[Ips-wgr] IPS Weekly Geo. Report (23 September 04)

rwc rwc at ips.gov.au
Thu Sep 23 10:47:21 EST 2004


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 23 SEPTEMBER 2004, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (14 SEPTEMBER - 22 SEPTEMBER)
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               
 14 Sep   3343 4445   25    A weak (15nT) impulse was observed in the IPS
magnetometer data at 1523UT on 14 Sep. 
 15 Sep   3222 3323   11     
 16 Sep   3334 4333   18    
 17 Sep   3332 3223   12    
 18 Sep   3223 2102    7    
 19 Sep   1121 1113    5    
 20 Sep   2233 2202    8    
 21 Sep   2332 1112    7    
 22 Sep   1243 4333   15    A weak (27nT) impulse was observed in the IPS
magnetometer data at 0634UT on 22 Sep.

*estimated from real time data

Mostly quiet to unsettled throughout the week.  Coronal Mass Ejections 
on 12 and 19 Sep resulted in weak sudden impulses and periods of active 
to minor storm levels on 14 and 22 Sep respectively.

2. FORECAST (23 SEPTEMBER - 23 OCTOBER)
Disturbed Periods: 

Best Quiet Periods: 
23 - 25 Sep, 5 - 9 Oct.

IPS Radio and Space Services      | email: asfc at ips.gov.au
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tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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