[Ips-dhfpr] IPS Daily HF Prop Report - 12 September 14 issued 2355 UT on 12 Sep 2014

rwc rwc at ips.gov.au
Sat Sep 13 09:55:28 EST 2014


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 SEPTEMBER 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 SEPTEMBER) 
Date   T index  Conditions    
12 Sep   103    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Enhanced by 50% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : 10MeV Proton/PCA Event Began 11 09 2014 1215UT and is in progress

Monthly T index:
Month  T index
Aug      72
Sep      88
Oct      84


2. FORECAST (13 SEPTEMBER - 15 SEPTEMBER)
Date   T index  Conditions       MUFs                              
13 Sep    50    Fair-poor        15 to 20% below predicted monthly 
                                 values
14 Sep    65    Fair             Depressed 15%/near predicted 
                                 monthly values    
15 Sep    85    Normal           Near predicted monthly values   

COMMENT: Enhanced HF conditions observed for Equatorial regions 
during local day and night with otherwise good ionospheric support 
for all other regions except Antarctica due to a polar cap absorption 
event. MUF depressions of ~20% for Southern AUS and Northern 
AUS regions and continued poor ionospheric support for Antarctic 
regions over the next 24-48 hours due to increased geomagnetic 
activity. Continued poorMUFs near predicted monthly values for 
15Sep.

----------------------------------------------------------
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
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tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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