[Ips-whfpr] IPS Weekly Prop. Report (21 March 01)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 21/0200Z MARCH 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (14 MARCH - 20 MARCH)
Date   T index   Conditions        
14 Mar  139      Normal            
MUFS:
   Equatorial PNG Region:
     Mostly near predicted monthly values,
  Northern Australian Region:
     Mostly near predicted monthly values,
     Enhanced by 30% after local dawn.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.
15 Mar  138      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values.
  Northern Australian Region:
     Mostly near predicted monthly values,
     Enhanced by 20% after local dawn.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.
16 Mar  147      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 25% during local night.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
     Enhanced by 15% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 20% over the UT day.
17 Mar  145      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
      Enhanced by 15% after local dawn.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values,
      Enhanced by 15% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.
18 Mar  155      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20% during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
19 Mar  153      Normal-fair       
MUFS:
   Equatorial PNG Region:
      No data available during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.
20 Mar   92      Poor-Fair
MUFS:
   Equatorial PNG Region:
      No data.
   Northern Australian Region:
      Mostly near predicted monthly values,
      Enhanced by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 30% during local day,
      Depressed by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed by 20% over the UT day.


Predicted Monthly T index for March: 115
COMMENT:Disturbed conditions 19-20 Mar due to mass ejection 16 Mar.
2. FORECAST (21 MARCH - 27 MARCH) 
MUFS:  deperessed 15% to near normal on 21-24 March.
Propagation conditions: Fair 21-24 March, then normal. 
T index:  110
3. OUTLOOK (28 MARCH - 27 APRIL)
Degraded HF propagation conditions possible:
No signficant degraded periods expected.

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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