[Ips-wgr] SWS Weekly Geo. Report (14 October 21) issued 0201 UT on 14 Oct 2021
rwc
rwc at ips.gov.au
Thu Oct 14 13:01:08 EST 2021
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 14 OCTOBER 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (05 OCTOBER - 13 OCTOBER)
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
05 Oct 1101 2002 2
06 Oct 1222 2221 6
07 Oct 2220 1201 4
08 Oct 1100 1001 1
09 Oct 1110 2101 2
10 Oct 1211 2224 8
11 Oct 2222 2232 8
12 Oct 4356 4333 30 In the SWS magnetometer data for 12
Oct, a weak (13nT) impulse was observed
at 0226UT.
13 Oct 2100 0101 2
*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.
Minor storm on 12 Oct. Quiet to unsettled on other days.
2. FORECAST (14 OCTOBER - 13 NOVEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
19-20 Oct, 25 Oct, 27-29 Oct
Best Quiet Periods:
16-18 Oct, 21-24 Oct, 26 Oct, 30 Oct to 1 Nov, 3-5 Nov, 8-9 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 14 Oct to 9 Nov.
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 14-20 Oct, 22-24 Oct, 26 Oct to 9 Nov.
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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