[Ips-dhfpr] SWS Daily HF Prop Report - 15 November 21 issued 2331 UT on 15 Nov 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 NOVEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 NOVEMBER) 
Date   T index  Conditions    
15 Nov   -13    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
      Depressed by 30% after local dawn.
   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      18
Nov      32
Dec      35


2. FORECAST (16 NOVEMBER - 18 NOVEMBER)
Date   T index  Conditions       MUFs                              
16 Nov     0    Normal           15 to 20% below predicted monthly 
                                 values
17 Nov    -5    Normal           15 to 20% below predicted monthly 
                                 values    
18 Nov     5    Normal           Depressed 15%/near predicted 
                                 monthly values   

COMMENT: MUFs in the Australian region on UT day 15 November 
were mostly near predicted monthly values to moderately depressed 
levels due to very low levels of solar ionising flux. Depressed 
MUF conditions are expected to continue for the next three days

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
https://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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