[Ips-dhfpr] SWS Daily HF Prop Report - 25 July 18 issued 2331 UT on 25 Jul 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 JULY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 JULY) 
Date   T index  Conditions    
25 Jul    -2    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Jun      7
Jul      -2
Aug      -3


2. FORECAST (26 JULY - 28 JULY)
Date   T index  Conditions       MUFs                              
26 Jul    -5    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
27 Jul     0    Normal           Near predicted monthly values    
28 Jul     0    Normal           Near predicted monthly values   

COMMENT: Mostly normal HF conditions were observed across the 
Aus/NZ regions on UT day 25 July, with Minor MUF depressions 
in the Northern Australian Region during the local day. Incidents 
of sporadic-E were observed at some Australian sites. Periods 
of Minor MUF depressions are possible at high latitudes on 26 
July due to the recent geomagnetic activity.

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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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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