[Ips-wgr] IPS Weekly Geo. Report (22 January 04)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 22 JANUARY 2004, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 JANUARY - 21 JANUARY)
K indices are in UT (0-24). For conversion to local time:
AEST = UT + 10 hours; ACST = UT + 9.5 hours; AWST = UT + 8 hours
        Australian Region*              
 Date     K-INDICES    A               
 13 Jan   3223 4434   17     
 14 Jan   4223 3333   14     
 15 Jan   2222 4444   17    
 16 Jan   3323 3344   17    
 17 Jan   3334 3333   16    
 18 Jan   2332 3233   12    
 19 Jan   3233 4433   17    
 20 Jan   3332 4323   14    
 21 Jan   2333 4233   14    

*estimated from real time data

Geomagnetic activity has been at mostly unsettled to active levels 
during the week. The cause has been a high speed coronal hole wind 
stream which the Earth encountered earlier than expected. Due to 
the irregular shape of this feature, the solar wind stream has 
persisted longer than originally estimated, and has only shown 
signs of decline during the UT day Jan 20. Further geomagnetic 
disturbance is anticipated in consequence of moderate solar flare
activity late in the week.

2. FORECAST (22 JANUARY - 21 FEBRUARY)
Disturbed Periods: 
22-23 Jan, 24-25 Jan, 28 Jan, 01-06 Feb. 

Best Quiet Periods: 
08-10 Feb, 15-21 Feb. 

PLEASE NOTE:  
At this time of the solar cycle, space weather conditions 
are frequently determined by short timescale events, not 
able to be forecasted a week in advance. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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