[Ips-dhfpr] SWS Daily HF Prop Report - 09 July 16 issued 2330 UT on 09 Jul 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 JULY 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 JULY) 
Date   T index  Conditions    
09 Jul    22    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      31
Jul      42
Aug      40


2. FORECAST (10 JULY - 12 JULY)
Date   T index  Conditions       MUFs                              
10 Jul    25    Normal-fair      Depressed 10 to 25%/near predicted 
                                 monthly values
11 Jul    25    Normal-fair      Depressed 10 to 25%/near predicted 
                                 monthly values    
12 Jul    25    Normal-fair      Depressed 10 to 20%/near predicted 
                                 monthly values   

COMMENT: Mild to moderate MUF depressions were observed over 
the Equatorial and Northern Australian regions on UT day 9 July. 
These MUF depressions seem to have eventuated due to continued 
very low levels of ionising radiation and rise in geomagnetic 
activity on this day. Minor to moderate depressions in MUFs and 
degradations in HF conditions are likely in the Aus/NZ regions 
from 10 to 12 July due to continued very low levels of ionising 
radiation and the possibility of continued rise in geomagnetic 
activity levels during this period.

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

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
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