[Ips-wgr] IPS Weekly Geo. Report (06 December 12) issued 0156 UT on 06 Dec 2012
rwc
rwc at ips.gov.au
Thu Dec 6 12:56:22 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 06 DECEMBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (27 NOVEMBER - 05 DECEMBER)
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
27 Nov 1112 2121 4
28 Nov 2111 0012 3
29 Nov 2112 1212 5
30 Nov 1112 1111 3
01 Dec 1111 2222 5
02 Dec 2233 3111 8
03 Dec 1222 2212 6
04 Dec 2331 1111 6
05 Dec 2111 0112 3
*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 (06 DECEMBER - 05 JANUARY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
10-11 Dec, 18 Dec, 21 Dec, 1 Jan.
Best Quiet Periods:
6-9 Dec, 12-17 Dec, 19-20 Dec, 22-31 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed periods: None
Best Quiet periods: 06-09 Dec, 12 Dec to 05 Jan.
Central Australian Regions:
Disturbed periods: None
Best Quiet periods: 06-09 Dec, 12-16 Dec, 22-31 Dec.
Southern Australian Regions:
Disturbed periods: 10-11 Dec, 18 Dec, 21 Dec, 01 Jan.
Best Quiet periods: 06-09 Dec, 12-16 Dec, 22-30 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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