[Ips-dhfpr] SWS Daily HF Prop Report - 15 May 19 issued 2334 UT on 15 May 2019

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/15 MAY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (15 MAY) 
Date   T index  Conditions    
15 May     8    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 35% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Apr      1
May      -12
Jun      -12


2. FORECAST (16 MAY - 18 MAY)
Date   T index  Conditions       MUFs                              
16 May     0    Fair             Near predicted monthly values
17 May    -5    Fair             Near predicted monthly values    
18 May   -10    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 6 was issued on 15 May 
and is current for 15-17 May. Maximum usable frequencies (MUFs) 
ranged from near predicted monthly values to moderately enhanced 
levels during the last 24 hours in the Aus/NZ regions. Minor 
to moderate MUF depressions and degradations in HF conditions 
may be expected for the next three UT days (16 to 18 May) in 
the Southern Australian and Antarctic region due to expected 
rise in geomagnetic activity levels on these days.

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