[Ips-wgr] SWS Weekly Geo. Report (13 July 17) issued 0243 UT on 13 Jul 2017 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Jul 13 12:43:49 EST 2017
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 13 JULY 2017, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (04 JULY - 12 JULY)
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
04 Jul 1100 0001 1
05 Jul 1100 0000 0
06 Jul 0111 1212 3
07 Jul 1200 0101 2
08 Jul 1110 0000 1
09 Jul 3324 2332 13
10 Jul 3321 0111 6
11 Jul 1321 2211 6
12 Jul 1111 1100 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.
Moslty quiet to unsettled conditions. Some minor storm periods on 9 July.
2. FORECAST (13 JULY - 12 AUGUST)
Disturbed Periods:
Mild disturbance possible 14-15 Jul.
Best Quiet Periods:
16-20 Jul, 23-27 Jul, 30 Jul to 4 Aug.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Central Australian Regions:
Mildly Disturbed Periods: 15-16 Jul, 23 Jul, 6-8 August
Best Quiet Periods: All other days
Southern Australian Regions:
Disturbed Periods: 15-16 Jul, 23 Jul, 6-8 August
Best Quiet Periods: All other days
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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