[Ips-wgr] IPS Weekly Geo. Report (16 June 11)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 16 JUNE 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (07 JUNE - 15 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               
 07 Jun   1111 1233    6     
 08 Jun   3211 3102    6     
 09 Jun   2222 2122    6    
 10 Jun   2123 2212    7    
 11 Jun   2333 3111    9    
 12 Jun   1223 2111    6    
 13 Jun   1122 2212    5    
 14 Jun   2223 1112    6    
 15 Jun   1222 2112    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.


Quiet to unsettled conditions.

2. FORECAST (16 JUNE - 16 JULY)
Disturbed Periods: 
active on 24 and 25 Jun, and on 2 Jul.

Best Quiet Periods: 
 16 Jun to 22 Jun and 11 Jul to 16 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Southern Australian Regions:
 Disturbed Periods:  24 to 28 June, 2 July, 5 July and 11 July.
 Best Quiet Periods: 16 Jun to 23 Jun,   29 June to 1 July, 
 3 to 4 July, 6 July to 10 July, 12 July to 16 July.

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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