[Ips-wgr] SWS Weekly Geo. Report (02 December 21) issued 0120 UT on 02 Dec 2021

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 02 DECEMBER 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (23 NOVEMBER - 01 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               
 23 Nov   1212 2211    5  
 24 Nov   1222 0201    4  
 25 Nov   2210 0101    2  
 26 Nov   0011 1202    2  
 27 Nov   1211 0003    3  In the SWS magnetometer data for 27 
                          Nov, a weak (10nT) impulse was observed 
                          at 2251UT.
 28 Nov   3332 2222   10  
 29 Nov   3211 1011    4  
 30 Nov   0010 1234    6  
 01 Dec   3322 4223   12  

*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 (02 DECEMBER - 01 JANUARY)
Disturbed Periods: 
02 to 04 Dec.

Best Quiet Periods: 
 05-11 Dec,  15-16 Dec,  19-24 Dec, 26-27 Dec.

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

Central Australian Regions:
 Disturbed Periods: Mildly disturbed 02 Dec, 13-15 Dec, 17-20 Dec, 28-29 Dec.
 Best Quiet Periods: 05-12 Dec, 16 Dec, 21-27 Dec.

Southern Australian Regions:
 Disturbed Periods: 02 Dec, 13-15 Dec, 17-20 Dec, 28-29 Dec.
 Best Quiet Periods: 05-12 Dec, 16 Dec, 21-27 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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