[Ips-dhfpr] SWS Daily HF Prop Report - 09 May 21 issued 2330 UT on 09 May 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 MAY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 MAY) 
Date   T index  Conditions    
09 May     1    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 20% during local day.
      Enhanced by 15% 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
Apr      12
May      21
Jun      24


2. FORECAST (10 MAY - 12 MAY)
Date   T index  Conditions       MUFs                              
10 May     5    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
11 May     5    Normal           Near predicted monthly values/depressed 
                                 15 to 25%    
12 May     5    Normal           Near predicted monthly values   

COMMENT: SWS SWF HF Communications Warning 13 was issued on 8 
May and is current for 9-11 May. MUFs in the Australian region 
on UT day 9 May were mostly mildly depressed. In the Australian 
region, MUFs are expected to be mostly near predicted monthly 
values on UT days 10-12 May with possible mild depressions. Fadeouts 
are possible in the sunlit regions.

----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
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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