[Ips-wgr] IPS Weekly Geo. Report (19 September 13) issued 0354 UT on 19 Sep 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 19 SEPTEMBER 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (10 SEPTEMBER - 18 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               
 10 Sep   0002 2322    5  
 11 Sep   2112 2111    4  
 12 Sep   1111 1012    3  
 13 Sep   2221 2421    8  
 14 Sep   2121 2001    3  
 15 Sep   1000 0001    0  
 16 Sep   1111 1101    2  
 17 Sep   2220 2232    7  
 18 Sep   2101 2212    4  

*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 International Center for Space Weather 
Science and Education, Japan.

Occasional unsettled periods due to high speed streams from coronal holes.

Quiet to unsettled conditions.

2. FORECAST (19 SEPTEMBER - 19 OCTOBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 19-20 Sep,  23-24 Sep,  27-29 Sep,  10 Oct,  14-15 Oct.

Best Quiet Periods: 
 21-22 Sep,  25-26 Sep,  30 Sep to 9 Oct,  11-13 Oct.

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

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 19 Sep to 15 Oct.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 20 Sep to 9 Oct,  11-15 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
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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