[Ips-dhfpr] SWS Daily HF Prop Report - 29 July 19 issued 2331 UT on 29 Jul 2019
Regional Warning Centre
rwc at ips.gov.au
Tue Jul 30 09:31:37 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 JULY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 JULY)
Date T index Conditions
29 Jul -6 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Enhanced by 15% 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 -4
Jul -12
Aug -14
2. FORECAST (30 JULY - 01 AUGUST)
Date T index Conditions MUFs
30 Jul -5 Normal Near predicted monthly values
31 Jul -5 Normal Near predicted monthly values
01 Aug -5 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) stayed mostly near
predicted monthly values across the Australian/NZ regions on
UT day 29 July. Cocos Island Region experienced Minor to Moderate
depressions in MUFs during the local day. Sporadic-E and Spread-F
occurrences were observed over some sites. MUFs in the Australian/NZ
regions are expected to stay mostly near the predicted monthly
values for the next three UT days, 30 July to 01 August.
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For an explanation of some of the terms in this report, go to
http://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
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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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