[Ips-dhfpr] IPS Daily HF Prop Report - 21 May 12 issued 2323 UT on 21 May 2012

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 MAY 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 MAY) 
Date   T index  Conditions    
21 May    80    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values 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.

Predicted Monthly T index for May:  79


2. FORECAST (22 MAY - 24 MAY)
Date   T index  Conditions       MUFs                              
22 May    80    Normal           Near predicted monthly values
23 May    85    Normal           Near predicted monthly values    
24 May    70    Normal           Near predicted monthly values   

COMMENT: HF conditions were normal over the UT day, with MUFs 
mostly near predicted monthly values during the day, and up to 
25% depressed over night, particularly in N Aus and near equatorial 
locations. Mostly normal HF conditions may be expected for the 
next three days. Some minor MUF depressions and degradation of 
HF conditions are possible days 2 and 3 (23-24 May) with S Aus 
/ NZ / Antarctic regions most likely to be affected.

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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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