[Ips-wgr] IPS Weekly Geo. Report (19 February 15) issued 0204 UT on 19 Feb 2015

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 19 FEBRUARY 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (10 FEBRUARY - 18 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               
 10 Feb   1211 1122    4  
 11 Feb   1311 2001    4  
 12 Feb   2111 2111    4  
 13 Feb   0011 1101    1  
 14 Feb   1101 0002    2  
 15 Feb   2322 2111    6  
 16 Feb   1211 2123    6  
 17 Feb   3333 2323   13  
 18 Feb   4322 3222   11  

*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 (19 FEBRUARY - 21 MARCH)
Disturbed Periods: 
20-21 Feb: Slightly disturbed
28 Feb - 2 Mar: Mildly disturbed
16-18 Mar: Mildly disturbed.

Best Quiet Periods: 8-15 Mar.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 19-27 Feb,  2-17 Mar.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 2-17 Mar.

Southern Australian Regions:
 Disturbed Periods: 27 Feb to 1 Mar.
 Best Quiet Periods: 3-17 Mar.


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.

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