[Ips-wgr] IPS Weekly Geo. Report (02 June 11)
rwc
rwc at ips.gov.au
Thu Jun 2 12:26:18 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 02 JUNE 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (24 MAY - 01 JUNE)
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
24 May 1111 2201 3
25 May 1110 0001 1
26 May 1110 1311 4
27 May 1212 3343 11
28 May 3255 6213 27
29 May 3544 3332 21
30 May 2223 3112 8
31 May 2233 2222 9
01 Jun 2131 2323 9
*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 with an active period on 27 May. Active to minor
storm levels on 28 and 29 May.
2. FORECAST (02 JUNE - 02 JULY)
Disturbed Periods:
2-5 Jun, 24-26 Jun, 29 Jun to 1 Jul.
Best Quiet Periods:
7-10 Jun, 15-22 Jun, 2 Jul.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None
Best Quiet Periods: 2 Jun to 2 Jul
Central Australian Regions:
Mildly Disturbed Periods: 2-5 Jun, 12-14 Jun, 24-27 Jun, 30 Jun to 2 Jul.
Best Quiet Periods: 6-11 Jun, 15-23 Jun, 28-29 Jun.
Southern Australian Regions:
Disturbed Periods: 2-5 Jun, 12-14 Jun, 24-27 Jun, 30 Jun to 2 Jul.
Best Quiet Periods: 6-11 Jun, 15-23 Jun, 28-29 Jun.
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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