[Ips-wgr] IPS Weekly Geo. Report (06 May 10)
Regional Warning Centre
rwc at ips.gov.au
Thu May 6 14:30:09 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 06 MAY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (27 APRIL - 05 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
27 Apr 2211 0111 3
28 Apr 1211 1001 2
29 Apr 2311 1111 5
30 Apr 1111 2111 3
01 May 1111 1211 3
02 May 1223 4443 16
03 May 3334 4333 18
04 May 3234 3223 13
05 May 2221 2232 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.
active 2 May to 3 May.
quiet to unsettled on other days.
2. FORECAST (06 MAY - 05 JUNE)
Disturbed Periods:
active on 30 May.
Best Quiet Periods:
7 May to 8 May, 10 May, 13 May to 20 May, 22 May to 29 May.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 6 May to 26 May.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 6 May to 26 May.
Southern Australian Regions:
Disturbed Periods: 24 May to 25 May.
Best Quiet Periods: 6 May to 21 May.
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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