[Ips-dsgr] IPS Daily Report - 27 January 01
rwc
rwc at ips.gov.au
Sun Jan 28 10:13:27 EST 2001
SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 27/2330Z JANUARY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 27 JANUARY AND FORECAST FOR 28 JANUARY - 30 JANUARY
STATUS INDICATORS SOL:GREEN MAG:GREEN ION: GREEN
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1A. SOLAR SUMMARY
Activity 27 Jan: Low
Flares: none.
Observed 10.7 cm flux/Equivalent Sunspot Number for 27 Jan: 167/121
GOES satellite data for 26 Jan
Daily Proton Fluence >1 MeV: 1.6E+06
Daily Proton Fluence >10 MeV: 2.6E+04
Daily Electron Fluence >2 MeV: 8.60E+06 (normal)
X-ray background: B5.4
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
1B. SOLAR FORECAST
28 Jan 29 Jan 30 Jan
Activity Low Low Low
Fadeouts None expected None expected None expected
10.7cm/SSN 165/119 165/119 160/114
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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 27 Jan: Quiet
Estimated Indices 27 Jan : A K
Australian Region 3 2111 0113
Darwin 2 2101 0112
Townsville 3 2111 0114
Learmonth 5 3211 1112
Canberra 3 2121 0013
Hobart 5 2222 1112
Observed Regional daily pc3 Indices 27 JAN :
Darwin 4 (Quiet)
Townsville 0 (Quiet)
Learmonth 0 (Quiet)
Canberra 0 (Quiet)
Hobart 2 (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.
Estimated AFr/Ap Indices 27 Jan : A
Fredericksburg 5
Planetary 4
Observed AFr/Ap Indices 26 Jan : A K
Fredericksburg 9
Planetary 10 2243 2223
2B. MAGNETIC FORECAST
Date Ap Conditions
28 Jan 3 Quiet
29 Jan 4 Quiet
30 Jan 11 Unsettled
COMMENT: Recurrence suggests unsettled to active conditions on
31 Jan. A very outside chance for a small impulse in the field
second half of UT day on 29 Jan.
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3A. GLOBAL HF PROPAGATION SUMMARY
Latitude Band
Date Low Middle High
27 Jan Normal Fair-normal Fair-normal
PCA Event : No event.
3B. GLOBAL HF PROPAGATION FORECAST
Latitude Band
Date Low Middle High
28 Jan Normal Normal Normal
29 Jan Normal Normal Normal
30 Jan Normal Normal Normal-Fair
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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date T index
27 Jan 118
Observed Australian Regional MUFs
Equatorial PNG Region:
Near predicted monthly values.
Northern Australian Region:
Near predicted monthly values.
Southern Australian and New Zealand Region:
Mildy depressed to near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for January: 117
4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date T index MUFs
28 Jan 120 Near predicted monthly values
29 Jan 120 Near predicted monthly values
30 Jan 120 Near predicted monthly values
COMMENT: Mildly depressed conditions again observed at some southern
region sites after dawn this morning. Northern region MUFs near
normal. Depression is not expected to persist.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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