[Ips-wgr] IPS Weekly Geo. Report (25 December 03)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 25 DECEMBER 2003, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 DECEMBER - 24 DECEMBER)
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               
 16 Dec   2223 2222    8     
 17 Dec   2222 2212    6     
 18 Dec   1211 1102    3    
 19 Dec   1121 1012    3    
 20 Dec   1224 3434   16    
 21 Dec   4333 3333   16    
 22 Dec   3334 2333   15    
 23 Dec   2212 2222    6    
 24 Dec   2321 2323    9    

*estimated from real time data

Disturbed conditions observed 20-23 Dec due to coronal hole.
Geomagnetic field is expected to remain at quiet to
unsettled levels until early January when the Earth is
expected to enter a broad coronal hole wind stream.

2. FORECAST (25 DECEMBER - 24 JANUARY)
Disturbed Periods: 
1-2 Jan Minor storm conditions
4-11 Jan Active with minor storm periods.
16-17 Jan unsettled to active

Best Quiet Periods: 
25-31 Dec 
12-15 Jan
18-24 Jan


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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