[Ips-dhfpr] SWS Daily HF Prop Report - 12 November 21 issued 2330 UT on 12 Nov 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 NOVEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 NOVEMBER) 
Date   T index  Conditions    
12 Nov    -7    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 35% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% 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
Oct      18
Nov      32
Dec      35


2. FORECAST (13 NOVEMBER - 15 NOVEMBER)
Date   T index  Conditions       MUFs                              
13 Nov    -5    Normal           15 to 20% below predicted monthly 
                                 values
14 Nov     0    Normal           15 to 20% below predicted monthly 
                                 values    
15 Nov     5    Normal           Depressed 15%/near predicted 
                                 monthly values   

COMMENT: SWS HF Communications Warning 34 was issued on 12 November 
and is current for 13 Nov only. MUFs in the Australian region 
on UT day 12 November were mostly moderately depressed. MUFs 
are expected to continue recovering to the monthly predicted 
values over the next three UT days, 13-15 November. Mildly to 
moderately depressed MUFs may be observed on 13-14 November.

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