[Ips-wgr] IPS Weekly Geo. Report (19 September 13) issued 0354 UT on 19 Sep 2013
rwc at ips.gov.au
Thu Sep 19 13:54:12 EST 2013
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 19 SEPTEMBER 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 SEPTEMBER - 18 SEPTEMBER)
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
10 Sep 0002 2322 5
11 Sep 2112 2111 4
12 Sep 1111 1012 3
13 Sep 2221 2421 8
14 Sep 2121 2001 3
15 Sep 1000 0001 0
16 Sep 1111 1101 2
17 Sep 2220 2232 7
18 Sep 2101 2212 4
*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.
Occasional unsettled periods due to high speed streams from coronal holes.
Quiet to unsettled conditions.
2. FORECAST (19 SEPTEMBER - 19 OCTOBER)
No strong recurrent patterns, however mild activity may be experienced on:
19-20 Sep, 23-24 Sep, 27-29 Sep, 10 Oct, 14-15 Oct.
Best Quiet Periods:
21-22 Sep, 25-26 Sep, 30 Sep to 9 Oct, 11-13 Oct.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 19 Sep to 15 Oct.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 20 Sep to 9 Oct, 11-15 Oct.
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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