[Ips-dhfpr] SWS Daily HF Prop Report - 22 August 19 issued 2331 UT on 22 Aug 2019
Regional Warning Centre
rwc at ips.gov.au
Fri Aug 23 09:31:29 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 AUGUST 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 AUGUST)
Date T index Conditions
22 Aug -4 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
Near predicted monthly values.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Depressed by 20% after local dawn.
Northern Australian Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% during local night.
Enhanced by 25% after local dawn.
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
Jul -2
Aug -13
Sep -15
2. FORECAST (23 AUGUST - 25 AUGUST)
Date T index Conditions MUFs
23 Aug -5 Normal Near predicted monthly values
24 Aug -5 Normal Near predicted monthly values
25 Aug -5 Normal Near predicted monthly values
COMMENT: Maximum usable frequencies (MUFs) ranged mostly from
near predicted monthly values to moderately enhanced ones during
UT day 22 August. Mild depressions were observed at times across
Northern Australian and Equatorial regions. Sporadic-E and Spread-F
occurrences were observed over some sites. MUFs are expected
to range mostly near predicted monthly levels for UT days 23-25
August.
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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
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