[Ips-dhfpr] SWS Daily HF Prop Report - 28 July 22 issued 2330 UT on 28 Jul 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JULY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JULY) 
Date   T index  Conditions    
28 Jul    48    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% 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
Jun      60
Jul      65
Aug      67


2. FORECAST (29 JULY - 31 JULY)
Date   T index  Conditions       MUFs                              
29 Jul    55    Normal           Near predicted monthly values
30 Jul    55    Normal           Near predicted monthly values    
31 Jul    55    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 28-Jul were 
near monthly predicted values. Spread-F was observed at Darwin, 
Hobart, Learmonth and Townsville during local night hours. MUFs 
are generally expected to be near monthly predicted values over 
29-31 Jul, with the possibility of mildly degraded conditions 
due to a possible increase in geomagnetic activity over 29-30 
Jul.

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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
Level 2 Bice Building, Lot Fourteen Precinct, North Terrace, Adelaide SA 5000
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au