[Ips-wgr] IPS Weekly Geo. Report (22 November 12) issued 0204 UT on 22 Nov 2012

rwc rwc at ips.gov.au
Thu Nov 22 13:04:41 EST 2012


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 22 NOVEMBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 NOVEMBER - 21 NOVEMBER)
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               
 13 Nov   4334 3322   16  
 14 Nov   3444 4112   17  
 15 Nov   1101 1112    3  
 16 Nov   2211 2122    5  
 17 Nov   2223 3222    9  
 18 Nov   1211 2112    4  
 19 Nov   2121 2211    5  
 20 Nov   2233 2332   11  
 21 Nov   2222 1112    5  

*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.

A weak (12nT) impulse was observed 13 Nov/0416 UT in the IPS
magnetometer data. Active on 13-14 Nov, quiet to unsettled on other
days.

2. FORECAST (22 NOVEMBER - 22 DECEMBER)
Disturbed Periods: 23-24 Nov.

Best Quiet Periods: 29 Nov to 3 Dec, 05 Dec to 08 Dec, 11 Dec to 22 Dec.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed periods: none
Best Quiet periods: 22 Nov, 26 Nov to 22 Dec

Central Australian Regions:
Mildly Disturbed periods: 23 Nov to 24 Nov
Best Quiet periods: 22 Nov, 26 Nov to 22 Dec

Southern Australian Regions:
Disturbed periods: 23 Nov to 24 Nov
Best Quiet periods: 26 Nov to 22 Dec

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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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