[Ips-dhfpr] SWS Daily HF Prop Report - 03 October 18 issued 2338 UT on 03 Oct 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/03 OCTOBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (03 OCTOBER) 
Date   T index  Conditions    
03 Oct   -16    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Sep      0
Oct      -5
Nov      -5


2. FORECAST (04 OCTOBER - 06 OCTOBER)
Date   T index  Conditions       MUFs                              
04 Oct    -5    Normal           Near predicted monthly values
05 Oct   -10    Normal           Near predicted monthly values    
06 Oct   -15    Normal           Near predicted monthly values   

COMMENT: Overall, MUFs over the Australian region were slightly 
depressed to near monthly predicted levels on UT day 03 Oct. 
The highest MUF depression of 20% - 35% below monthly predicted 
levels occurred over the Niue island and North Australian regions. 
In contrast, the strongest MUFs of 30% above monthly predicted 
levels occurred over the Antarctic during morning. The outlook 
for today (UT day 04 Oct) is for the MUFs to be mostly near monthly 
predicted values. Depressed MUFs are expected to begin from UT 
day 05 Oct in response to the likely disturbed geomagnetic conditions 
associated with the coronal hole.

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