[Ips-wgr] IPS Weekly Geo. Report (17 June 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 JUNE 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 JUNE - 16 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               
 08 Jun   2111 1121    4     
 09 Jun   1221 1111    4     
 10 Jun   2222 1011    4    
 11 Jun   1211 1111    3    
 12 Jun   1111 0011    2    
 13 Jun   1222 1111    4    
 14 Jun   1122 1011    3    
 15 Jun   2223 1222    7    
 16 Jun   3333 3332   14    

*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 over the last 7 days. Quiet to
Unsettled conditions expected for the next 7 days with possible 
Active periods 17Jun-18Jun for mid to high latitudes due to coronal 
hole effects.

2. FORECAST (17 JUNE - 17 JULY)
Disturbed Periods: 
Active on 26 Jun.
Minor Storm on 25 Jun.

Best Quiet Periods: 
 19 Jun to 23 Jun,   29 Jun,  2 Jul to 11 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 17 Jun to 10 Jul.

Central Australian Regions:
 Disturbed Periods: 17 Jun (chance of mildly disturbed).
 Best Quiet Periods: 18 Jun to 10 Jul.

Southern Australian Regions:
 Disturbed Periods: 17 Jun (chance of mildly disturbed).
 Best Quiet Periods: 18 Jun to 8 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 
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