[Ips-geo-warning] IPS GEOMAGNETIC WARNING

[rwc]

SUBJ: IPS GEOMAGNETIC DISTURBANCE WARNING 01/06
ISSUED AT 20/2117Z MARCH 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

GEOMAGNETIC ACTIVITY ON 20 MAR UNEXPECTEDLY INTENSIFIED FOLLOWING 
ARRIVAL OF A APPARENTLY WEAK CORONAL MASS EJECTION ON 19 MAR. 
GEOMAGNETIC ACTIVITY APPERAED TO BE DECLINING TOWARD END OF 19 MAR, 
HOWEVER ACTIVITY INCREASED TO MAJOR/SEVERE STORM LEVELS DURING SECOND 
HALF OF UT DAY ON 20 MAR. THIS STORM ACTIVITY WAS ASSOCIATED WITH THE
NORTH-SOUTH COMPONENT OF THE INTERPLANETARY MAGNETIC FIELD 
BEING STRONGLY SOUTHWARD (-15-20nT) DURING THE INTERVAL 10-20 UT 
ON 20 MAR.

ACTIVITY IS EXPECTED TO DECLINE ON 21 MAR.


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