[Ips-wgr] IPS Weekly Geo. Report (18 December 14) issued 0057 UT on 18 Dec 2014
rwc
rwc at ips.gov.au
Thu Dec 18 11:57:56 EST 2014
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 DECEMBER 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 DECEMBER - 17 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
09 Dec 3223 3233 12
10 Dec 2232 2112 7
11 Dec 2110 0122 3
12 Dec 3233 4233 14
13 Dec 2221 2212 6
14 Dec 2212 2232 7
15 Dec 2223 3323 11
16 Dec 2212 3122 7
17 Dec 2211 0222 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.
Quiet to unsettled conditions.
2. FORECAST (18 DECEMBER - 17 JANUARY)
Disturbed Periods:
19-20 Dec, 3 Jan.
Best Quiet Periods:
18 Dec, 21-27 Dec, 30 Dec, 6-7 Jan, 9 Jan, 12 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 21 Dec to 12 Jan.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 21-28 Dec, 30 Dec to 1 Jan, 6-12 Jan.
Southern Australian Regions:
Disturbed Periods: 29 Dec, 2-5 Jan.
Best Quiet Periods: 21-27 Dec, 1 Jan, 6-12 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
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.
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