[Ips-dhfpr] SWS Daily HF Prop Report - 25 July 21 issued 2330 UT on 25 Jul 2021
Regional Warning Centre
rwc at ips.gov.au
Mon Jul 26 09:30:10 EST 2021
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 JULY 2021 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 JULY)
Date T index Conditions
25 Jul 21 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Near predicted monthly values at Townsville. Some
depressions to 20% 00-12 UT at Darwin.
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 13
Jul 23
Aug 26
2. FORECAST (26 JULY - 28 JULY)
Date T index Conditions MUFs
26 Jul 20 Normal Near predicted monthly values
27 Jul 15 Normal Near predicted monthly values
28 Jul 15 Normal Near predicted monthly values
COMMENT: MUFs in the Australian region on UT day 25 July were
mostly near predicted monthly values. Sporadic E was observed
at Darwin 09-16 UT and night spread F observed at Brisbane and
Canberra. MUFs in the Australian region are expected to be mostly
near predicted monthly values on UT days 26-28 July.
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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.
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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