[Ips-dhfpr] SWS Daily HF Prop Report - 13 July 19 issued 2331 UT on 13 Jul 2019
Regional Warning Centre
rwc at ips.gov.au
Sun Jul 14 09:31:24 EST 2019
SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 JULY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 JULY)
Date T index Conditions
13 Jul -4 Normal
Flares: none.
MUFs:
Cocos Island Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values.
PCA Event : No event.
Monthly T index:
Month T index
Jun -4
Jul -12
Aug -14
2. FORECAST (14 JULY - 16 JULY)
Date T index Conditions MUFs
14 Jul -5 Normal Near predicted monthly values
15 Jul 5 Normal Near to 15% above predicted
monthly values
16 Jul 5 Normal Near to 15% above predicted
monthly values
COMMENT: Maximum usable frequencies (MUFs) ranged mostly near
predicted monthly values. Sporadic-E and Spread-F occurrences
were observed over some sites. Similar HF conditions are expected
today, 14 July. Mildly Enhanced MUFs may be observed 15-16 July
due to predicted increase in geomagnetic activity.
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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
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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