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

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 JULY 2003, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 JUNE - 02 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               
 24 Jun   3344 5322   20     
 25 Jun   2333 2443   16     
 26 Jun   2334 5223   17    
 27 Jun   3443 4333   19    
 28 Jun   3445 4333   23    
 29 Jun   4344 3323   18    
 30 Jun   3443 3222   15    
 01 Jul   2321 2122    7    
 02 Jul   2223 2232    9    

*estimated from real time data

Disturbed conditions observed this week due to coronal
hole high speed wind streams. The Earth has just entered
another coronal hole wind stream and active conditions
are expected 04-06 July.

The returning active solar region mentioned in last weeks 
report has yet to produce any signifcant solar mass ejection 
activity.

2. FORECAST (03 JULY - 02 AUGUST)
Disturbed Periods: 
04-06 Jul: Active, chance of isolated minor storm periods.
11-16 Jul: Active periods
18-27 Jul: Active periods, minor storm periods possible 21 Jul

Best Quiet Periods: 
Quiet conditions are difficult to pick due to elevated
background geomagnetic activity due to frequency of coronal
hole wind streams indicative of declining phase of solar cycle.

08-10 Jul
28-29 Jul



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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Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
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