[Ips-wgr] SWS Weekly Geo. Report (30 November 17) issued 0150 UT on 30 Nov 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 30 NOVEMBER 2017, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (21 NOVEMBER - 29 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               
 21 Nov   3333 3333   15  
 22 Nov   2222 3222    8  
 23 Nov   1122 3212    6  
 24 Nov   1220 0033    5  
 25 Nov   4311 1101    7  
 26 Nov   1120 1011    2  
 27 Nov   2211 3121    6  
 28 Nov   2212 3122    7  
 29 Nov   2120 1212    4  

*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 (30 NOVEMBER - 30 DECEMBER)
Disturbed Periods: 
4-7 Dec,  18 Dec.

Best Quiet Periods: 
2-3 Dec,  9-17 Dec,  22-26 Dec.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
Mildly disturbed Periods: NA
Best Quiet Periods: 2-3 Dec, 10-17 Dec, 22-26 Dec.

Central Australian Regions: 
Mildly disturbed Periods: 05-08 Dec, 18-19 Dec.
Best Quiet Periods: 2-3 Dec,  10-17 Dec,  22-26 Dec.

Southern Australian Regions: 
Disturbed Periods:  5-8 Dec, 18-19 Dec.
Best Quiet Periods: 2-3 Dec,  10-17 Dec, 22-26 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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