[Ips-wgr] SWS Weekly Geo. Report (31 May 18) issued 0054 UT on 31 May 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu May 31 10:54:20 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 31 MAY 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (22 MAY - 30 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
22 May 0021 2211 3
23 May 1232 2101 5
24 May 1211 0000 2
25 May 1100 1000 1
26 May 1000 0001 0
27 May 1211 1001 2
28 May 1110 0000 1
29 May 1210 0000 1
30 May 0110 0011 1
*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.
Quiet to unsettled conditions.
2. FORECAST (31 MAY - 30 JUNE)
Disturbed Periods:
1-3 Jun.
Best Quiet Periods:
31 May, 10-12 Jun, 14-18 Jun, 20-26 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 31 May, 7-27 Jun.
Central Australian Regions:
Mildly Disturbed Periods: 1-5 Jun.
Best Quiet Periods: 31 May. 7-27 Jun.
Southern Australian Regions:
Disturbed Periods: 1-5 Jun.
Best Quiet Periods: 31 May, 7-26 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.
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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