[Ips-wgr] IPS Weekly Geo. Report (20 June 13) issued 0606 UT on 20 Jun 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 20 JUNE 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 JUNE - 19 JUNE)
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               
 11 Jun   1111 2111    3  
 12 Jun   1110 0000    1  
 13 Jun   1100 0001    1  
 14 Jun   1111 0011    2  
 15 Jun   2121 0101    3  
 16 Jun   1110 0001    1  
 17 Jun   1111 0001    1  
 18 Jun   1110 1111    2  
 19 Jun   1110 0111    2  

*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.


Quiet to unsettled conditions.

2. FORECAST (20 JUNE - 20 JULY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 21-24 Jun,  27 Jun,  29 Jun to 1 Jul,  3 Jul,  5-7 Jul,  16 Jul.

Best Quiet Periods: 
 20 Jun,  25-26 Jun,  28 Jun,  2 Jul,  4 Jul,  8-15 Jul.

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

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 20 Jun,  23-28 Jun,  30 Jun to 16 Jul.

Southern Australian Regions:
 Disturbed Periods: 22 Jun.
 Best Quiet Periods: 20 Jun,  24-27 Jun,  1-5 Jul,  7-16 Jul.


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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