[Ips-dhfpr] ASWFC Daily HF Prop Report - 30 May 24 issued 2330 UT on 30 May 2024 [SEC=OFFICIAL]

[ASWFC]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/30 MAY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (30 MAY) 
Date   T index  Conditions    
30 May   103    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.0    0713UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Depressed by 15% during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Apr      125
May      114
Jun      116


2. FORECAST (31 MAY - 02 JUNE)
Date   T index  Conditions       MUFs                              
31 May   110    Normal           Near predicted monthly values
01 Jun   110    Normal-fair      Near predicted monthly values    
02 Jun   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 58 was issued on 
29 May and is current for 29-31 May. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 30-May were generally 
near predicted monthly values, with northern Australian region 
MUFs 20% depressed during local night hours. Spread F was observed 
at Hobart, Canberra and Perth during local night hours. MUFs 
are expected to be near predicted monthly values over 31-May 
to 02-Jun. 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