[Ips-dhfpr] SWS Daily HF Prop Report - 25 May 19 issued 2345 UT on 25 May 2019
rwc
rwc at ips.gov.au
Sun May 26 09:45:06 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 MAY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 MAY)
Date T index Conditions
25 May -2 Normal
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Depressed by 15% during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 60% 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
Apr 1
May -12
Jun -12
2. FORECAST (26 MAY - 28 MAY)
Date T index Conditions MUFs
26 May -5 Normal Near predicted monthly values
27 May -5 Normal Near predicted monthly values
28 May -10 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) ranged from near predicted
monthly values to moderately enhanced during local night for
Equatorial/Northern AUS and Southern AUS/NZ regions. Notable
periods of degraded ionospheric support for Antarctic regions
over the UT day. Similar HF conditions are expected for the next
3 days.
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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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