[Ips-wgr] SWS Weekly Geo. Report (17 May 18) issued 0109 UT on 17 May 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu May 17 11:09:49 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 17 MAY 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (08 MAY - 16 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
08 May 2333 2422 12
09 May 2232 3232 10
10 May 2233 2311 9
11 May 1232 3232 9
12 May 2312 0112 5
13 May 1223 2211 6
14 May 0111 2001 2
15 May 0010 0101 1
16 May 0000 1021 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 (17 MAY - 16 JUNE)
Disturbed Periods:
17-19 May, 2-6 June.
Best Quiet Periods:
20-31 May, 8-12 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 20-31 May, 8-12 Jun.
Central Australian Regions:
Mildly Disturbed Periods: 17-19 May, 2-6 June.
Best Quiet Periods: 20-31 May, 8-12 Jun..
Southern Australian Regions:
Disturbed Periods: 17-19 May, 2-6 June.
Best Quiet Periods: 20-31 May, 8-12 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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