[Ips-wgr] SWS Weekly Geo. Report (08 October 20) issued 0151 UT on 08 Oct 2020

rwc rwc at ips.gov.au
Thu Oct 8 12:51:52 EST 2020


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 08 OCTOBER 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (29 SEPTEMBER - 07 OCTOBER)
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               
 29 Sep   3223 3322   11  
 30 Sep   2233 3222   10  
 01 Oct   2113 3222    8  
 02 Oct   1113 2211    5  
 03 Oct   1112 1111    3  
 04 Oct   1111 1101    2  
 05 Oct   1121 3342   10  
 06 Oct   1211 2111    4  
 07 Oct   1212 3212    6  

*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 (08 OCTOBER - 07 NOVEMBER)
Disturbed Periods: 
21-25 Oct.

Best Quiet Periods: 
 9-19 Oct, 30-31 Oct,  2-3 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 8-20 Oct, 30 Oct- 3 Nov.

Central Australian Regions:
 Mildly disturbed Periods: 23-29 Oct
 Best Quiet Periods: 8-20 Oct, 30 Oct- 3 Nov.

Southern Australian Regions:
 Disturbed Periods: 23-29 Oct.
 Best Quiet Periods: 8-20 Oct,  30 Oct to 3 Nov.


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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