[Ips-dhfpr] SWS Daily HF Prop Report - 11 July 17 issued 2330 UT on 11 Jul 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 JULY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 JULY) 
Date   T index  Conditions    
11 Jul    19    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

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


2. FORECAST (12 JULY - 14 JULY)
Date   T index  Conditions       MUFs                              
12 Jul    22    Normal           Near predicted monthly values
13 Jul    25    Normal           Near predicted monthly values 
                                 to enhanced 10 to 20%    
14 Jul    30    Normal           Near predicted monthly values 
                                 to enhanced 15 to 30%   

COMMENT: SWS HF Communications Warning 32 was issued on 9 
July and is current for 10-12 Jul. In Australian regions observed 
MUFs were mostly near predicted monthly values with some minor 
depression periods in the Northern regions and minor to mild 
enhancements in the Southern regions on 11 July. Expect MUFs 
in Australian/NZ regions to remain near predicted monthly values 
for the next three days (12 to 14 July) with the possibility 
of some enhancements on 13 and 14 July.

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

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