[Ips-dsgr] IPS Daily Report - 30 April 06

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SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 30/2330Z APRIL 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 30 APRIL AND FORECAST FOR 01 MAY - 03 MAY
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
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1A. SOLAR SUMMARY
Activity 30 Apr:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 30 Apr: 100/48


1B. SOLAR FORECAST
             01 May             02 May             03 May
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   105/54             105/54             105/54
COMMENT: Isolated M-class flares may occur over the forecast 
period; sudden ionospheric disturbances are therefore possible. 



IPS/USAF Learmonth Observatory reports good flare potential
 from solar region(s):number 875,number 876,number 877.
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2A. MAGNETIC SUMMARY

Geomagnetic field for Australian Region 30 Apr: Quiet 

Estimated Indices 30 Apr :  A   K           
   Australian Region       1   21000001
      Darwin               2   21100001
      Learmonth            1   21000000
      Culgoora             1   11000001
      Camden               -   --------
      Canberra             1   20000001
      Hobart               0   10000001
      Casey(Ant)           2   22110000
    
Observed Regional daily pc3 Indices 30 Apr : 
      Canberra             0   (Quiet)
      Learmonth            0   (Quiet)
      Culgoora             0   (Quiet)
      Hobart               0   (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 30 Apr : A 
           Fredericksburg         2
           Planetary              5                         

Observed AFr/Ap Indices 29 Apr :  A   K
           Fredericksburg         2
           Planetary              3   1000 1211     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
01 May     7    Quiet 
02 May    12    Unsettled 
03 May    10    Quiet to Unsettled 


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

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

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4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY


Date   T index
30 Apr    35

Observed Australian Regional MUFs
   Near predicted monthly values to 30% enhanced at all
   latitudes.

Predicted Monthly T index for April:  16

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
01 May    30    Near predicted monthly values to 30% enhanced. 
02 May    30    Near predicted monthly values to 30% enhanced. 
03 May    30    Near predicted monthly values to 30% enhanced. 
COMMENT: Possibility of sudden ionospheric disturbances over 
the forecast period. 
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5. SPACE ENVIRONMENT SUMMARY

GOES satellite data for 29 Apr
       Daily Proton Fluence >1 MeV:   1.8E+05
       Daily Proton Fluence >10 MeV:  1.7E+04
       Daily Electron Fluence >2 MeV: 1.00E+06 (normal fluence)  
Electron Fluence Daily Deep Dielectric Discharge Probability: 0%
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.
       X-ray background: B1.5

ACE Satellite Solar Wind Day Averaged Data for 29 Apr
Speed: NA km/sec  Density:  NA p/cc  Temp:  NA K  Bz:  NA nT

(Courtesy Space Environment Center, Boulder USA)
ACE data can be incorrect during strong proton events.
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IPS Radio and Space Services        email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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