[Ips-wgr] IPS Weekly Geo. Report (24 June 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 JUNE 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 JUNE - 23 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               
 15 Jun   2223 1222    7     
 16 Jun   3333 3332   14     
 17 Jun   2232 1121    6    
 18 Jun   2222 1221    6    
 19 Jun   2111 0111    3    
 20 Jun   1111 0112    3    
 21 Jun   2131 0111    4    
 22 Jun   1211 1111    3    
 23 Jun   1211 1111    3    

*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 (24 JUNE - 24 JULY)
Disturbed Periods: 
active 25 Jun to 26 Jun.

Best Quiet Periods: 
 2 Jul to 11 Jul,  15 Jul to 20 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: Expect Quiet conditions

Central Australian Regions: Expect Mildly Disturbed conditions 25 June - 01
July, 
Quiet conditions 02 July - 21 July, Mildly Disturbed conditions 22 July - 24
July.

Southern Australian Regions: Expect Disturbed conditions 25 June - 01 July,
Quiet conditions 02 July - 21 July, Disturbed conditions 22 July - 24 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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