[Ips-wgr] IPS Weekly Geo. Report (02 April 15) issued 0134 UT on 02 Apr 2015

rwc rwc at ips.gov.au
Thu Apr 2 12:34:52 EST 2015


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 02 APRIL 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (24 MARCH - 01 APRIL)
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 Mar   1213 3432   11  
 25 Mar   2223 4222   10  In the IPS magnetometer data for 25 
                          Mar, a weak (16nT) impulse was observed 
                          at 1322UT.
 26 Mar   2120 2222    5  
 27 Mar   2222 3211    7  
 28 Mar   1222 2223    7  
 29 Mar   3223 3122    9  
 30 Mar   1111 0012    2  
 31 Mar   1122 3322    8  In the IPS magnetometer data for 31 
                          Mar, a weak (11nT) impulse was observed 
                          at 0834UT.
 01 Apr   2222 1222    6  

*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 (02 APRIL - 02 MAY)
Disturbed Periods: 
2 Apr,  19 Apr,  25 Apr.

Best Quiet Periods: 
 4-6 Apr,  8-11 Apr,  14 Apr,  22-23 Apr,  28 Apr.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
Best Quiet Periods: 4-12 Apr,  22-28 Apr

Central Australian Regions: 
Best Quiet Periods: 4-12 Apr,  22-28 Apr

Southern Australian Regions:
 Disturbed Periods: 3 Apr,  13 Apr,  16-17 Apr,  21 Apr.
 Best Quiet Periods: 2 Apr,  6-12 Apr,  23-27 Apr.


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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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