[Ips-dhfpr] SWS Daily HF Prop Report - 04 November 21 issued 2331 UT on 04 Nov 2021

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 NOVEMBER 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 NOVEMBER) 
Date   T index  Conditions    
04 Nov    32    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.  Depressions 20-40%
      02-04, 13, 15 UT.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 30% during local night.
      Depressions 20-30% 18 UT onwards at Townsville.
      Depressions 20-35% 03-04 and 19-20, 23 UT at Darwin.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Oct      18
Nov      32
Dec      35


2. FORECAST (05 NOVEMBER - 07 NOVEMBER)
Date   T index  Conditions       MUFs                              
05 Nov     5    Normal-fair      Near predicted monthly values 
                                 with depressions to 30% at times.
06 Nov    10    Normal           Depressed 15%/near predicted 
                                 monthly values.    
07 Nov    15    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 31 was issued on 4 November 
and is current for 5-6 Nov. MUFs in the Australian region on 
UT day 04 November were near predicted monthly values to enhanced. 
Depressions were observed after about 12 UT, particularly at 
mid and high latitude locations. MUFs are likely to be near predicted 
monthly values to depressed following the strong geomagnetic 
activity on 04 November. MUFs at mid and high latitudes may continue 
to be moderately depressed on 06-07 November.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
https://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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of SWS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
To unsubscribe from an IPS mail list either send an email to 
"MAIL_LIST"-leave at ips.gov.au or go to
http://www.sws.bom.gov.au/mailman/listinfo/"MAIL_LIST".
Information about training can be obtained from
http://www.sws.bom.gov.au/mailman/listinfo/ips-training.
General information is available from
http://www.sws.bom.gov.au/mailman/listinfo/ips-info.