[Ips-wgr] IPS Weekly Geo. Report (25 February 16) issued 0120 UT on 25 Feb 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Feb 25 12:20:04 EST 2016
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 25 FEBRUARY 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (16 FEBRUARY - 24 FEBRUARY)
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
16 Feb 3234 4433 18
17 Feb 3332 4334 17
18 Feb 3344 3343 19
19 Feb 2223 3332 11
20 Feb 2220 2101 4
21 Feb 1100 0022 2
22 Feb 1101 1112 3
23 Feb 2101 1122 4
24 Feb 1111 2111 3
*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 16-18 Feb. Quiet to unsettled on other days.
2. FORECAST (25 FEBRUARY - 26 MARCH)
Disturbed Periods:
14-16 Mar.
Best Quiet Periods:
26-27 Feb, 29 Feb, 2 Mar, 4-5 Mar, 8 Mar, 11 Mar, 18-21 Mar.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Quiet
Central Australian Regions:
Mildly disturbed: 14-17 Mar
Best quiet periods: 25-Feb to 12-Mar, 19-26 Mar
Southern Australian Regions:
Disturbed: 14-17 Mar
Best quiet periods: 25-Feb to 12-Mar, 19-26 Mar
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 ips.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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