[Ips-wgr] SWS Weekly Geo. Report (19 October 17) issued 0129 UT on 19 Oct 2017 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Oct 19 12:29:17 EST 2017
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 19 OCTOBER 2017, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 OCTOBER - 18 OCTOBER)
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
10 Oct 1001 0002 1
11 Oct 2244 3433 17
12 Oct 4234 4322 16
13 Oct 2424 5334 21
14 Oct 3345 4332 21
15 Oct 3324 4421 16
16 Oct 1212 2012 4
17 Oct 2113 2111 5
18 Oct 1102 1011 2
*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 11-15 Oct. Quiet to unsettled on other days.
2. FORECAST (19 OCTOBER - 18 NOVEMBER)
Disturbed Periods:
24-29 Oct, 7-11 Nov.
Best Quiet Periods:
19 Oct, 22-23 Oct, 30 Oct to 6 Nov, 12-14 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Mildly Disturbed Periods: 08-09 Nov.
Best Quiet Periods: 30 Oct to 6 Nov, 12-14 Nov.
Central Australian Regions:
Mildly Disturbed Periods: 08-09 Nov.
Best Quiet Periods: 30 Oct to 6 Nov, 12-14 Nov.
Southern Australian Regions:
Disturbed Periods: 24-29 Oct, 7-11 Nov.
Best Quiet Periods: 30 Oct to 6 Nov, 12-14 Nov.
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.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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