[Ips-wsgr] IPS Weekly Solar and Geophysical Report (29 March 02)

[rwc]

SUBJ: IPS WEEKLY SOLAR AND GEOPHYSICAL REPORT 
ISSUED ON 29 MARCH 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 MARCH - 28 MARCH)
Date     22    23    24    25    26    27    28
10cm    172   170   175   170   166   169   176
AFr       7     8    29     7    10     3 (  3)
Aaus     10    12    29     8    13     4 (  2)
T       183   164   149   138   149   155   161

Solar:        Solar flare activity
Geomagnetic:  Geomagnetic activity observed for Australian Region.
Frequencies:  Australian Ionospheric F2 critical frequencies

22 Mar 
Solar:        moderate, with an M1 at 1114UT
Geomagnetic:  Quiet to Active 
A weak (25nT) impulse was observed in the IPS magnetomter data at 0407UT on 22
Mar.
Frequencies:  
15 to 30% above predicted monthly values


23 Mar 
Solar:        very low
Geomagnetic:  Quiet to Active 
A weak (18nT) impulse was observed in the IPS magnetomter data at 1136UT on 23
Mar.
Frequencies:  
5 to 40% above predicted monthly values


24 Mar 
Solar:        very low
Geomagnetic:  Unsettled to Minor Storm 

Frequencies:  
slightly above predicted monthly values


25 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      No data.
   Northern Australian Region:
      Enhanced by 15% during local day,
      Enhanced by 35% during local night.
   Southern Australian and New Zealand Region:
      Degraded by upto 35% to enhanced by 30% during the UT
      day.
   Antarctic Region (Casey/Scott Base):
      Degraded upto 30% to near predicted monthly values over the UT day.


26 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
5 to 30% above predicted monthly values


27 Mar 
Solar:        very low
Geomagnetic:  Quiet to Unsettled 

Frequencies:  
   Equatorial PNG Region:
      No data available,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
      Enhanced by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 20% over the UT day.


28 Mar 
Solar:        low
Geomagnetic:  Quiet 

Frequencies:  
   Equatorial PNG Region:
      No data available,
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Enhanced by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Enhanced by 25% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.


 
2. FORECAST (29 MARCH - 04 APRIL)
Solar: Moderate

Geomagnetic:  Mostly Quiet to Unsettled with active intervals possible.

Frequencies:  depressed 15% briefly after local dawn on 01-Apr, depressed 15%
briefly after local dawn on 02-Apr,  otherwise MUFs near normal. SWFs probable
early in week.

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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