[Ips-dsgr] IPS Daily Report - 05 May 05
rwc
rwc at ips.gov.au
Fri May 6 09:45:37 EST 2005
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 05/2330Z MAY 2005 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 05 MAY AND FORECAST FOR 06 MAY - 08 MAY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 05 May: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 05 May: 109/59
1B. SOLAR FORECAST
06 May 07 May 08 May
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 105/54 105/54 100/48
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 05 May: Quiet
Estimated Indices 05 May : A K
Australian Region 4 1212 1110
Learmonth 4 1212 1210
Culgoora 3 1111 1110
Canberra 3 1111 1110
Hobart 4 1112 2110
Casey(Ant) 7 2322 1211
Observed Regional daily pc3 Indices 05 May :
Townsville NA
Learmonth NA
Culgoora NA
Canberra NA
Hobart 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.
Estimated AFr/Ap Indices 05 May : A
Fredericksburg 5
Planetary 5
Observed AFr/Ap Indices 04 May : A K
Fredericksburg 4
Planetary 7 3311 1221
2B. MAGNETIC FORECAST
Date Ap Conditions
06 May 7 Quiet
07 May 5 Quiet
08 May 10 Quiet to Unsettled
COMMENT: 27 day recurrence patterns suggest quiet geomagnetic
conditions.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
05 May Normal Normal Normal-fair
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
06 May Normal Normal Normal
07 May Normal Normal Normal
08 May Normal Normal Normal-Fair
COMMENT: HF conditions should be normal over the next 24 hours.
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
05 May 38
Observed Australian Regional MUFs
Equatorial PNG Region:
Enhanced by 20% during local day,
Enhanced by 45% during local night.
Enhanced by 35% after local dawn.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for May: 27
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
06 May 35 Near predicted monthly values
07 May 38 10 to 15% above predicted monthly values
08 May 36 Near predicted monthly values
COMMENT: Good HF conditions expected.
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5. SPACE ENVIRONMENT SUMMARY
GOES satellite data for 04 May
Daily Proton Fluence >1 MeV: 5.5E+05
Daily Proton Fluence >10 MeV: 1.4E+04
Daily Electron Fluence >2 MeV: 4.20E+08 (moderate fluence)
Electron Fluence Daily Deep Dielectric Discharge Probability:21%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
X-ray background: B2.0
ACE Satellite Solar Wind Day Averaged Data for 04 May
Speed: 397 km/sec Density: 0.6 p/cc Temp: 55100 K Bz: -2 nT
(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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