[Ips-wgr] SWS Weekly Geo. Report (28 June 18) issued 0154 UT on 28 Jun 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Jun 28 11:54:30 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 28 JUNE 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (19 JUNE - 27 JUNE)
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
19 Jun 1122 2011 4
20 Jun 1122 1000 2
21 Jun 1100 0000 0
22 Jun 0110 0110 1
23 Jun 1224 4212 11
24 Jun 2222 3111 6
25 Jun 1102 4224 10
26 Jun 3233 5332 17
27 Jun 1211 2112 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.
Active on 26 Jun. Quiet to unsettled on other days.
2. FORECAST (28 JUNE - 28 JULY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
28 Jun, 15 Jul, 20-24 Jul.
Best Quiet Periods:
29 Jun to 14 Jul, 16-19 Jul.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Mildly disturbed Periods: None.
Best Quiet Periods: 02-09 Jul, 14-21 Jul.
Central Australian Regions:
Mildly disturbed Periods: 22-24 Jul
Best Quiet Periods: 02-09 Jul, 14-21 Jul.
Southern Australian Regions:
Disturbed Periods: 22-24 Jul.
Best Quiet Periods: 02-09 Jul, 14-21 Jul
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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