[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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