[Ips-wgr] IPS Weekly Geo. Report (21 March 02)

[Regional Warning Centre]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 21 MARCH 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (12 MARCH - 20 MARCH)
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               
 12 Mar   3232 3323   12     
 13 Mar   2122 2111    5     
 14 Mar   2122 1102    4    
 15 Mar   1221 0123    5    
 16 Mar   2221 2112    5    
 17 Mar   1110 1122    3    
 18 Mar   2222 5333   15    A moderate (56nT) impulse was observed in the IPS
magnetomter data at 1323UT on 18 Mar.
 19 Mar   4542 2223   18    
 20 Mar   2211 34--   10    Sudden impulse observed 1329UT.

*estimated from real time data
Mild activity observed on 18-20 March Associated with solar mass
ejections.

2. FORECAST (21 MARCH - 20 APRIL)
Disturbed Periods: 
     22-23 March: Active periods, chance of isolated minor storm intervals due
	          to further recent mass ejections.
        27 March: unsettled to active (reccurrence)
30 March-2 April: Active chance of minor storm periods local night. (recurrence)
     07-08 April: unsettled to active. (recurrence)

Best Quiet Periods: 
03-06 April
09-13 April

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
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tel: +61 2 9213 8010              | fax: +61 2 9213 8060