[Ips-dhfpr] IPS Daily HF Prop Report - 02 September 10

rwc rwc at ips.gov.au
Fri Sep 3 09:45:22 EST 2010


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 02/2330Z SEPTEMBER 2010 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (02 SEPTEMBER) 
Date   T index  Conditions    
02 Sep    37    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% 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 September:  28
2. FORECAST (03 SEPTEMBER - 05 SEPTEMBER)
Date   T index  Conditions       MUFs                              
03 Sep    30    Normal           0 to 15% above predicted monthly 
                                 values 
04 Sep    30    Normal           0 to 15% above predicted monthly 
                                 values     
05 Sep    25    Normal           Near predicted monthly values    
COMMENT: Equatorial and mid-latitudes were enhanced at certain 
times in the UT day raising the regional T index above monthly 
median. The enhancement is probably from enhanced ionising solar 
EUV radiation as there are now 5 active regions. The variability 
may be from geomagnetic variability over the last 24h from fluctating 
solar magnetic field. An extended recurrent coronal hole across 
the solar equator is likely be geoeffective in 3-4 days, and 
MUFs could be suppressed back to monthly averages. 
----------------------------------------------------------
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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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