[Ips-wgr] SWS Weekly Geo. Report (15 December 16) issued 0104 UT on 15 Dec 2016 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Dec 15 12:04:12 EST 2016
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 15 DECEMBER 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (06 DECEMBER - 14 DECEMBER)
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
06 Dec 2122 4212 8
07 Dec 1122 2333 9
08 Dec 3333 3443 18
09 Dec 3234 2343 16
10 Dec 2223 3222 9
11 Dec 3323 2321 10 In the SWS magnetometer data for 11
Dec, a weak (9nT) impulse was observed
at 0250UT.
12 Dec 2121 1212 5
13 Dec 2111 2112 4
14 Dec 1011 1111 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.
Active on 8-9 Dec. Quiet to unsettled on other days.
2. FORECAST (15 DECEMBER - 14 JANUARY)
Disturbed Periods:
21-22 Dec, 4-5 Jan.
Best Quiet Periods:
15 Dec, 17-18 Dec, 25 Dec to 2 Jan, 8-10 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: 20-23 Dec, 3-7 Jan.
Best Quiet Periods: 15 Dec, 17-18 Dec, 25 Dec to 2 Jan, 8-10 Jan.
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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