[Ips-dsgr] IPS Daily Report - 17 December 00

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SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 17/2330Z DECEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 17 DECEMBER AND FORECAST FOR 18 DECEMBER - 20 DECEMBER
STATUS INDICATORS SOL:** YELLOW **   MAG:GREEN     ION: GREEN
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1A. SOLAR SUMMARY
Activity 17 Dec:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 17 Dec: 197/149

GOES satellite data for 16 Dec
       Daily Proton Fluence >1 MeV:   1.2E+06
       Daily Proton Fluence >10 MeV:  1.0E+04
       Daily Electron Fluence >2 MeV: 8.30E+07 (normal)
       X-ray background: B7.2
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             18 Dec             19 Dec             20 Dec
Activity     Low to moderate    Low                Low
Fadeouts     Possible           None expected      None expected
10.7cm/SSN   195/147            195/147            195/147

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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 17 Dec: Quiet to Unsettled 

Estimated Indices 17 Dec :  A   K           
   Australian Region        7   2222 2222
      Darwin                6   2122 2223
      Townsville            5   1122 2222
      Learmonth             7   3212 2222
      Canberra              7   2222 2222
      Hobart                9   2232 3221
    
Observed Regional daily pc3 Indices 17 DEC : 
      Darwin                0   (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 17 Dec : A 
           Fredericksburg        11
           Planetary             10                         

Observed AFr/Ap Indices 16 Dec :  A   K
           Fredericksburg         4
           Planetary              4   0001 2312     

2B. MAGNETIC FORECAST 
Date      Ap    Conditions
18 Dec     7    Quiet 
19 Dec     7    Quiet 
20 Dec     7    Quiet 

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3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
17 Dec      Normal         Normal         Normal         
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
18 Dec      Normal         Normal         Normal
19 Dec      Normal         Normal         Normal
20 Dec      Normal         Normal         Normal

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
17 Dec   149

Observed Australian Regional MUFs
near predicted monthly values

Predicted Monthly T index for December: 130

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
18 Dec   140    near predicted monthly values 
19 Dec   140    Near predicted monthly values 
20 Dec   140    Near predicted monthly values 

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/ 
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