[Ips-dhfpr] IPS Daily HF Prop Report - 07 November 15 issued 2349 UT on 07 Nov 2015

rwc rwc at ips.gov.au
Sun Nov 8 10:49:21 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 NOVEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 NOVEMBER) 
Date   T index  Conditions    
07 Nov    59    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 65% during local night.
      Depressed by 55% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 45% after local dawn.
   Southern Australian Region:
      Enhanced by 25% during local day.
      Depressed by 15% during local night.
      Depressed by 50% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Oct      37
Nov      66
Dec      65


2. FORECAST (08 NOVEMBER - 10 NOVEMBER)
Date   T index  Conditions       MUFs                              
08 Nov    40    Fair-poor        Depressed 15%/near predicted 
                                 monthly values
09 Nov    40    Fair-poor        Depressed 15%/near predicted 
                                 monthly values    
10 Nov    50    Fair-poor        Near predicted monthly values   

COMMENT: IPS HF Communications Warning 68 was issued on 6 November 
and is current for 6-8 Nov. Observed MUF's for the Australasia 
regions on the UT day 07 Nov were near the predicted monthly 
values. The HF conditions have improved and this is attributed 
to the positive storm effect causing a strong lived enhancement 
in electron density. The two day outlook is for the Equatorial 
regions to continue to have slightly improved HF conditions in 
response to the storm effects. In contrast, the high and mid-latitude 
regions are expected to have negative storm effects and depressed 
MUF conditions. After the onset of high speed solar streams from 
a very large recurrent positive northern coronal hole late on 
UT day Nov 8 or thereabout, the MUFs are expected to remain below 
the monthly predicted levels.

----------------------------------------------------------
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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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