[Ips-wgr] IPS Weekly Geo. Report (06 May 10)

Regional Warning Centre rwc at ips.gov.au
Thu May 6 14:30:09 EST 2010


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 06 MAY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (27 APRIL - 05 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               
 27 Apr   2211 0111    3     
 28 Apr   1211 1001    2     
 29 Apr   2311 1111    5    
 30 Apr   1111 2111    3    
 01 May   1111 1211    3    
 02 May   1223 4443   16    
 03 May   3334 4333   18    
 04 May   3234 3223   13    
 05 May   2221 2232    7    

*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 2 May to 3 May.
quiet to unsettled on other days.

2. FORECAST (06 MAY - 05 JUNE)
Disturbed Periods: 
active on 30 May.

Best Quiet Periods: 
 7 May to 8 May,   10 May,  13 May to 20 May,  22 May to 29 May.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 6 May to 26 May.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 6 May to 26 May.

Southern Australian Regions:
 Disturbed Periods: 24 May to 25 May.
 Best Quiet Periods: 6 May to 21 May.

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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