[Ips-whfpr] IPS Weekly Prop. Report (27 June 01)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 27/0200Z JUNE 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (20 JUNE - 26 JUNE)
Date   T index   Conditions        
20 Jun  141      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 60% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 20%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

21 Jun  138      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base):
      Depressed by 15% over the UT day.
      Some Absorption and Spread F observed.

22 Jun  138      Normal            
MUFS:
   Equatorial PNG Region:
      Mostly near predicted monthly values,
      Enhanced by 15% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.

23 Jun  145      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Enhanced by 40% during local night.
     Enhanced by 15% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 15% during local night.
     Enhanced by 15% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Enhanced by 45% over the UT day.

24 Jun  150      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Enhanced by 20-30%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F observed.

25 Jun  152      Normal            
MUFS:
   Equatorial PNG Region:
      Enhanced by 15% during local day,
      Enhanced by 30% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Enhanced by 15-20%.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.

26 Jun  147      Normal            
MUFS:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 45% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values,
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base):
      Near predicted monthly values over the UT day.
      Spread F and absorption observed.

Predicted Monthly T index for June: 118
2. FORECAST (27 JUNE - 03 JULY) 
MUFS: mild depression possible 28-29 June, otherwise MUFs
      are expected to be bear normal.
Propagation conditions: 28-29, otherwise normal. 
T index:  130

3. OUTLOOK (04 JULY - 03 AUGUST)
Degraded HF propagation conditions possible:
06-08 Jul, 15-16 Jul, 25-26 July

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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