[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 February 24 issued 2330 UT on 26 Feb 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 FEBRUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 FEBRUARY) 
Date   T index  Conditions    
26 Feb    89    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Mostly near predicted monthly values.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values at Darwin.
      Depressed 15-30% at Townsville.
      Enhanced 15-30% at Learmonth during local day.
   Southern Australian Region:
      Depressed 25% during local day Hobart, Canberra and Brisbane.
      Enhanced 15-30% during local day at Perth.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      144
Feb      108
Mar      108


2. FORECAST (27 FEBRUARY - 29 FEBRUARY)
Date   T index  Conditions       MUFs                              
27 Feb    95    Normal           Depressed 10 to 15%/near predicted 
                                 monthly values
28 Feb   115    Normal           Near predicted monthly values    
29 Feb   115    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 22 was issued on 
25 February and is current for 25-27 Feb. Maximum usable frequencies 
(MUFs) on UT day 26-Feb were variable with east coast Australia 
MUFS 15-30% depressed during the local day. West coast Australia 
MUFs were near normal to 30% enhanced. Hobart and Canberra MUFs 
are mildly depressed by 15% after local dawn this morning. MUFs 
are expected to be generally near predicted monthly values over 
27-29 Feb. Shortwave fadeouts are possible.

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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.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au