[Ips-wgr] IPS Weekly Geo. Report (04 October 12) issued 0345 UT on 04 Oct 2012

rwc rwc at ips.gov.au
Thu Oct 4 13:45:57 EST 2012


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 04 OCTOBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (25 SEPTEMBER - 03 OCTOBER)
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               
 25 Sep   1110 0001    1  
 26 Sep   1211 2122    5  
 27 Sep   2211 0002    3  
 28 Sep   1100 0002    1  
 29 Sep   1121 0112    3  
 30 Sep   2213 3424   13  
 01 Oct   4332 2112   10  
 02 Oct   2102 2223    6  
 03 Oct   3221 0111    5  

*estimated from real time data

NOTE: Indices may have been generated from data obtained in 
cooperation with the following organisations: Geoscience Australia, 
University of Newcastle Space Physics Group, Australian Government 
Antarctic Division and Space Environment Research Center, Japan.


Mostly Quiet to unsettled conditions. Unsettled  to Active on 
30 September and Active to Minor Storm with isolated
periods of Major Storm observed on 01 October.

2. FORECAST (04 OCTOBER - 03 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 16-17 Oct,  27-28 Oct.

Best Quiet Periods: 
 4-15 Oct,  18-26 Oct,  29-30 Oct.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 4-30 Oct.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 4-30 Oct.


Pc3 pulsations are high frequency (10-45 second period) variations 
of the Earths magnetic field. Daily pc3-indices are the daily sum of 
20 minute pc3-indices for that station and have been shown to be well 
correlated with rejection of high resolution aeromagnetic survey 
flight-line data.

PLEASE NOTE:
Geomagnetic activity can frequently be determined by short timescale 
solar events that cannot be forecast a week in advance, particularly
at solar maximum.

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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