[Ips-dhfpr] SWS Daily HF Prop Report - 26 August 18 issued 2352 UT on 26 Aug 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 AUGUST 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 AUGUST) 
Date   T index  Conditions    
26 Aug     6    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 120% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 15% 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):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      6
Aug      -3
Sep      -4


2. FORECAST (27 AUGUST - 29 AUGUST)
Date   T index  Conditions       MUFs                              
27 Aug   -10    Normal-fair      Near predicted monthly values
28 Aug   -10    Normal-fair      Near predicted monthly values    
29 Aug     0    Normal           Near predicted monthly values   

COMMENT: Enhanced MUFs observed for Northern AUS/Equatorial regions 
over the last 24 hours due to positive phase storm conditions 
from recent geomagnetic activity. Mildly depressed MUFs for Southern 
AUS/NZ regions with occasional disturbed ionospheric support. 
Poor ionospheric support for Antarctic regions. Depressed MUFs 
for Northern and Southern AUS/NZ regions and continued periods 
of disturbed ionospheric support for Antarctic regions expected 
for 27Aug-28Aug due to recent geomagnetic activity. MUFs expected 
to begin to return to near predicted monthly values by 29AUg 
for all regions.

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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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