[Ips-wgr] IPS Weekly Geo. Report (21 August 14) issued 0155 UT on 21 Aug 2014

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 21 AUGUST 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (12 AUGUST - 20 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               
 12 Aug   2111 1233    7  
 13 Aug   2212 2011    4  
 14 Aug   1111 0001    1  
 15 Aug   1110 2001    2  
 16 Aug   1100 0001    1  
 17 Aug   1112 3101    4  
 18 Aug   1120 1110    2  
 19 Aug   1032 1145   13  
 20 Aug   2122 1011    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.


Mostly quiet. Late unsettled conditions on 12 Aug probably due to a
small coronal hole and active to minor storm levels late on 19 Aug
due to ~6 hours of southward IMF caused by a CME impact 19 Aug/0558 UT.

2. FORECAST (21 AUGUST - 20 SEPTEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 24 Aug,  28-29 Aug  31 Aug to 2 Sep,  4 Sep,  6 Sep,  8 Sep,  15 Sep,
 20 Sep.

Best Quiet Periods: 
 22-23 Aug,  25-27 Aug,  30 Aug,  3 Sep,  5 Sep,  9-19 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 21 Aug to 20 Sep.


Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 21 Aug to 6 Sep,  10 to 20 Sep.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 21 Aug to 6 Sep,  10 to 20 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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