[Ips-dsgr] SWS Daily Report - 08 February 17 issued 2330 UT on 08 Feb 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at sws.bom.gov.au
Thu Feb 9 10:30:52 EST 2017
SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/08 FEBRUARY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 08 FEBRUARY AND FORECAST FOR 09 FEBRUARY - 11 FEBRUARY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 08 Feb: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 08 Feb: 73/9
1B. SOLAR FORECAST
09 Feb 10 Feb 11 Feb
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 73/9 72/8 73/9
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 08 Feb: Quiet to Unsettled
Estimated Indices 08 Feb : A K
Australian Region 6 11123212
Cocos Island 3 11112210
Darwin 4 11112211
Townsville 6 11222222
Learmonth 7 11223213
Alice Springs 5 01123211
Norfolk Island 4 01112221
Gingin 7 11123213
Camden 8 13223222
Canberra 3 01112211
Launceston 8 11223322
Estimated Antarctic Regional K Indices 08 Feb :
Macquarie Island 5 00123310
Casey 14 34432222
Mawson 10 42222213
Observed Regional daily pc3 Indices 08 Feb :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice Springs 0 (Quiet)
Gingin 4 (Quiet)
Canberra 0 (Quiet)
Melbourne NA
Pc3 pulsations are high frequency (10-45 second period) variations
of the Earths magnetic field. Daily pc3-indices are the daily sum
of 20 minute pc3-indices for that station and have been shown to be
well correlated with rejection of high resolution aeromagnetic
survey flight-line data.
NOTE: Indices may have been generated from data obtained in
cooperation with the following organisations: Geoscience Australia,
University of Newcastle Space Physics Group, Australian Government
Antarctic Division and International Center for Space Weather
Science and Education, Japan.
Estimated AFr/Ap Indices 08 Feb : A
Fredericksburg 6
Planetary 8
Observed AFr/Ap Indices 07 Feb : A K
Fredericksburg 5
Planetary 6 2111 2111
2B. MAGNETIC FORECAST
Date Ap Conditions
09 Feb 5 Quiet
10 Feb 4 Quiet
11 Feb 3 Quiet
COMMENT: Quiet conditions are expected.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
08 Feb Normal Normal Normal-Fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
09 Feb Normal Normal Normal
10 Feb Normal Normal Normal
11 Feb Normal Normal Normal
COMMENT: Generally normal HF conditions expected.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
08 Feb 5
Observed Australian Regional MUFs
Cocos Island Region:
Depressed by 20% during local day.
Near predicted monthly values during local night.
Niue Island Region:
Depressed by 25% during local day.
Near predicted monthly values during local night.
Northern Australian Region:
Depressed by 15% during local day.
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Depressed by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Monthly T index:
Month T index
Jan 0
Feb 18
Mar 16
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
09 Feb 10 Near predicted monthly values
10 Feb 15 Near predicted monthly values
11 Feb 15 Near predicted monthly values
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 07 Feb
Daily Proton Fluence >1 MeV: 8.9E+05
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 5.20E+08 (high fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:23%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A6.3
ACE Satellite Solar Wind Day Averaged Data for 07 Feb
Speed: 521 km/sec Density: 5.1 p/cc Temp: 247000 K Bz: 0 nT
(Courtesy Space Weather Prediction Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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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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