[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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tel: +61 2 9213 8010              | fax: +61 2 9213 8060 




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