[Ips-dhfpr] SWS Daily HF Prop Report - 20 January 21 issued 2330 UT on 20 Jan 2021

Regional Warning Centre rwc at ips.gov.au
Thu Jan 21 10:30:11 EST 2021


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 JANUARY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 JANUARY) 
Date   T index  Conditions    
20 Jan    -0    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      No data available during local day.
      No data available during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 15% 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
Dec      11
Jan      9
Feb      11


2. FORECAST (21 JANUARY - 23 JANUARY)
Date   T index  Conditions       MUFs                              
21 Jan   -10    Normal           Near predicted monthly values
22 Jan    -5    Normal           Near predicted monthly values    
23 Jan     0    Normal           Near predicted monthly values   

COMMENT: On UT day 20 January, MUFs in the Australian region 
were near predicted monthly levels with mild afternoon and night 
time depressions. Sporadic E was observed, strong at times. MUFs 
in the Australian region are expected to be near predicted monthly 
values on 21 to 23 January with mild to moderate depressions 
on 21 January in response to expected mild geomagnetic activity. 
Sporadic E occurrences are likely.

----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
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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