[Ips-wgr] SWS Weekly Geo. Report (04 November 21) issued 0138 UT on 04 Nov 2021

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 04 NOVEMBER 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (26 OCTOBER - 03 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               
 26 Oct   2110 1112    3  
 27 Oct   1011 1012    2  
 28 Oct   1000 0201    1  
 29 Oct   1110 0102    2  
 30 Oct   2221 1233    8  
 31 Oct   2203 4223   10  In the SWS magnetometer data for 31 
                          Oct, a weak (9nT) impulse was observed 
                          at 1013UT.
 01 Nov   2212 2134    9  
 02 Nov   3223 3221    9  
 03 Nov   2110 2045   11  

*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 (04 NOVEMBER - 04 DECEMBER)
Disturbed Periods: 
 04 Nov-05 Nov, 13-15 Nov, 26-27 Nov.

Best Quiet Periods: 
 07-11 Nov,  17-25 Nov,  01-02 Dec.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Mildly Disturbed Periods: 04-05 Nov.
 Best Quiet Periods: 07 Nov - 04 Dec.

Central Australian Regions:
 Disturbed Periods: 04 Nov.
 Mildly Disturbed Periods: 05-06 Nov, 17 Nov, 29-30 Nov, 01 Dec.
 Best Quiet Periods: 07-16, 18-28 Nov, 02-04 Dec.

Southern Australian Regions:
 Disturbed Periods: 04-06 Nov, 17 Nov, 29-30 Nov, 01 Dec.
 Best Quiet Periods: 07-15 Nov, 18-28 Nov, 02-04 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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