[Ips-dhfpr] SWS Daily HF Prop Report - 28 April 20 issued 2331 UT on 28 Apr 2020
Regional Warning Centre
rwc at ips.gov.au
Wed Apr 29 09:31:29 EST 2020
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 APRIL 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 APRIL)
Date T index Conditions
28 Apr 9 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 80% during local night.
Niue Island Region:
Depressed by 15% during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 35% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
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
Mar 1
Apr -14
May -14
2. FORECAST (29 APRIL - 01 MAY)
Date T index Conditions MUFs
29 Apr 4 Normal Near to 15% above predicted
monthly values
30 Apr 4 Normal Near to 15% above predicted
monthly values
01 May 4 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) were mainly near predicted
monthly values with periods of minor to moderate enhancements
for the Australian regions on UT day 28 April. Sporadic E layers
were observed over most sites. Mostly normal HF propagation conditions
are expected in the Australian regions for the next three UT
days, 29 April to 01 May.
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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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