[Ips-wgr] IPS Weekly Geo. Report (02 May 13) issued 0215 UT on 02 May 2013
rwc at ips.gov.au
Thu May 2 12:15:58 EST 2013
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 02 MAY 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (23 APRIL - 01 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
Date K-INDICES A
23 Apr 1221 2222 6
24 Apr 3224 3232 12
25 Apr 2212 2222 6
26 Apr 2333 3322 12
27 Apr 2211 2211 5
28 Apr 1111 3122 5
29 Apr 2111 2112 4
30 Apr 2112 2112 5
01 May 2334 5343 21
*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 International Center for Space Weather
Science and Education, Japan.
Active on 1 May. Quiet to unsettled on other days.
2. FORECAST (02 MAY - 01 JUNE)
Best Quiet Periods:
3-10 May, 12-20 May, 24-28 May.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Mildly Disturbed Periods: 23-May
Best Quiet Periods: 2-6 May, 8-9 May, 11-28 May.
Southern Australian Regions:
Disturbed Periods: 23-May.
Best Quiet Periods: 2-9 May, 11-22 May, 24-28 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
Geomagnetic activity can frequently be determined by short timescale
solar events that cannot be forecast a week in advance, particularly
at solar maximum.
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