[Ips-wgr] SWS Weekly Geo. Report (17 January 19) issued 0217 UT on 17 Jan 2019 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Jan 17 13:17:33 EST 2019
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 17 JANUARY 2019, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (08 JANUARY - 16 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
08 Jan 2212 1111 4
09 Jan 2122 1012 4
10 Jan 1121 2001 3
11 Jan 2231 2111 6
12 Jan 1110 1101 2
13 Jan 1111 0002 2
14 Jan 2222 2212 6
15 Jan 1111 1121 3
16 Jan 1221 1122 5
*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 JANUARY - 16 FEBRUARY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
23-26 Jan, 31 Jan to 2 Feb.
Best Quiet Periods:
17-22 Jan, 27-30 Jan, 3-16 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 17 Jan to 16 Feb
Central Australian Regions:
Disturbed Periods: Mildly Disturbed 23-26 Jan and 1-3 Feb
Best Quiet Periods: 17-22 Jan, 27-31 Jan and 4-16 Feb
Southern Australian Regions:
Disturbed Periods: 23-26 Jan and 1-3 Feb
Best Quiet Periods: 17-22 Jan, 27-31 Jan and 4-16 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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