[Ips-dhfpr] SWS Daily HF Prop Report - 20 July 17 issued 2330 UT on 20 Jul 2017 [SEC=UNCLASSIFIED]

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SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JULY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JULY) 
Date   T index  Conditions    
20 Jul    -0    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      No data available during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      9
Jul      8
Aug      7


2. FORECAST (21 JULY - 23 JULY)
Date   T index  Conditions       MUFs                              
21 Jul     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
22 Jul     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
23 Jul     5    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: Australian observed MUFs were mostly near predicted 
monthly values over the last 24 hours with minor to moderate 
MUFs depressions during local day for Equatorial regions. Noted 
isolated periods of sporadic E and spread F in the Australian 
region. Similar ionospheric conditions may be observed over the 
next few days.

----------------------------------------------------------
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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