[Ips-dhfpr] SWS Daily HF Prop Report - 30 November 19 issued 2331 UT on 30 Nov 2019

Regional Warning Centre rwc at ips.gov.au
Sun Dec 1 10:31:48 EST 2019


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 NOVEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 NOVEMBER) 
Date   T index  Conditions    
30 Nov   -36    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 20% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% during local night.
   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
Oct      -20
Nov      -16
Dec      -17


2. FORECAST (01 DECEMBER - 03 DECEMBER)
Date   T index  Conditions       MUFs                              
01 Dec   -30    Normal           Near predicted monthly values
02 Dec   -30    Normal           Near predicted monthly values    
03 Dec   -30    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) varied between near 
predicted monthly values to mildly and moderately depressed ones 
on UT day 30 November. The depressions were due to very low levels 
of solar ionising flux. Sporadic-E occurrences were seen over 
all the sites. For the next three UT days, 01-03 December, mildly 
depressed to near predicted monthly MUFs are expected over the 
Australian region.

----------------------------------------------------------
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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