[Ips-wgr] IPS Weekly Geo. Report (09 June 11)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 09 JUNE 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (31 MAY - 08 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               
 31 May   2233 2222    9     
 01 Jun   2131 2323    9     
 02 Jun   2223 2111    6    
 03 Jun   1111 0001    1    
 04 Jun   0110 0034    6    
 05 Jun   5443 2322   19    A weak (16nT) impulse was observed in the IPS
			    magnetometer data at 0533UT on 05 Jun.
 06 Jun   2122 0111    4    
 07 Jun   1111 1233    6    
 08 Jun   3211 3102    6    

*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.


active on 5 Jun.
quiet to unsettled on other days.

2. FORECAST (09 JUNE - 09 JULY)
Disturbed Periods: 
active 9 Jun to 11 Jun, active on 24-25 Jun. 

Best Quiet Periods: 
 14 Jun to 22 Jun.   

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Mildly Disturbed Periods: 10-11 Jun, 25-26 Jun
 Best Quiet Periods: 15 Jun to 23 Jun 

Central Australian Regions:
 Mildly Disturbed Periods: 10-13 Jun, 24-29 Jun
 Best Quiet Periods: 15 Jun to 23 Jun

Southern Australian Regions:
 Disturbed Periods:  10-13 Jun, 24-29 Jun
 Best Quiet Periods:  15 Jun to 23 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.

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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