[Ips-wgr] SWS Weekly Geo. Report (03 December 20) issued 0229 UT on 03 Dec 2020

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 DECEMBER 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 NOVEMBER - 02 DECEMBER)
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               
 24 Nov   1000 1102    2  
 25 Nov   1112 1112    4  
 26 Nov   1011 3221    5  
 27 Nov   1223 3112    7  
 28 Nov   2121 2111    4  
 29 Nov   1111 1101    2  
 30 Nov   2243 2102    9  
 01 Dec   1100 0001    1  
 02 Dec   1110 0012    2  

*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.

2. FORECAST (03 DECEMBER - 02 JANUARY)
Disturbed Periods: 
Possibly 05 Dec, 19 Dec.

Best Quiet Periods: 
 03 Dec,  06-16 Dec,  20-24 Dec,  26-29 Dec.

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

Central Australian Regions:
 Disturbed Periods: Mildly disturbed 19, 20, 27 Dec.
 Best Quiet Periods: 03-18 Dec, 21-26 Dec, 28-29 Dec.

Southern Australian Regions:
 Disturbed Periods: Disturbed 19, 20, 27 Dec..
 Best Quiet Periods: 03-18 Dec, 21-26 Dec, 28-29 Dec.


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.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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