[Ips-wgr] IPS Weekly Geo. Report (12 December 13) issued 0209 UT on 12 Dec 2013
rwc at ips.gov.au
Thu Dec 12 13:09:18 EST 2013
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 12 DECEMBER 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (03 DECEMBER - 11 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
03 Dec 1222 3222 7
04 Dec 2120 1112 4
05 Dec 1112 1112 4
06 Dec 2211 0112 4
07 Dec 2110 1123 5
08 Dec 4542 2422 19
09 Dec 2101 1212 4
10 Dec 2211 2111 4
11 Dec 1111 1001 2
*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.
Active conditions observed for 8 Dec. Quiet to Unsettled on other days.
Possible Active conditions for 12 Dec to 13 Dec due to coronal hole effects.
2. FORECAST (12 DECEMBER - 11 JANUARY)
Disturbed Periods: 13 Dec, 4 Jan
Best Quiet Periods:
15-27 Dec, 29 Dec to 3 Jan, 5-7 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet.
Central Australian Regions:
Disturbed Periods: Mildly Disturbed 12 Dec to 13 Dec
Best Quiet Periods: 14 Dec to 7 Jan.
Southern Australian Regions:
Disturbed Periods: 12 Dec to 13 Dec
Best Quiet Periods: 14 Dec to 3 Jan, 5-7 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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