[Ips-dhfpr] SWS Daily HF Prop Report - 25 November 18 issued 2330 UT on 25 Nov 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Nov 26 10:30:20 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 NOVEMBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 NOVEMBER)
Date T index Conditions
25 Nov -29 Normal-fair
Flares: none.
MUFs:
Cocos Island Region:
No data available.
Niue Island Region:
Near predicted monthly values during local day.
Depressed by 35% during local night.
Depressed by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Southern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values 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
Oct -17
Nov -7
Dec -7
2. FORECAST (26 NOVEMBER - 28 NOVEMBER)
Date T index Conditions MUFs
26 Nov -25 Normal-fair Near predicted monthly values/depressed
10 to 30%
27 Nov -25 Normal-fair Near predicted monthly values/depressed
10 to 30%
28 Nov -25 Normal-fair Near predicted monthly values/depressed
10 to 30%
COMMENT: MUFs ranged from minor depressions to near predicted
monthly values for Northern AUS, Southern AUS/NZ and Antarctic
regions for 25 Nov. MUFs depressions up to 35% during local night
for Niue Island region. Incidents of Spread F and Sporadic E
were observed at some Australian sites. Similar levels of ionospheric
support expected for the next 3 days due to continued very low
levels of ionising radiation from the Sun.
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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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