[Ips-wgr] IPS Weekly Geo. Report (06 December 12) issued 0156 UT on 06 Dec 2012
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
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)
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
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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