[Ips-whfpr] IPS Weekly Prop. Report (30 July 14) issued 0225 UT on 30 Jul 2014

rwc rwc at ips.gov.au
Wed Jul 30 12:25:32 EST 2014


SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 30 JULY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 JULY - 29 JULY)
Date   T index   Conditions        
23 Jul   42      Normal-Poor       
MUFS:
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 45% during local night.
      Depressed by 35% after local dawn.
   Niue Island Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 35% during local day.
      Depressed by 45% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

24 Jul   53      Normal-Poor       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 35% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 25% 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.

25 Jul   54      Normal-Fair       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 45% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Depressed by 20% 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.

26 Jul   52      Normal-Fair       
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 40% 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 25% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 25% 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.

27 Jul   48      Normal-Fair       
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 25% after local dawn.
   Southern Australian and New Zealand Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

28 Jul   63      Normal-Fair       
MUFS:
   Cocos Island Region:
      Enhanced by 25% during local day.
      Enhanced by 80% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 30% during local day.
      Depressed by 35% during local night.
   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):
      Near predicted monthly values over the UT day.

29 Jul   61      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 30% after local dawn.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

Predicted Monthly T index for July:  92

2. FORECAST (30 JULY - 05 AUGUST) 
MUFS: MUF depressions of ~15% to near predicted monthly values.

Propagation conditions: Mostly Normal. No SWFs.

T index: 92
IPS HF Communications Warning 37 was issued on 29 July and is 
current for 30-31 Jul.

3. OUTLOOK (06 AUGUST - 05 SEPTEMBER)
Degraded HF propagation conditions possible: Occasional 
disturbed ionospheric support for high latitudes.

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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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