[Ips-wgr] IPS Weekly Geo. Report (27 June 13) issued 0154 UT on 27 Jun 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 27 JUNE 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (18 JUNE - 26 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               
 18 Jun   1110 1111    2  
 19 Jun   1110 0111    2  
 20 Jun   2112 2222    6  
 21 Jun   2332 2222    9  
 22 Jun   3233 2122    9  
 23 Jun   3333 1323   12  
 24 Jun   2223 3432   12  
 25 Jun   3221 0211    5  
 26 Jun   1010 0100    4  

*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 International Center for Space Weather 
Science and Education, Japan.

Quiet to unsettled conditions. Active conditions 24 Jun 15-18 UT.

2. FORECAST (27 JUNE - 27 JULY)
Disturbed Periods: 
 28 Jun, 3 Jul, 18-21 Jul.

Best Quiet Periods: 
 2 Jul, 5-16 Jul, 23-24 Jul.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Mildly Disturbed Periods: None
 Best Quiet Periods: 27 Jun, 2-18 Jul, 23-24 Jul.

Central Australian Regions:
 Mildly Disturbed Periods: 28-29 Jun, 19-22 Jul.
 Best Quiet Periods: 27 Jun, 2-18 Jul, 23-24 Jul.

Southern Australian Regions:
 Disturbed Periods: 28-30 Jun, 19-22 Jul.
 Best Quiet Periods: 27 Jun, 2-17 Jul, 23-24 Jul.

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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