[Ips-wgr] IPS Weekly Geo. Report (05 January 12) issued 0151 UT on 05 Jan 2012
rwc
rwc at ips.gov.au
Thu Jan 5 12:51:27 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 05 JANUARY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (27 DECEMBER - 04 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
27 Dec 1110 0011 1
28 Dec 1212 3322 8
29 Dec 1234 2222 10
30 Dec 2221 1233 8
31 Dec 2123 1111 5
01 Jan 2222 1111 5
02 Jan 2111 2132 6
03 Jan 3222 2212 7
04 Jan 1101 2112 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.
Quiet to unsettled conditions with some brief activity on 29 Dec.
A weak (11nT) impulse was observed in the IPS magnetometer data at
1115UT on 28 Dec.
2. FORECAST (05 JANUARY - 04 FEBRUARY)
Disturbed Periods: No strong recurrent patterns, however mild activity
may be experienced on 5 Jan to 7 Jan, 30 Jan.
Best Quiet Periods:
9 Jan to 29 Jan, 31 Jan, 4 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Jan to 31 Jan, 4 Feb.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Jan to 31 Jan, 4 Feb.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Jan to 31 Jan, 4 Feb.
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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