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

rwc rwc at ips.gov.au
Thu Jul 9 13:34:27 EST 2009


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 09 JULY 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (30 JUNE - 08 JULY)
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               
 30 Jun   1212 0211    4     
 01 Jul   1111 0101    2     
 02 Jul   1110 1001    1    
 03 Jul   1112 1001    2    
 04 Jul   1111 1111    3    
 05 Jul   2210 0121    3    
 06 Jul   2210 0101    2    
 07 Jul   1111 1111    3    
 08 Jul   1111 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 (09 JULY - 08 AUGUST)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
  21 Jul,  25 Jul to 26 Jul.

Best Quiet Periods: 
 9 Jul to 20 Jul,  22 Jul to 24 Jul,  27 Jul to 4 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Jul to 4 Aug.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Jul to 4 Aug.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Jul to 4 Aug.

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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