[Ips-dsgr] IPS Daily Report - 31 May 01

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SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 31/2330Z MAY 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 31 MAY AND FORECAST FOR 01 JUNE - 03 JUNE
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
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1A. SOLAR SUMMARY
Activity 31 May:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 31 May: 133/87

GOES satellite data for 30 May
       Daily Proton Fluence >1 MeV:   7.2E+04
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 2.70E+06 (normal)
       X-ray background: B3.5
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             01 Jun             02 Jun             03 Jun
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   130/84             130/84             125/78




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2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 31 May: Quiet 

Estimated Indices 31 May :  A   K           
   Australian Region       0   0000 0012
      Darwin               2   0111 0113
      Townsville           0   0000 0010
      Learmonth            3   1111 1112
      Canberra             0   0000 0002
      Hobart               0   0000 0002
    
Observed Regional daily pc3 Indices 31 MAY : 
      Darwin               0   (Quiet)
      Townsville          64   (Active)
      Learmonth           NA
      Canberra             0   (Quiet)
      Hobart               8   (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 31 May : A 
           Fredericksburg         5
           Planetary              8                         

Observed AFr/Ap Indices 30 May :  A   K
           Fredericksburg         2
           Planetary              5   1001 2222     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
01 Jun     6    Quiet 
02 Jun     6    Quiet 
03 Jun     6    Quiet 

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3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
31 May      Normal         Normal-fair    Normal-fair    
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
01 Jun      Normal         Normal-fair    Normal-fair   
02 Jun      Normal         Normal-fair    Normal-fair   
03 Jun      Normal         Normal-fair    Normal-fair   

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
31 May   106

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Near predicted monthly values.
   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: 117

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
01 Jun   110    Near predicted monthly values 
02 Jun   110    Near predicted monthly values 
03 Jun   110    Near predicted monthly values 


IPS Radio and Space Services      | email: asfc at ips.gov.au
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