[Ips-wgr] SWS Weekly Geo. Report (01 February 18) issued 0207 UT on 01 Feb 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Feb 1 13:07:43 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 01 FEBRUARY 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (23 JANUARY - 31 JANUARY)
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
23 Jan 2111 2201 4
24 Jan 0111 3323 7
25 Jan 3222 2322 9
26 Jan 2221 0022 4
27 Jan 2122 1122 5
28 Jan 2101 3111 4
29 Jan 1111 1011 2
30 Jan 1222 1101 4
31 Jan 1022 3122 6
*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 (01 FEBRUARY - 03 MARCH)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
1 Feb, 4-5 Feb, 10 Feb, 17-18 Feb.
Best Quiet Periods:
2-3 Feb, 7-8 Feb, 12-16 Feb, 19-20 Feb, 22-27 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 2-9 Feb, 12-23 Feb.
Central Australian Regions:
Mildly disturbed Periods:5 Feb, 10-11 Feb, 18 Feb
Best Quiet Periods: 6-9 Feb, 12-16 Feb, 19-22 Feb.
Southern Australian Regions:
Disturbed Periods: 5 Feb, 10-11 Feb, 18 Feb
Best Quiet Periods: 6-9 Feb, 12-16 Feb, 19-22 Feb.
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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