[Ips-wgr] SWS Weekly Geo. Report (02 February 17) issued 0151 UT on 02 Feb 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 02 FEBRUARY 2017, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 JANUARY - 01 FEBRUARY)
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               
 24 Jan   1010 0012    2  
 25 Jan   2212 0001    3  
 26 Jan   1032 3333   10  In the SWS magnetometer data for 26 
                          Jan, a weak (20nT) impulse was observed 
                          at 0816UT.
 27 Jan   3333 3312   12  
 28 Jan   2221 1122    5  
 29 Jan   2111 2211    4  
 30 Jan   1121 2212    5  
 31 Jan   2233 3333   13  
 01 Feb   3333 4533   20  

*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.


Active on 1 Feb.   Quiet to unsettled on other days.

2. FORECAST (02 FEBRUARY - 04 MARCH)
Disturbed Periods: 
2 Feb,  14 Feb,  27-28 Feb.

Best Quiet Periods: 
 7-13 Feb, 19-22 Feb,  25-26 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
No disturbed periods.

Central Australian Regions: 
Mildly disturbed:
2-3 Feb, Feb 23-24

Southern Australian Regions:
 Disturbed Periods: 2-3 Feb, 23-24 Feb.
 Best Quiet Periods: 7-12 Feb, 20-21 Feb, 25-26 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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