[Ips-dsgr] SWS Daily Report - 06 June 17 issued 2330 UT on 06 Jun 2017 [SEC=UNCLASSIFIED]
Regional Warning Centre
rwc at ips.gov.au
Wed Jun 7 09:30:19 EST 2017
SUBJ: SWS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 2330UT/06 JUNE 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 06 JUNE AND FORECAST FOR 07 JUNE - 09 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 06 Jun: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 06 Jun: 75/13
1B. SOLAR FORECAST
07 Jun 08 Jun 09 Jun
Activity Very low to low Very low to low Very low to low
Fadeouts None expected None expected None expected
10.7cm/SSN 75/13 75/13 72/8
COMMENT: Solar activity was very low for the UT day, 6 June,
with no notable flares. Very low levels of solar activity is
expected for the next 3 UT days (7-9 June) with a chance of C-class
flares. No Earth-directed CMEs were observed in the available
LASCO imagery up to 06/1600 UT. The solar wind speed continued
to trend near the nominal level of 375 km/s over the last 24
hours. The IMF Bt was steady near 6 nT during the UT day. The
Bz component of the IMF varied between -5 nT and +5 nT, with
no significant period of southward Bz conditions. The two day
outlook (7-8 June) is for the solar winds to continue to trend
near the nominal levels.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 06 Jun: Quiet
Estimated Indices 06 Jun : A K
Australian Region 2 11112000
Cocos Island 1 11011000
Darwin 3 22112000
Townsville 4 22122001
Learmonth 3 21212000
Alice Springs 2 12012000
Culgoora 2 12112000
Gingin 2 10112000
Camden 2 12112000
Canberra 2 11012000
Launceston 3 12113000
Hobart 3 11113000
Estimated Antarctic Regional K Indices 06 Jun :
Macquarie Island 3 11013000
Casey 4 22222000
Mawson 10 43211014
Observed Regional daily pc3 Indices 06 Jun :
Darwin 0 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Alice Springs 0 (Quiet)
Gingin 0 (Quiet)
Canberra 11 (Quiet)
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 06 Jun : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 05 Jun : A K
Fredericksburg 5
Planetary 5 1110 2222
2B. MAGNETIC FORECAST
Date Ap Conditions
07 Jun 7 Quiet
08 Jun 7 Quiet
09 Jun 7 Quiet
COMMENT: Magnetic conditions were at quiet levels across the
Australian region during the UT day, 6 June. Mostly quiet and
occasional unsettled conditions are expected for the UT days
7-8 June.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
06 Jun Normal Normal Normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
07 Jun Normal Normal Normal
08 Jun Normal Normal Normal
09 Jun Normal Normal Normal
COMMENT: Mostly near monthly predicted HF conditions and MUFs
are expected for today, 7 June.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
06 Jun 13
Observed Australian Regional MUFs
Cocos Island Region:
No data available
Niue Island Region:
Near predicted monthly values during local day.
Enhanced by 30% during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Southern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
Monthly T index:
Month T index
May 10
Jun 10
Jul 9
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
07 Jun 10 Near predicted monthly values
08 Jun 10 Near predicted monthly values
09 Jun 10 Near predicted monthly values
COMMENT: Mostly near predicted monthly MUFs were observed over
the Australian region on UT day 6 June. Expect similar MUF conditions
for the next three UT days, 7-9 June.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 05 Jun
Daily Proton Fluence >1 MeV: 1.7E+06
Daily Proton Fluence >10 MeV: 1.7E+04
Daily Electron Fluence >2 MeV: 1.60E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 3%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A9.0
DSCOVR Satellite Solar Wind Day Averaged Data for 05 Jun
Speed: 372 km/sec Density: 7.2 p/cc Temp: 38800 K Bz: 1 nT
(Courtesy Space Weather Prediction Center, Boulder USA)
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Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
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