[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (9nT) IN MAGNETOMETER DATA 01 12 23 0953UT issued 1010 UT on 01 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (9nT) IN MAGNETOMETER DATA 01 12 23 0953UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    193.5      200.6        7.1
Darwin_(GA)                    nT    144.7      152.7        8.1
Townsville_(GA)                nT   -591.3     -580.2       11.1
Townsville                     nT   -444.2     -433.1       11.1
Townsville_(ICSWSE/BOM)        nT   -138.3     -127.2       11.1
Learmonth_(GA)                 nT    273.7      288.1       14.5
Learmonth_(SWS)                nT    138.9      153.5       14.6
Canberra_(GA)                  nT   -121.9     -107.0       14.9
Hobart                         nT    872.3      868.9       -3.4

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