[Ips-wgr] IPS Weekly Geo. Report (06 January 11)
rwc
rwc at ips.gov.au
Thu Jan 6 12:46:57 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 06 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 DECEMBER - 05 JANUARY)
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
28 Dec 2232 5431 16
29 Dec 2211 2212 5
30 Dec 1122 2321 6
31 Dec 2212 1111 4
01 Jan 2221 2111 5
02 Jan 1222 1222 6
03 Jan 2112 2222 6
04 Jan 2212 2211 5
05 Jan 1011 1022 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 Space Environment Research Center, Japan.
active on 28 Dec.
quiet to unsettled on other days.
2. FORECAST (06 JANUARY - 05 FEBRUARY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
7-8 Jan, 11 to 13 Jan
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet
Central Australian Regions: Mildly Disturbed 7-8 & 11-13 Jan
Southern Australian Regions: Disturbed 7-8 & 11-13 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.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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