[Ips-dhfpr] SWS Daily HF Prop Report - 25 April 21 issued 2333 UT on 25 Apr 2021

rwc rwc at ips.gov.au
Mon Apr 26 09:33:46 EST 2021


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 APRIL 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 APRIL) 
Date   T index  Conditions    
25 Apr    24    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
Mar      9
Apr      19
May      23


2. FORECAST (26 APRIL - 28 APRIL)
Date   T index  Conditions       MUFs                              
26 Apr    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%
27 Apr    10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
28 Apr    20    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 12 was issued on 24 April 
and is current for 25-27 Apr. MUFs in the Australian region on 
UT day 25 April were mostly near predicted monthly values. Minor 
MUF depressions are possible on UT days 26-27 April due to the 
rise in geomagnetic activity. MUFs are expected to be mostly 
near predicted monthly values on UT day 28 April.

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