[Ips-dhfpr] SWS Daily HF Prop Report - 18 July 19 issued 2331 UT on 18 Jul 2019
Regional Warning Centre
rwc at ips.gov.au
Fri Jul 19 09:31:27 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/18 JULY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (18 JULY)
Date T index Conditions
18 Jul -5 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 45% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
Jun -4
Jul -12
Aug -14
2. FORECAST (19 JULY - 21 JULY)
Date T index Conditions MUFs
19 Jul -3 Normal Near predicted monthly values
20 Jul -3 Normal Near predicted monthly values
21 Jul -3 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) stayed mostly near
predicted monthly values with periods of mild to moderate enhancements
across the Australian/NZ regions on UT day 17 July. Sporadic-E
and Spread-F occurrences were observed over some sites. MUFs
in this region are expected to stay mostly near the predicted
monthly values for the next three UT days (19 to 21 July).
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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
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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