[Ips-dsgr] IPS Daily Report - 02 January 05
Regional Warning Centre
rwc at ips.gov.au
Mon Jan 3 10:35:25 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 02/2330Z JANUARY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 02 JANUARY AND FORECAST FOR 03 JANUARY - 05 JANUARY
STATUS INDICATORS SOL:GREEN MAG:** RED ** ION: GREEN
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1A. SOLAR SUMMARY
Activity 02 Jan: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 02 Jan: 100/48
1B. SOLAR FORECAST
03 Jan 04 Jan 05 Jan
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 95/41 95/41 90/34
ACE EPAM data indicates an energetic ion enhancement event beginning
02/0845UT, which can be a precursor to increased geomagnetic
activity over next 24-36 hours.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 02 Jan: Unsettled to Minor Storm
Estimated Indices 02 Jan : A K
Australian Region 21 4443 3432
Darwin 20 3443 3432
Learmonth 23 4343 353-
Culgoora 20 3443 343-
Canberra 24 3543 344-
Hobart 23 3543 343-
Casey(Ant) 28 5--4 344-
Observed Regional daily pc3 Indices 02 Jan :
Townsville NA
Learmonth 22 (Quiet to unsettled)
Culgoora 42 (Unsettled)
Canberra 65 (Active)
Hobart 89 (Minor storm)
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 02 Jan : A
Fredericksburg 20
Planetary 25
Observed AFr/Ap Indices 01 Jan : A K
Fredericksburg 10
Planetary 15 1432 3343
2B. MAGNETIC FORECAST
Date Ap Conditions
03 Jan 28 active
04 Jan 14 Unsettled to Active
05 Jan 8 Quiet to Unsettled
COMMENT: Disturbed geomagnetic conditions expected during the
forecast period.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
02 Jan Normal-Fair Fair Fair-Poor
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
03 Jan Normal-Fair Fair Fair-Poor
04 Jan Normal Normal Normal-Fair
05 Jan Normal Normal Normal-Fair
COMMENT: Depressed conditions expected on day 1 of forecast period
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
02 Jan 35
Observed Australian Regional MUFs
Equatorial PNG Region:
Mostly near predicted monthly values,
Depressed by 30% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values,
Depressed by 25% after local dawn.
Antarctic Region (Casey/Scott Base):
Enhanced by 45% over the UT day.
Predicted Monthly T index for January: 33
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
03 Jan 15 Depressed 15 to 20% southern Aus/NZ region
04 Jan 15 Depressed 15 to 20% southern Aus/NZ region
05 Jan 30 Near predicted monthly values
COMMENT: IPS HF Communications Warning 57 was issued on 31 December
and is current for interval 2-3 January.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 01 Jan
Daily Proton Fluence >1 MeV: 7.4E+05
Daily Proton Fluence >10 MeV: 1.3E+04
Daily Electron Fluence >2 MeV: 2.50E+07 (normal fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability: 4%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: B1.3
ACE Satellite Solar Wind Day Averaged Data for 01 Jan
Speed: 456 km/sec Density: 6.2 p/cc Temp: 123000 K Bz: 1 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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