[Ips-dhfpr] SWS Daily HF Prop Report - 17 April 20 issued 2357 UT on 17 Apr 2020

rwc rwc at ips.gov.au
Sat Apr 18 09:57:46 EST 2020


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 APRIL 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (17 APRIL) 
Date   T index  Conditions    
17 Apr    -2    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 95% aat times during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 30% after local dawn.
   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
Mar      1
Apr      -14
May      -14


2. FORECAST (18 APRIL - 20 APRIL)
Date   T index  Conditions       MUFs                              
18 Apr     0    Normal           Near predicted monthly values
19 Apr     0    Normal           Near predicted monthly values    
20 Apr     0    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were near predicted 
monthly values with periods of minor to significant enhancements 
for the Australian region on UT day, 17 Apr. Sporadic-E occurrences 
were observed at Darwin 06-14 UT. MUFs in the Australian regions 
are expected to stay mostly near predicted monthly values for 
the next three UT days, 18 to 20 Apr.

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