[Ips-dhfpr] SWS Daily HF Prop Report - 24 April 17 issued 2330 UT on 24 Apr 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 APRIL 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 APRIL) 
Date   T index  Conditions    
24 Apr     7    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values 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      11
Apr      14
May      14


2. FORECAST (25 APRIL - 27 APRIL)
Date   T index  Conditions       MUFs                              
25 Apr    -5    Normal-fair      Near predicted monthly values
26 Apr    -5    Normal-fair      Near predicted monthly values    
27 Apr     0    Normal-fair      Near predicted monthly values   

COMMENT: For the UT day, 24 April, MUFs over the Australian region 
were near the monthly predicted value. Mild depressions were 
also observed over the Southern Australian region. The outlook 
for the next two days (25 and 26 April) is for MUF levels to 
drop, but the MUFs are expected to remain near the predicted 
monthly levels. The degradations of MUFs are due to the storm 
induced ionospheric depression, which is expected to spread equatorwards 
from the polar regions. MUFs to expect recover from 27 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
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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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