[Ips-wgr] IPS Weekly Geo. Report (24 May 12) issued 0304 UT on 24 May 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 MAY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 MAY - 23 MAY)
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 May   2221 0002    3  
 16 May   2211 3223    8  
 17 May   1110 1011    2  
 18 May   2212 1211    5  
 19 May   1211 1111    3  
 20 May   3321 2111    7  
 21 May   1100 0021    2  
 22 May   2422 2343   14  
 23 May   3332 1221    9  

*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 MAY - 23 JUNE)
Disturbed Periods: 
4-6 Jun,  18 Jun.

Best Quiet Periods: 
 26-29 May,  31 May to 3 Jun,  10-13 Jun,  15 Jun.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
 Disturbed Periods: None.
 Best Quiet Periods: 24 May to 8 Jun,  14-18 Jun.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 24 May to 8 Jun,  14-18 Jun.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 24 May to 4 Jun,  7-8 Jun,  14-17 Jun.


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.

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