[Ips-wgr] IPS Weekly Geo. Report (03 June 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 JUNE 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (25 MAY - 02 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               
 25 May   1221 2212    5     
 26 May   2221 1211    5     
 27 May   1111 0111    2    
 28 May   2323 4122   11
 29 May   2354 3323   18
 30 May   2242 2343   14    
 31 May   2333 2222   10    
 01 Jun   4222 2332   11    
 02 Jun   2221 1212    5    

Weak impulses were observed in the IPS magnetometer data at
0258UT on 28 May (15nT) and 0759UT on 29 May (31nT).

*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. Isolated active levels between 28
May and 1 June and a minor storm period on 29 May.

2. FORECAST (03 JUNE - 03 JULY)
Disturbed Periods: 
active on 26 to 27 June.
minor storm on 25 June.

Best Quiet Periods: 
6 June, 8 to 14 June, 17 to 23 June, 30 June to 3 July.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 3 June to 3 July.

Central Australian Regions:
 Disturbed Periods: 27 to 28 June (mildly disturbed).
 Best Quiet Periods: 5 to 26 June, 29 June to 3 July.

Southern Australian Regions:
 Disturbed Periods: 27 to 28 June.
 Best Quiet Periods: 5 to 26 June, 29 June to 3 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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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