[Ips-wgr] IPS Weekly Geo. Report (17 July 03)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 JULY 2003, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 JULY - 16 JULY)
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               
 08 Jul   1110 1111    2     
 09 Jul   0211 1012    3     
 10 Jul   1122 3112    6    
 11 Jul   2344 4435   24    
 12 Jul   5553 3334   28    
 13 Jul   3332 2423   13    
 14 Jul   2232 2333   11    
 15 Jul   3424 3134   17    
 16 Jul   3455 4334   27    

*estimated from real time data

The period started with geomagnetic activity mostly at
quiet levels for the first three days. Then the solar 
wind stream was strengthened by a coronal hole activity.
This raised the geomagnetic activity upto minor storm
levels on 11 and 12 July, and upto a short period of 
major storm level on 16 July. Due to the east-west spread
of this coronal hole, it is expected to continue to 
strengthen the solar wind stream for a few more days.

2. FORECAST (17 JULY - 16 AUGUST)
Disturbed Periods: 17 July to 03 August, 07 August to 16 August.

Best Quiet Periods: 04 to 06 August.


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
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