[Ips-wgr] IPS Weekly Geo. Report (02 June 11)

rwc rwc at ips.gov.au
Thu Jun 2 12:26:18 EST 2011


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 02 JUNE 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 MAY - 01 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               
 24 May   1111 2201    3     
 25 May   1110 0001    1     
 26 May   1110 1311    4    
 27 May   1212 3343   11    
 28 May   3255 6213   27    
 29 May   3544 3332   21    
 30 May   2223 3112    8    
 31 May   2233 2222    9    
 01 Jun   2131 2323    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 with an active period on 27 May. Active to minor
storm levels on 28 and 29 May.

2. FORECAST (02 JUNE - 02 JULY)
Disturbed Periods: 
  2-5 Jun, 24-26 Jun, 29 Jun to 1 Jul.

Best Quiet Periods: 
  7-10 Jun, 15-22 Jun, 2 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS


Northern Australian Regions:
 Disturbed Periods:  None
 Best Quiet Periods: 2 Jun to 2 Jul

Central Australian Regions:
 Mildly Disturbed Periods:  2-5 Jun, 12-14 Jun, 24-27 Jun, 30 Jun to 2 Jul.
 Best Quiet Periods: 6-11 Jun, 15-23 Jun, 28-29 Jun.

Southern Australian Regions:
 Disturbed Periods:  2-5 Jun, 12-14 Jun, 24-27 Jun, 30 Jun to 2 Jul.
 Best Quiet Periods: 6-11 Jun, 15-23 Jun, 28-29 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
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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