[Ips-wgr] IPS Weekly Geo. Report (01 December 11) issued 0213 UT on 01 Dec 2011
rwc
rwc at ips.gov.au
Thu Dec 1 13:13:57 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 01 DECEMBER 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (22 NOVEMBER - 30 NOVEMBER)
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
22 Nov 2222 3212 7
23 Nov 2221 2112 5
24 Nov 2213 3122 8
25 Nov 2221 1112 5
26 Nov 2111 1123 5
27 Nov 2222 2212 6
28 Nov 2110 0014 5
29 Nov 4543 1222 17
30 Nov 4213 3233 13
*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 Space Environment Research Center, Japan.
Active on 29 Nov.
Unsettle to Active on 30 Nov
Quiet to Unsettled on other days.
2. FORECAST (01 DECEMBER - 31 DECEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
1 Dec to 2 Dec.
Best Quiet Periods:
3 Dec to 27 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
No disturbed periods forecast for all regions, based on lack of strong
recurrent patterns.
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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