[Ips-wgr] SWS Weekly Geo. Report (05 August 21) issued 0146 UT on 05 Aug 2021
rwc
rwc at ips.gov.au
Thu Aug 5 11:46:14 EST 2021
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 05 AUGUST 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (27 JULY - 04 AUGUST)
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
27 Jul 0112 1012 3
28 Jul 3332 1321 10
29 Jul 2222 2112 6
30 Jul 0112 2111 3
31 Jul 1222 2211 5
01 Aug 1000 0111 1
02 Aug 0111 2453 13
03 Aug 3222 2101 6
04 Aug 1111 0100 1
*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 (05 AUGUST - 04 SEPTEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
6-7 Aug, 10-11 Aug, 15-16 Aug, 18 Aug, 24-26 Aug, 29-30 Aug.
Best Quiet Periods:
5 Aug, 8-9 Aug, 12-14 Aug, 17 Aug, 19-23 Aug, 27-28 Aug, 31 Aug.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 5-31 Aug.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 5-26 Aug, 28 Aug, 30-31 Aug.
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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