[Ips-dhfpr] SWS Daily HF Prop Report - 22 September 19 issued 2333 UT on 22 Sep 2019
rwc
rwc at ips.gov.au
Mon Sep 23 09:33:12 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 SEPTEMBER 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 SEPTEMBER)
Date T index Conditions
22 Sep 0 Normal
Flares: none.
MUFs:
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values during local day.
Depressed by 25% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 35% 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
Aug -3
Sep -14
Oct -16
2. FORECAST (23 SEPTEMBER - 25 SEPTEMBER)
Date T index Conditions MUFs
23 Sep 0 Normal Near predicted monthly values/depressed
10 to 20%
24 Sep -4 Normal-fair Near predicted monthly values/depressed
10 to 30%
25 Sep -4 Normal-fair Near predicted monthly values/depressed
10 to 30%
COMMENT: Maximum usable frequencies (MUFs) in the Australian
region were mostly near predicted monthly values during UT day
22 September. Some periods of minor to moderate MUF enhancements
as well as MUF depressions were also observed. Sporadic-E and
Spread-F occurrences were observed over some sites. For the next
three UT days, 23-25 September, MUFs are expected to be near
predicted monthly values with the possibility of minor to moderate
MUF depressions on UT days 23 to 25 September.
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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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Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
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