[Ips-wgr] IPS Weekly Geo. Report (25 April 02)
rwc
rwc at ips.gov.au
Thu Apr 25 11:42:43 EST 2002
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 25 APRIL 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (16 APRIL - 24 APRIL)
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
16 Apr 2231 0023 6
17 Apr 2225 5544 27 A moderate (63nT) impulse was observed in the IPS
magnetomter data at 1107UT on 17 Apr.
18 Apr 5444 4544 32 A weak (25nT) impulse was observed in the IPS
magnetomter data at 1139UT on 18 Apr.
19 Apr 4455 4555 40 A weak (23nT) impulse was observed in the IPS
magnetomter data at 0836UT on 19 Apr.
20 Apr 5544 3434 29
21 Apr 3221 1123 7
22 Apr 3323 2222 10
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
*estimated from real time data
Active to minor storm levels observed during 18 - 20 April due to CME observed on 17 April/0824UT .
2. FORECAST (25 APRIL - 25 MAY)
Disturbed Periods:
27 - 29 April,
25 - 25 May.
Best Quiet Periods:
1 - 3 May,
5 - 7 May,
12, 13 May.
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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