[Ips-wgr] IPS Weekly Geo. Report (08 August 13) issued 0218 UT on 08 Aug 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 08 AUGUST 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (30 JULY - 07 AUGUST)
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               
 30 Jul   1221 1011    3  
 31 Jul   1110 0011    1  
 01 Aug   1110 1101    2  
 02 Aug   1100 0001    1  
 03 Aug   1100 1001    1  
 04 Aug   1222 1423    9  
 05 Aug   3324 3222   12  
 06 Aug   1211 1012    3  
 07 Aug   1110 0000    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 observed over the last week with Active periods on
04Aug and 05Aug due to coronal hole effects. Possible Active to Minor Storm
level
activity from 19UT on 09Aug to 11Aug due to glancing blow CME. Elevated solar
wind 
parameters beginning on 12Aug due to recurrent coronal hole.

2. FORECAST (08 AUGUST - 07 SEPTEMBER)
Disturbed Periods: 
11 Aug,  14-15 Aug,  21-22 Aug.

Best Quiet Periods: 
 8 Aug,  12-13 Aug,  16-20 Aug,  24-30 Aug,  2 Sep.

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

Central Australian Regions:
 Mildly Disturbed Periods: 15-16 Aug 
 Best Quiet Periods: 8-14 Aug,  16-21 Aug,  23 Aug to 3 Sep.

Southern Australian Regions:
 Disturbed Periods: 15-16 Aug
 Best Quiet Periods: 8-14 Aug,  16-21 Aug,  23 Aug to 3 Sep.


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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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