[Ips-wgr] IPS Weekly Geo. Report (07 May 15) issued 0220 UT on 07 May 2015
rwc
rwc at ips.gov.au
Thu May 7 12:20:17 EST 2015
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 07 MAY 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 APRIL - 06 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
28 Apr 1112 2111 4
29 Apr 1102 0101 2
30 Apr 1120 0011 2
01 May 2210 0111 3
02 May 2221 1122 5
03 May 2221 1111 4
04 May 2121 2211 5
05 May 1112 2002 3
06 May 3333 4432 17
*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 6 May. Quiet to unsettled on other days.
2. FORECAST (07 MAY - 06 JUNE)
Disturbed Periods:
12 May.
Best Quiet Periods:
20-29 May, 31 May to 2 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 13-15 May.
Best Quiet Periods: 8-11 May, 16-17 May, 20 May to 2 Jun.
Southern Australian Regions:
Disturbed Periods: 13-15 May, 18 May.
Best Quiet Periods: 8-11 May, 17 May, 20 May to 2 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.
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