From aswfc at bom.gov.au  Fri May  8 02:40:28 2026
From: aswfc at bom.gov.au (Australian Space Weather Forecasting Centre)
Date: Thu, 07 May 2026 16:40:28 +0000
Subject: [ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER
 DATA 07 05 26 1622UT issued 1640 UT on 07 May 2026 [SEC=OFFICIAL]
Message-ID: <69fcc07c.LZfD2qIx2XTT02Hn%aswfc@bom.gov.au>

WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 07 05 26 1622UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    273.6      283.3        9.7
Darwin_(GA)                    nT    167.6      177.6       10.1
Darwin                         nT     77.1       90.2       13.0
Townsville_(GA)                nT   -618.8     -606.9       11.9
Townsville                     nT   -824.4     -812.4       12.0
Townsville_(ICSWSE/BOM)        nT    -80.7      -69.1       11.7
Learmonth_(GA)                 nT    345.6      358.1       12.5
Learmonth_(SWS)                nT   -956.2     -943.6       12.6
Canberra_(GA)                  nT   -164.3     -154.3        9.9
Hobart                         nT   -602.7     -594.1        8.6

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