[Ips-wgr] SWS Weekly Geo. Report (09 April 20) issued 0313 UT on 09 Apr 2020
rwc
rwc at ips.gov.au
Thu Apr 9 13:13:44 EST 2020
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 09 APRIL 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (31 MARCH - 08 APRIL)
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
31 Mar 2232 2321 8
01 Apr 1210 0211 3
02 Apr 1221 1122 5
03 Apr 2201 1312 5
04 Apr 2101 0011 2
05 Apr 2111 1100 2
06 Apr 1000 1000 0
07 Apr 0000 0011 0
08 Apr 1223 3322 9
*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 (09 APRIL - 09 MAY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
9-11 Apr, 15 Apr, 17-19 Apr, 26-27 Apr, 29-30 Apr.
Best Quiet Periods:
12-14 Apr, 20-25 Apr, 28 Apr, 1-4 May.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 12-14 Apr, 20-25 Apr, 1-4 May.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 12-14 Apr, 20-25 Apr, 1-4 May.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 12-14 Apr, 20-25 Apr, 1-4 May.
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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