[Ips-dhfpr] SWS Daily HF Prop Report - 22 July 18 issued 2330 UT on 22 Jul 2018 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Mon Jul 23 09:30:27 EST 2018
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JULY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 JULY)
Date T index Conditions
22 Jul 4 Normal
Flares: none.
MUFs:
Cocos Island Region:
No data available during local day.
No data available during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Enhanced by 25% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 25% 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
Jun 7
Jul -2
Aug -3
2. FORECAST (23 JULY - 25 JULY)
Date T index Conditions MUFs
23 Jul 5 Normal Near predicted monthly values
24 Jul 15 Normal-fair Near to 15% above predicted
monthly values
25 Jul 0 Normal Near predicted monthly values
COMMENT: Mostly normal HF conditions were observed across the
Aus/NZ regions on UT day 22 July, with periods of mild to moderate
MUF enhancements in the Southern Australian Region during local
night. Incidents of sporadic-E were observed at some Australian
sites. Mostly normal to moderately enhanced MUFs are expected
in the Aus/NZ regions for the next two UT days (23-24 July).
Periods of moderately degraded conditions are possible on 24
July and 25 July due to expected increase of geomagnetic activity.
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For an explanation of some of the terms in this report, go to
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Glossary on Solar Terrestrial Terms.
Space Weather Services email: asfc at bom.gov.au
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