[Ips-dhfpr] SWS Daily HF Prop Report - 14 September 21 issued 2330 UT on 14 Sep 2021

Regional Warning Centre rwc at ips.gov.au
Wed Sep 15 09:30:57 EST 2021


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 SEPTEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 SEPTEMBER) 
Date   T index  Conditions    
14 Sep    19    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Mostly 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
Aug      14
Sep      27
Oct      30


2. FORECAST (15 SEPTEMBER - 17 SEPTEMBER)
Date   T index  Conditions       MUFs                              
15 Sep    20    Normal           Near predicted monthly values
16 Sep    15    Normal           Near predicted monthly values    
17 Sep    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%   

COMMENT: MUFs in the Australian region on UT day 14 September 
were mostly near predicted monthly values. Some moderately depressed 
MUFs were observed over the Cocos Island region during the local 
night. MUFs in the Australian region on UT days 15-17 September 
are expected to be mostly near predicted monthly values. Some 
mild MUF depressions may occur on UT day 17 September due to 
a possible increase in geomagnetic activity.

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