[Ips-whfpr] IPS Weekly Prop. Report (04 July 12) issued 0010 UT on 04 Jul 2012

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 04 JULY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 JUNE - 03 JULY)
Date   T index   Conditions        
27 Jun   48      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 30% during local day.
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 30% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

28 Jun   55      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

29 Jun   53      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Jun   65      Normal-fair       
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

01 Jul   63      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

02 Jul   64      Fair-normal       
MUFS:
   Cocos Island Region:
      Mostly 20-35% enhanced with near predicted monthly values
      00-04, 12-14 UT. Depressions 20-35% 20-23 UT.
   Niue Island Region:
      Mostly 15-25% depressed.
   Northern Australian Region:
      Near predicted monthly values until 09 UT, then depressed
      15-30% at Darwin. Mostly near predicted monthly values at
      Townsville.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with occasional depressions
      to 25%. Depressions to 35% at Hobart and Christchurch from
      10 UT onwards.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Weak ionosphere. Near predicted monthly values to 25% depressed.

03 Jul   61      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 25%
      09-15, 22-23 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 25%
      12-13, 15-16, 22-23 UT.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 25% 04-07,
      10-11, 16-18 and 21 UT at Darwin
   Southern Australian and New Zealand Region:
      Near predicted monthly values to 15% depressed during local
      day. Depressed to 30% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%.

Predicted Monthly T index for July:  77

2. FORECAST (04 JULY - 10 JULY) 
MUFS: Near predicted monthly values.

Propagation conditions: Normal. SWFs possible. IPS HF Communications
Warning 25 was issued on 2 July and is current for 3-5 Jul (SWFs).

T index: 77

3. OUTLOOK (11 JULY - 10 AUGUST)
Degraded HF propagation conditions possible: 27-29 Jul

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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