[Ips-dhfpr] SWS Daily HF Prop Report - 21 March 21 issued 2336 UT on 21 Mar 2021

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 MARCH 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 MARCH) 
Date   T index  Conditions    
21 Mar     3    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      -1
Mar      16
Apr      20


2. FORECAST (22 MARCH - 24 MARCH)
Date   T index  Conditions       MUFs                              
22 Mar   -15    Fair-normal      10 to 30% below predicted monthly 
                                 values
23 Mar   -15    Fair-normal      10 to 30% below predicted monthly 
                                 values    
24 Mar    -5    Normal-fair      10 to 20% below predicted monthly 
                                 values   

COMMENT: SWS HF Communications Warning 10 was issued on 19 March 
and is current for 20-22 Mar. On UT day 21 March, MUFs in the 
Australian region were mostly near predicted monthly values with 
some mild to moderate depressions at High to Mid latitude regions. 
Mild to moderate MUF depressions are possible on UT days 22-24 
March in response to forecast geomagnetic activity.

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