[Ips-wgr] IPS Weekly Geo. Report (02 May 02)
rwc
rwc at ips.gov.au
Thu May 2 10:51:26 EST 2002
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 02 MAY 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (23 APRIL - 01 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
23 Apr 2553 3423 22 A moderate (64nT) impulse was observed
in the IPS magnetomter data at 0449UT on 23 Apr.
24 Apr 2222 2223 8
25 Apr 2200 0112 3
26 Apr 1121 0002 2
27 Apr 2322 2333 11
28 Apr 3444 3232 17
29 Apr 2223 2222 8
30 Apr 2222 3111 6
01 May 2211 1012 4
*estimated from real time data
Disturbed conditions observed on 23 and 28 Apr. The activity
on 23 Apr was due to a cme passage associated with the X1 limb
flare on 21 april from solar region 9906. This region is due to
return to the solar disk on 05 May. Flare/CME activity may
increase after this date. Milder activity on 28 Apr was
associated with a coronal hole.
2. FORECAST (02 MAY - 01 JUNE)
Disturbed Periods:
08-09 May (mild)
24-25 may
Best Quiet Periods:
02-07 May
14-17 May
Note: Quiet periods based on recurrence. If region 9906 returns
and is active quiet periods may become CME disturbed.
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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