[Ips-wgr] IPS Weekly Geo. Report (14 April 05)

rwc rwc at ips.gov.au
Thu Apr 14 11:50:27 EST 2005


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 14 APRIL 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (05 APRIL - 13 APRIL)
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               
 05 Apr   5434 3323   21     
 06 Apr   3213 2322    9     
 07 Apr   1223 3101    6    
 08 Apr   2011 1011    2    
 09 Apr   1111 1001    2    
 10 Apr   1100 1001    1    
 11 Apr   1201 1133    6    
 12 Apr   3333 4333   16    
 13 Apr   2444 4533   24    

*estimated from real time data

The period started with geomagnetic activity rising
from quiet to minor storm levels on 05 April due to 
the effect of a coronal hole solar wind stream. The 
activity then gradually declined to unsettled and then 
quiet levels.  Due to earth's entry into another coronal 
hole solar wind stream the geomagnetic activity again 
rose up to minor storm levels on 13 April. 

2. FORECAST (14 APRIL - 14 MAY)
Disturbed Periods: 14 April, 21 April, 23 April, 01 to 02 May, 10 May.

Best Quiet Periods: 16 to 20 April, 24 to 30 April, 03 to 08 May,
	11 to 14 May.



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