[Ips-wgr] IPS Weekly Geo. Report (11 December 14) issued 0145 UT on 11 Dec 2014
rwc at ips.gov.au
Thu Dec 11 12:45:18 EST 2014
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 11 DECEMBER 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (02 DECEMBER - 10 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
02 Dec 3321 3222 9
03 Dec 2113 2222 7
04 Dec 2111 3323 8
05 Dec 2223 3223 10
06 Dec 2233 2344 15
07 Dec 3233 4333 15
08 Dec 3222 3323 11
09 Dec 3223 3233 12
10 Dec 2232 2112 7
*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 (11 DECEMBER - 10 JANUARY)
13-Dec, 3 Jan, 9-Jan
Best Quiet Periods:
11-12 Dec, 16 Dec, 19-27 Dec, 30 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 11 Dec to 1 Jan, 5-10 Jan
Central Australian Regions:
Disturbed Periods: 2-3 Jan.
Best Quiet Periods: 14-27 Dec, 30-31 Dec.
Southern Australian Regions:
Disturbed Periods: 28-29 Dec, 2-5 Jan, 7-8 Jan.
Best Quiet Periods: 11 Dec, 18-26 Dec, 31 Dec to 1 Jan.
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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