[Ips-dsgr] IPS Daily Report - 06 March 03
rwc
rwc at ips.gov.au
Fri Mar 7 10:46:47 EST 2003
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 06/2330Z MARCH 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 06 MARCH AND FORECAST FOR 07 MARCH - 09 MARCH
STATUS INDICATORS SOL:GREEN MAG:*YELLOW* ION:*YELLOW*
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1A. SOLAR SUMMARY
Activity 06 Mar: Very low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 06 Mar: 150/105
1B. SOLAR FORECAST
07 Mar 08 Mar 09 Mar
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 145/99 145/99 145/99
COMMENT: Solar wind parameters suggest the high speed coronal
hole solar wind stream is slowly abating.
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 06 Mar: Quiet to Active
Estimated Indices 06 Mar : A K
Australian Region 17 3233 4433
Darwin 16 3223 4433
Townsville 16 3223 443-
Learmonth 22 3223 5534
Canberra 17 3224 4433
Hobart 20 3334 4433
Casey(Ant) 18 4343 3333
Observed Regional daily pc3 Indices 06 MAR :
Townsville 0 (Quiet)
Learmonth 2 (Quiet)
Canberra 29 (Quiet to unsettled)
Hobart 30 (Quiet to 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 06 Mar : A
Fredericksburg 15
Planetary 20
Observed AFr/Ap Indices 05 Mar : A K
Fredericksburg 12
Planetary 16 3234 4333
2B. MAGNETIC FORECAST
Date Ap Conditions
07 Mar 15 Unsettled to Active
08 Mar 12 Unsettled
09 Mar 8 Quiet to Unsettled
COMMENT: Geomagnetic activity is expected to be at mostly unsettled
levels with possible active periods for 07 March. Activity is
expected to decline to quiet to unsettled for 8-9 March.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
06 Mar Normal Normal-fair Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
07 Mar Normal Normal-fair Normal-fair
08 Mar Normal Normal Normal-fair
09 Mar Normal Normal Normal-fair
COMMENT: HF conditions are expected to remain mostly normal for
the next three days, however, mild depressions may be observed
at times for mid-latitude regions.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
06 Mar 86
Observed Australian Regional MUFs
Equatorial PNG Region:
Near predicted monthly values during local day,
Enhanced by 40% during local night.
Northern Australian Region:
Enhanced by 20% during local day,
Near predicted monthly values during local night.
Southern Australian and New Zealand Region:
Depressed by 15-30% at times during local day,
Near predicted monthly values during local night.
Antarctic Region (Casey/Scott Base):
Mostly near predicted monthly values.
Predicted Monthly T index for March: 82
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
07 Mar 95 depressed 10 to 20%/enhanced 5 to 10%
08 Mar 105 5 to 10% above predicted monthly values
09 Mar 110 5 to 10% above predicted monthly values
COMMENT: HF conditions are expected to remain mostly normal for
the next three days, however, mild depressions may be observed
at times for southern regions.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 05 Mar
Daily Proton Fluence >1 MeV: 2.3E+05
Daily Proton Fluence >10 MeV: 1.2E+04
Daily Electron Fluence >2 MeV: 3.60E+07 (normal)
X-ray background: B3.4
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
ACE Satellite Solar Wind Day Averaged Data for 05 Mar
Speed: 484 km/sec Density: 3.7 p/cc Temp: 111000 K Bz: 2 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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