[Ips-wgr] IPS Weekly Geo. Report (10 May 12) issued 0221 UT on 10 May 2012
rwc
rwc at ips.gov.au
Thu May 10 12:21:17 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 10 MAY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (01 MAY - 09 MAY)
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
01 May 1110 0112 2
02 May 1111 1011 2
03 May 2222 2112 6
04 May 2210 0111 3
05 May 1111 1001 2
06 May 2112 1110 3
07 May 0112 0101 2
08 May 2211 1113 5
09 May 3333 3332 14
*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 Space Environment Research Center, Japan.
Quiet to unsettled conditions.
2. FORECAST (10 MAY - 09 JUNE)
Disturbed Periods:
10 May, 20 May, 5 Jun.
Best Quiet Periods:
13 May, 16 May, 25-29 May, 31 May to 3 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 12-19 May, 24 May to 4 Jun.
Central Australian Regions:
Disturbed Periods: 20-22 May, 5-7 Jun.
Best Quiet Periods: 12-19 May, 25 May to 3 Jun.
Southern Australian Regions:
Disturbed Periods: 20-22 May, 5-7 Jun.
Best Quiet Periods: 13-19 May, 25 May to 3 Jun.
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.
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