[Ips-wgr] IPS Weekly Geo. Report (27 February 14) issued 0214 UT on 27 Feb 2014

rwc rwc at ips.gov.au
Thu Feb 27 13:14:29 EST 2014


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 27 FEBRUARY 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (18 FEBRUARY - 26 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               
 18 Feb   1121 2322    6  
 19 Feb   2344 5322   19  In the IPS magnetometer data for 19 
                          Feb, a weak (9nT) impulse was observed 
                          at 0348UT.
 20 Feb   1544 4322   20  
 21 Feb   2112 2312    6  
 22 Feb   2222 2322    8  
 23 Feb   1243 2444   17  In the IPS magnetometer data for 23 
                          Feb, a weak (13nT) impulse was observed 
                          at 0704UT and a weak (6nT) impulse 
                          was observed at 1829UT.
 24 Feb   1212 1111    4  
 25 Feb   3100 1101    3  
 26 Feb   1010 0001    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.


Active on 19-20 Feb,  23 Feb.   Quiet to unsettled on other days.

2. FORECAST (27 FEBRUARY - 29 MARCH)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 27 Feb,  1 Mar,  7 Mar,  9 Mar,  20 Mar.

Best Quiet Periods: 
 28 Feb,  2-6 Mar,  8 Mar,  10-19 Mar,  21-25 Mar.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS - based on recurrence
Northern Australian Regions: NA

Central Australian Regions:
 Mildly Disturbed Periods: 19th March
 Best Quiet Periods: 27 Feb to 18 Mar, 20-29 March.

Southern Australian Regions:
 Disturbed Periods: 19th March
 Best Quiet Periods: 27 Feb to 7 Mar,  10-18 Mar,  20-25 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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