[Ips-wgr] IPS Weekly Geo. Report (18 November 10)
rwc
rwc at ips.gov.au
Thu Nov 18 13:49:32 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 NOVEMBER 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 NOVEMBER - 17 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
09 Nov 2111 1111 3
10 Nov 1111 0223 5
11 Nov 3223 3323 12
12 Nov 3223 4212 11
13 Nov 2211 2222 6
14 Nov 3111 1323 8
15 Nov 3323 2113 10
16 Nov 3222 3222 9
17 Nov 2322 2122 7
*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 (18 NOVEMBER - 18 DECEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
19-22 Nov, 8 Dec to 10 Dec
Best Quiet Periods:
23 Nov to 7 Dec, 11 Dec to 13 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 18 Nov to 24 Nov.
Central Australian Regions:
Disturbed Periods: Possibly mildly disturbed 19-23 November.
Best Quiet Periods: 18 Nov. and 24 Nov.
Southern Australian Regions:
Disturbed Periods: Possibly mildly disturbed 19-23 November.
Best Quiet Periods: 18 Nov and 24 Nov.
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
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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