[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (26nT) IN MAGNETOMETER DATA 01 12 23 0925UT issued 0940 UT on 01 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (26nT) IN MAGNETOMETER DATA 01 12 23 0925UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    179.4      198.1       18.7
Darwin_(GA)                    nT    128.1      150.3       22.2
Townsville_(GA)                nT   -608.6     -579.6       29.0
Townsville                     nT   -462.1     -433.6       28.4
Townsville_(ICSWSE/BOM)        nT   -156.1     -127.7       28.4
Learmonth_(GA)                 nT    256.1      290.8       34.7
Learmonth_(SWS)                nT    120.9      155.8       34.9
Canberra_(GA)                  nT   -142.7     -109.0       33.7
Hobart                         nT    839.1      843.4        4.3

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