[Ips-wgr] SWS Weekly Geo. Report (14 January 21) issued 0208 UT on 14 Jan 2021

rwc rwc at ips.gov.au
Thu Jan 14 13:08:36 EST 2021


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 14 JANUARY 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (05 JANUARY - 13 JANUARY)
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               
 05 Jan   2121 4323   10  
 06 Jan   3333 2211   10  
 07 Jan   2221 1112    5  
 08 Jan   1110 0001    1  
 09 Jan   1110 0001    1  
 10 Jan   1011 0001    1  
 11 Jan   0013 3433   11  In the SWS magnetometer data for 11 
                          Jan, a weak (11nT) impulse was observed 
                          at 0931UT.
 12 Jan   2222 1111    5  
 13 Jan   1111 2002    3  

*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 (14 JANUARY - 13 FEBRUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 17-19 Jan,  1-2 Feb,  7-8 Feb.

Best Quiet Periods: 
 14-16 Jan,  21-31 Jan,  4-6 Feb,  9 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 15-17 Jan,  21-31 Jan, 4-13 Feb.

Central Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 15-17 Jan,  21-31 Jan, 4-13 Feb.

Southern Australian Regions:
 Disturbed Periods: 18-20 Jan, 2 Feb.
 Best Quiet Periods: 14-16 Jan,  21-31 Jan, 4-13 Feb.


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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