[Ips-geo-warning] IPS GEOMAGNETIC WARNING
rwc
rwc at ips.gov.au
Sat Apr 7 08:58:19 EST 2001
SUBJ: IPS GEOMAGNETIC DISTURBANCE WARNING 01/11
ISSUED AT 06/2130Z APRIL 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.
LASCO and EIT observed a full halo CME on 5 Apr following
the M5 flare at 1657UT(peak) from region 9415. Active to minor
levels of geomagnetic activity are expected for the 8 Apr early
in the UT day after the anticipated arrival of the associated
shock.
A second full halo CME was observed in association with a X5.6
flare from the same active region. Type IV storm noise is
currently observed by Culgoora. The anticipated shock associated
with the disturbance is expected to arrive on 9 Apr and to trigger
a minor storm, with chance of isolated major storm periods.
INCREASED GEOMAGNETIC ACTIVITY EXPECTED
FROM 08-10 APRIL 2001
-------------------------------------------------------------
GEOMAGNETIC ACTIVITY FORECAST
08 Apr: Active to minor storm
09 Apr: Active to minor storm with chance of isolated major storm periods
10 Apr: Unsettled to active
IPS Radio and Space Services | email: asfc at ips.gov.au
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Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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