[Ips-dsgr] IPS Daily Report - 16 June 06
rwc
rwc at ips.gov.au
Sat Jun 17 09:07:57 EST 2006
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 16/2330Z JUNE 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 16 JUNE AND FORECAST FOR 17 JUNE - 19 JUNE
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 16 Jun: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 16 Jun: 75/13
1B. SOLAR FORECAST
17 Jun 18 Jun 19 Jun
Activity Very low Very low Very low
Fadeouts None expected None expected None expected
10.7cm/SSN 75/13 80/20 80/20
COMMENT: Expect solar activity to be very low for the next three
days. SOHO ACE shows the solar wind steadily decreasing to 510
km/s as the coronal hole moves from it geoeffective location.
The Bz component of the interplanetary magnetic field flucuated
between +/- 5 nT and is presently -2 nT.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 16 Jun: Quiet
Estimated Indices 16 Jun : A K
Australian Region 7 22222222
Darwin 6 22222121
Learmonth 7 22222132
Culgoora 6 22212222
Camden 9 32222223
Canberra 8 23222222
Hobart 7 22312222
Casey(Ant) 11 33321233
Observed Regional daily pc3 Indices 16 Jun :
Canberra 51 (Unsettled)
Learmonth 2 (Quiet)
Culgoora 25 (Quiet to unsettled)
Hobart 53 (Unsettled)
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.
Estimated AFr/Ap Indices 16 Jun : A
Fredericksburg 10
Planetary 12
Observed AFr/Ap Indices 15 Jun : A K
Fredericksburg 17
Planetary 28 2455 3334
2B. MAGNETIC FORECAST
Date Ap Conditions
17 Jun 8 Quiet to Unsettled
18 Jun 6 Quiet
19 Jun 6 Quiet
COMMENT: Expect the geomagnetic activity to be unsettled to quiet
over the next three days as coronal hole moves westward.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
16 Jun Normal Normal Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
17 Jun Normal Normal Normal-Fair
18 Jun Normal Normal Normal
19 Jun Normal Normal Normal
COMMENT: Expect normal HF conditions for the next three days.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
16 Jun 23
Observed Australian Regional MUFs
Equatorial PNG/Niue Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values.
Predicted Monthly T index for June: 15
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
17 Jun 20 near predicted monthly values
18 Jun 18 near predicted monthly values
19 Jun 16 near predicted monthly values
COMMENT: HF conditions are expected to remain normal in the Aus/NZ
regions for the next three days.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 15 Jun
Daily Proton Fluence >1 MeV: 1.1E+06
Daily Proton Fluence >10 MeV: 1.5E+04
Daily Electron Fluence >2 MeV: 5.40E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 7%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: A9.3
ACE Satellite Solar Wind Day Averaged Data for 15 Jun
Speed: 566 km/sec Density: 3.3 p/cc Temp: 373000 K Bz: 0 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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