[Ips-wgr] IPS Weekly Geo. Report (17 January 13) issued 0147 UT on 17 Jan 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 JANUARY 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 JANUARY - 16 JANUARY)
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               
 08 Jan   2112 1213    6  
 09 Jan   2111 0012    3  
 10 Jan   1111 1012    3  
 11 Jan   1112 1012    3  
 12 Jan   2212 1112    5  
 13 Jan   2122 2233    8  
 14 Jan   3222 3222    9  
 15 Jan   2221 2112    5  
 16 Jan   2221 1232    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 International Center for Space Weather 
Science and Education, Japan.

Quiet to unsettled conditions. A weak (11nT) impulse was observed 
at 0116 UT in the IPS magnetometer data for 14 Jan.

2. FORECAST (17 JANUARY - 16 FEBRUARY)
Disturbed Periods: no strong recurrent patterns, however mild
activity may be experienced on 17 Jan and 9 Feb.

Best Quiet Periods: 18 Jan to 7 Feb, 11 Feb to 16 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed periods: none
Best quiet periods: 17 Jan to 16 Feb

Central Australian Regions:
Mildly disturbed periods: 09 Feb to 10 Feb
Best quiet periods: 18 Jan to 08 Feb, 11 Feb to 16 Feb

Southern Australian Regions:
Disturbed periods: 09 Feb to 10 Feb
Best quiet periods: 18 Jan to 08 Feb, 12 Feb to 16 Feb

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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