[Ips-dhfpr] SWS Daily HF Prop Report - 05 April 19 issued 2349 UT on 05 Apr 2019 [SEC=UNCLASSIFIED]
rwc at ips.gov.au
Sat Apr 6 10:49:31 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 APRIL 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (05 APRIL)
Date T index Conditions
05 Apr -8 Normal
Cocos Island Region:
Near predicted monthly values during local day.
Enhanced by 40% during local night.
Niue Island Region:
No data available.
Northern Australian Region:
Depressed by 20% during local day.
Enhanced by 20% during local night.
Enhanced by 25% after local dawn.
Southern Australian Region:
Depressed by 30% during local day.
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Depressed by 15% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
2. FORECAST (06 APRIL - 08 APRIL)
Date T index Conditions MUFs
06 Apr -10 Normal-fair Near predicted monthly values
07 Apr -15 Normal-fair Near predicted monthly values
08 Apr -10 Normal Near predicted monthly values
COMMENT: SWS HF Communications Warning 4 was issued on 5 April
and is current for 5-6 Apr. Variable HF conditions were observed
for 05Apr with slightly enhanced conditions for Equatorial and
regions during local day and minor depressions were observed
for Northern Australian and Southern AUS/NZ regions during local
day. Disturbed ionospheric support for Antarctic regions. Similar
conditions are expected for the next 3 UT days with the chance
of notable MUF depressions for Northern AUS and Southern AUS/NZ
regions due to elevated geomagnetic activity.
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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