[Ips-wgr] IPS Weekly Geo. Report (17 May 12) issued 0207 UT on 17 May 2012
rwc
rwc at ips.gov.au
Thu May 17 12:07:14 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 17 MAY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (08 MAY - 16 MAY)
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
08 May 2211 1113 5
09 May 3333 3332 14
10 May 2322 2223 9
11 May 3322 1222 8
12 May 2223 2222 8
13 May 2223 2222 8
14 May 2110 0111 2
15 May 2221 0002 3
16 May 2211 3223 8
*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 (17 MAY - 16 JUNE)
Disturbed Periods:
22-23 May, 5-8 Jun.
Best Quiet Periods:
17-20 May, 25-29 May, 31 May to 3 Jun, 10-16 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 17-21 May, 24 May to 4 Jun, 10-16 Jun.
Central Australian Regions:
Mildly disturbed Periods: 22-23 May, 05-08 Jun.
Best Quiet Periods: 17 -20 May , 25 May to 4 Jun, 10-16 Jun.
Southern Australian Regions:
Disturbed Periods: 22-23 May, 05-08 Jun.
Best Quiet Periods: 17 -20 May , 25 May to 3 Jun, 10-16 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
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