[Ips-wgr] SWS Weekly Geo. Report (28 July 16) issued 0200 UT on 28 Jul 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 28 JULY 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (19 JULY - 27 JULY)
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               
 19 Jul   1100 1203    3  
 20 Jul   4332 2210   10  
 21 Jul   1111 1201    3  
 22 Jul   1122 2221    5  
 23 Jul   2222 0001    3  
 24 Jul   2111 1333    8  
 25 Jul   3334 4222   15  
 26 Jul   0101 2111    2  
 27 Jul   1100 1001    1  

*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 due to coronal hole activity in 
the early part of the week and a glancing blow CME
in the latter half. 

2. FORECAST (28 JULY - 27 AUGUST)
Disturbed Periods: No strong recurrent patterns, however mild 
activity may be experienced on: 28-30 Jul,  3-12 Aug,  16 Aug,  
18-21 Aug.

Best Quiet Periods: 
 31 Jul to 2 Aug,  13-15 Aug,  17 Aug,  22-23 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet 

Central Australian Regions:
 Mildly Disturbed Periods: 28-29Jul, 4-12 Aug.
 Best Quiet Periods: 13-15 Aug,  17-23 Aug.

Southern Australian Regions:
 Disturbed Periods: 4-12 Aug.
 Best Quiet Periods:  13-15 Aug,  17-20 Aug,  22-23 Aug.


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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