[Ips-dsgr] IPS Daily Report - 29 April 01

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SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 29/2330Z APRIL 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 29 APRIL AND FORECAST FOR 30 APRIL - 02 MAY
STATUS INDICATORS SOL:*YELLOW*   MAG:GREEN     ION: GREEN
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1A. SOLAR SUMMARY
Activity 29 Apr:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 29 Apr: 192/144

GOES satellite data for 28 Apr
       Daily Proton Fluence >1 MeV:   1.3E+08
       Daily Proton Fluence >10 MeV:  2.8E+05
       Daily Electron Fluence >2 MeV: 4.50E+06 (normal)
       X-ray background: B8.8
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             30 Apr             01 May             02 May
Activity     Moderate to high   Moderate           Moderate
Fadeouts     Probable           Possible           Possible
10.7cm/SSN   190/143            185/138            180/133



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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 29 Apr: Quiet to Active 

Estimated Indices 29 Apr :  A   K           
   Australian Region       11   4322 3211
      Darwin               12   4322 3222
      Townsville           11   4322 3211
      Learmonth            11   4222 3222
      Canberra              9   3321 3211
      Hobart                6   3221 2111
    
Observed Regional daily pc3 Indices 29 APR : 
      Darwin               35   (Quiet to unsettled)
      Townsville           10   (Quiet)
      Learmonth             4   (Quiet)
      Canberra             59   (Unsettled)
      Hobart               71   (Active)
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 29 Apr : A 
           Fredericksburg        15
           Planetary             15                         

Observed AFr/Ap Indices 28 Apr :  A   K
           Fredericksburg        34
           Planetary             28   2534 5533     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
30 Apr    12    Quiet to unsettled 
01 May    10    Quiet to unsettled 
02 May     8    Quiet to Unsettled 

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3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
29 Apr      Fair-normal    Normal         Fair-poor      
PCA Event : No event.
 

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
30 Apr      Normal         Normal         Normal-Fair
01 May      Normal         Normal         Normal-Fair
02 May      Normal         Normal         Normal-Fair

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
29 Apr   137

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Depressed 15% to near predicted monthly values.
   Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Depressed 15-30% to near predicted monthly values.


Predicted Monthly T index for April: 120

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
30 Apr   130    near predicted monthly values 
01 May   135    near predicted monthly values 
02 May   135    Near predicted monthly values 


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