[Ips-dhfpr] IPS Daily HF Prop Report - 22 April 16 issued 2330 UT on 22 Apr 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 APRIL 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 APRIL) 
Date   T index  Conditions    
22 Apr    22    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 35% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% 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      50
Apr      50
May      49


2. FORECAST (23 APRIL - 25 APRIL)
Date   T index  Conditions       MUFs                              
23 Apr    25    Normal           Near predicted monthly values/depressed 
                                 10 to 30%
24 Apr    25    Normal           Near predicted monthly values/depressed 
                                 10 to 30%    
25 Apr    25    Normal           Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: IPS HF Communications Warning 21 was issued on 22 April 
and is current for 23 Apr only. Conditions for HF radio propagation 
on UT day, 22 April, were generally depressed over all Australian 
region this was mainly associated with low incoming solar ionising 
flux. Conditions are expected to remain depressed over the next 
three day. Isolated periods of sporadic E were noted in the Australian 
region with longer periods noted over Cocos Island.

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