[Ips-dhfpr] SWS Daily HF Prop Report - 20 November 17 issued 2341 UT on 20 Nov 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 NOVEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 NOVEMBER) 
Date   T index  Conditions    
20 Nov     7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   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 (21 NOVEMBER - 23 NOVEMBER)
Date   T index  Conditions       MUFs                              
21 Nov     5    Normal-fair      Near predicted monthly values
22 Nov     5    Normal-fair      Near predicted monthly values    
23 Nov     5    Normal           Near predicted monthly values   

COMMENT: MUFs were near predicted monthly values over the last 
24 hours. Variable HF conditions ranging from periods of enhancement 
to minor depressions for Equatorial/Northern AUS and Southern 
AUS/NZ regions for 21Nov-22Nov due to expected geomagnetic activity. 
Periods of disturbed ionospheric support expected for Antarctic 
regions during this time. MUFs expected to be near predicted 
monthly values for 23Nov.

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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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