[Ips-wgr] IPS Weekly Geo. Report (24 January 13) issued 0156 UT on 24 Jan 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 JANUARY 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 JANUARY - 23 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               
 15 Jan   2221 2112    5  
 16 Jan   2221 1232    7  
 17 Jan   4432 4532   21  
 18 Jan   2233 5323   16  In the IPS magnetometer data for 18 
                          Jan, a weak (10nT) impulse was observed 
                          at 0831UT.
 19 Jan   3211 2323    9  In the IPS magnetometer data for 19 
                          Jan, a weak (11nT) impulse was observed 
                          at 1733UT.
 20 Jan   2242 3111    9  
 21 Jan   2111 1112    4  
 22 Jan   1111 0001    1  
 23 Jan   1221 1001    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 International Center for Space Weather 
Science and Education, Japan.


Active on 17-18 Jan.   Quiet to unsettled on other days.

2. FORECAST (24 JANUARY - 23 FEBRUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 25-26 Jan,  9 Feb.

Best Quiet Periods: 
27 Jan to 8 Feb,  10-12 Feb,  15 Feb,  17-19 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Mostly Quiet

Central Australian Regions: Mostly Quiet

Southern Australian Regions: Mostly Quiet


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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