[Ips-wgr] IPS Weekly Geo. Report (20 February 14) issued 0240 UT on 20 Feb 2014

rwc rwc at ips.gov.au
Thu Feb 20 13:40:25 EST 2014


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 20 FEBRUARY 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 FEBRUARY - 19 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               
 11 Feb   1221 1112    4  
 12 Feb   4311 1212    8  
 13 Feb   1112 0002    2  
 14 Feb   1122 2112    5  
 15 Feb   2110 3335   13  In the IPS magnetometer data for 15 
                          Feb, a weak (13nT) impulse was observed 
                          at 1318UT.
 16 Feb   4433 4432   20  
 17 Feb   2110 1112    3  
 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.

*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 16 Feb, 19 Feb due to CME effects. Quiet to Unsettled on other days.

2. FORECAST (20 FEBRUARY - 22 MARCH)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 20-22 Feb,  7 Mar,  9 Mar.

Best Quiet Periods: 
 23 Feb to 6 Mar,  8 Mar,  10-18 Mar.

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

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 20 Feb to 17 Mar.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 20 Feb to 6 Mar,  9-14 Mar,  16-17 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.

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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