[Ips-dhfpr] SWS Daily HF Prop Report - 22 March 18 issued 2330 UT on 22 Mar 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 MARCH 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 MARCH) 
Date   T index  Conditions    
22 Mar     4    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values 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
Feb      -1
Mar      3
Apr      2


2. FORECAST (23 MARCH - 25 MARCH)
Date   T index  Conditions       MUFs                              
23 Mar     5    Normal           Near predicted monthly values
24 Mar     5    Fair             Near predicted monthly values    
25 Mar   -10    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: For March 22 HF conditions were mostly near predicted 
values with moderate depressions observed in the Northern Australian 
region during local day, most likely due to the low EUV levels. 
Expect near predicted MUFs over the next two days. There may 
be depressed MUFs on late on 24 March and on 25 March due to 
expected ionospheric storming associated with an increase in 
geomagnetic activity.

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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
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