[Ips-wgr] IPS Weekly Geo. Report (19 November 09)
Regional Warning Centre
rwc at ips.gov.au
Thu Nov 19 14:30:07 EST 2009
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 19 NOVEMBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 NOVEMBER - 18 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
Date K-INDICES A
10 Nov 1211 1111 3
11 Nov 1121 1011 3
12 Nov 1111 1011 2
13 Nov 1211 1112 4
14 Nov 2233 2222 9
15 Nov 2112 3311 7
16 Nov 2111 1011 3
17 Nov 2111 0011 2
18 Nov 1221 1112 4
*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.
Quiet to unsettled conditions.
2. FORECAST (19 NOVEMBER - 19 DECEMBER)
No strong recurrent patterns, however mild activity may be experienced on:
20 Nov to 21 Nov, 26 Nov, 15 Dec.
Best Quiet Periods:
19 Nov, 22 Nov to 25 Nov, 27 Nov to 14 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 19 Nov to 9 Dec.
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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PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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