[Ips-dhfpr] IPS Daily HF Prop Report - 13 April 13 issued 2330 UT on 13 Apr 2013

Regional Warning Centre rwc at ips.gov.au
Sun Apr 14 09:30:23 EST 2013


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 APRIL 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 APRIL) 
Date   T index  Conditions    
13 Apr    91    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for April:  68


2. FORECAST (14 APRIL - 16 APRIL)
Date   T index  Conditions       MUFs                              
14 Apr    70    Fair-poor        Near predicted monthly values/depressed 
                                 15 to 20%
15 Apr    30    Fair-poor        15 to 20% below predicted monthly 
                                 values    
16 Apr    60    Normal           Near predicted monthly values   

COMMENT: IPS Preliminary HF Communications Warning 7 was issued 
on 12 April and is current for 13-14 Apr. HF conditions were 
mostly normal today with minor to moderate MUF enhancements. 
Similar conditions are expected early on 14-Apr, with minor to 
significant MUF depressions and degradations in HF conditions 
later on 14-Apr and into 15-Apr, especially in mid and Southern 
Aus/NZ regions, due to increased geomagnetic activity levels 
expected during this period. Conditions should return to mostly 
normal on 16-Apr.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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