[Ips-dhfpr] SWS Daily HF Prop Report - 21 June 18 issued 2336 UT on 21 Jun 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Fri Jun 22 09:36:29 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 JUNE 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (21 JUNE)
Date T index Conditions
21 Jun 9 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Enhanced by 30% over the UT day.
PCA Event : No event.
Monthly T index:
Month T index
May 4
Jun -1
Jul -2
2. FORECAST (22 JUNE - 24 JUNE)
Date T index Conditions MUFs
22 Jun 10 Normal Near predicted monthly values
23 Jun 10 Normal Near predicted monthly values
24 Jun 15 Normal Near to 15% above predicted
monthly values
COMMENT: SWS SWF HF Communications Warning 8 was issued on 21
June and is current for 21-22 Jun. MUFs were mostly near predicted
monthly values over the last 24 hours with periods of notable
enhancements observed at Equatorial and Southern AUS/NZ regions
during local night. Variable ionospheric support observed for
Antarctic regions ranging from enhanced to poor/disturbed conditions.
Similar conditions are expected for the next 3 days with MUFs
expected to be near predicted monthly values and the chance of
enhancements for Equatorial,Northern AUS to Southern AUS/NZ regions.
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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.
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