[Ips-dhfpr] SWS Daily HF Prop Report - 22 November 17 issued 2330 UT on 22 Nov 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 NOVEMBER) 
Date   T index  Conditions    
22 Nov    -1    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 30% 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
Oct      4
Nov      5
Dec      4


2. FORECAST (23 NOVEMBER - 25 NOVEMBER)
Date   T index  Conditions       MUFs                              
23 Nov     0    Normal-fair      Near predicted monthly values
24 Nov     0    Normal-fair      Near predicted monthly values    
25 Nov     5    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 50 was issued on 22 November 
and is current for 22-23 Nov. Variable HF conditions ranging 
from slight enhancements to notable depressed MUFs of 10%-30% 
for Equatorial/Northern AUS and Southern AUS/NZ regions observed 
over the last 24 hours. Similar conditions are expected for the 
next 2 days with further depressed MUFs for Northern AUS and 
Southern AUS/NZ regions and fair ionospheric support for Antarctic 
regions. MUFs expected to be near predicted monthly values for 
25Nov.

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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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