[Ips-dhfpr] SWS Daily HF Prop Report - 22 February 17 issued 2330 UT on 22 Feb 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 FEBRUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 FEBRUARY) 
Date   T index  Conditions    
22 Feb    32    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 45% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      0
Feb      18
Mar      16


2. FORECAST (23 FEBRUARY - 25 FEBRUARY)
Date   T index  Conditions       MUFs                              
23 Feb    15    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%
24 Feb    15    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%    
25 Feb    20    Normal-fair      Near predicted monthly values   

COMMENT: SWS HF Communications Warning 15 was issued on 22 February 
and is current for 23-24 Feb. MUFs were near predicted monthly 
values with periods of mild to moderate enhancements across the 
Australian regions during UT day 22 February. Minor to moderate 
MUF depressions and degradations in HF conditions may be expected 
in this region from 23 to 25 February due to expected rises in 
geomagnetic activity levels on these days.

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

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

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