[Ips-wgr] IPS Weekly Geo. Report (08 April 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 08 APRIL 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (30 MARCH - 07 APRIL)
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 Mar   2211 1122    5     
 31 Mar   2212 1212    5     
 01 Apr   3222 4323   12    
 02 Apr   2143 2322   11    
 03 Apr   2221 3322    8    
 04 Apr   3331 3233   12    
 05 Apr   2356 4533   31    
 06 Apr   3345 4433   23    
 07 Apr   3244 3322   15    

*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 6 Apr.
minor storm on 5 Apr.
quiet to unsettled on other days.

2. FORECAST (08 APRIL - 08 MAY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
  8 Apr,  28 Apr to 30 Apr.

Best Quiet Periods: 
 9 Apr to 27 Apr,  1 May to 4 May.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Apr to 27 Apr.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 9 Apr to 27 Apr.

Southern Australian Regions:
 Disturbed Periods: 30 Apr to 04 May.
 Best Quiet Periods: 9 Apr to 27 Apr.

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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