[Ips-dhfpr] SWS Daily HF Prop Report - 28 April 20 issued 2331 UT on 28 Apr 2020

Regional Warning Centre rwc at ips.gov.au
Wed Apr 29 09:31:29 EST 2020


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 APRIL 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 APRIL) 
Date   T index  Conditions    
28 Apr     9    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 80% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   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 (29 APRIL - 01 MAY)
Date   T index  Conditions       MUFs                              
29 Apr     4    Normal           Near to 15% above predicted 
                                 monthly values
30 Apr     4    Normal           Near to 15% above predicted 
                                 monthly values    
01 May     4    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) were mainly near predicted 
monthly values with periods of minor to moderate enhancements 
for the Australian regions on UT day 28 April. Sporadic E layers 
were observed over most sites. Mostly normal HF propagation conditions 
are expected in the Australian regions for the next three UT 
days, 29 April to 01 May.

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