[Ips-wgr] IPS Weekly Geo. Report (01 December 11) issued 0213 UT on 01 Dec 2011

rwc rwc at ips.gov.au
Thu Dec 1 13:13:57 EST 2011


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 01 DECEMBER 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 NOVEMBER - 30 NOVEMBER)
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               
 22 Nov   2222 3212    7     
 23 Nov   2221 2112    5     
 24 Nov   2213 3122    8    
 25 Nov   2221 1112    5    
 26 Nov   2111 1123    5    
 27 Nov   2222 2212    6    
 28 Nov   2110 0014    5    
 29 Nov   4543 1222   17    
 30 Nov   4213 3233   13    

*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 29 Nov.
Unsettle to Active on 30 Nov
Quiet to Unsettled on other days.

2. FORECAST (01 DECEMBER - 31 DECEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 1 Dec to 2 Dec.

Best Quiet Periods: 
 3 Dec to 27 Dec.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

No disturbed periods forecast for all regions, based on lack of strong
recurrent patterns.


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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