[Ips-dhfpr] SWS Daily HF Prop Report - 18 March 21 issued 2330 UT on 18 Mar 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 MARCH 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (18 MARCH) 
Date   T index  Conditions    
18 Mar    10    Normal         

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:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (19 MARCH - 21 MARCH)
Date   T index  Conditions       MUFs                              
19 Mar     5    Normal           Near predicted monthly values
20 Mar   -15    Normal-fair      15 to 20% below predicted monthly 
                                 values    
21 Mar   -15    Normal-fair      15 to 20% below predicted monthly 
                                 values   

COMMENT: On UT day 18 March, MUFs in the Australian region were 
mostly near predicted monthly values. Sporadic E was observed 
at times at some stations. MUFs in the Australian region are 
expected to be mostly near predicted monthly values on UT day 
19 March. Mild to moderate MUF depressions are likely on UT days 
20-21 March in response to forecast geomagnetic activity.

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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
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