[Ips-wgr] IPS Weekly Geo. Report (30 May 02)
rwc
rwc at ips.gov.au
Thu May 30 11:00:51 EST 2002
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 30 MAY 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (21 MAY - 29 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
21 May 2132 1013 6
22 May 2213 2122 7
23 May 3336 6644 42 A weak (36nT) impulse was observed in the IPS
magnetomter data at 1051UT on 23 May, and a moderate (56nT) impulse was observed
at 1544UT on 23 May.
24 May 1110 0013 3
25 May 1100 1112 2
26 May 1121 1222 5
27 May 3234 3322 13
28 May 2322 2222 8
29 May 2221 1012 4
*estimated from real time data
Disturbed conditions observed on 23 may due to mass ejections, on late 21 May
(M1.5 flare/CME) and early in UT day on 22 May (erupting solar filament/CME).
2. FORECAST (30 MAY - 29 JUNE)
Disturbed Periods:
30-31 May active periods due to recent mass ejections.
04-07 Jun isolated active periods (recurrence)
15-16 Jun active periods (recurrence)
Best Quiet Periods:
11-13 Jun
26-30 Jun
PEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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