[Ips-dsgr] IPS Daily Report - 30 April 01

[rwc]

SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 30/2330Z APRIL 2001 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:** YELLOW **   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 30 Apr:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 30 Apr: 188/141

GOES satellite data for 29 Apr
       Daily Proton Fluence >1 MeV:   1.8E+06
       Daily Proton Fluence >10 MeV:  1.4E+04
       Daily Electron Fluence >2 MeV: 1.10E+06 (normal)
       X-ray background: C1.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             01 May             02 May             03 May
Activity     Moderate           Moderate           Low to moderate
Fadeouts     Possible           Possible           Possible
10.7cm/SSN   185/138            180/133            175/129



-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 30 Apr: Quiet 

Estimated Indices 30 Apr :  A   K           
   Australian Region       1   1100 0011
      Darwin               1   2100 0012
      Townsville           1   1100 0012
      Learmonth            4   2211 1112
      Canberra             0   1000 0001
      Hobart               0   1000 0000
    
Observed Regional daily pc3 Indices 30 APR : 
      Darwin               0   (Quiet)
      Townsville           0   (Quiet)
      Learmonth            0   (Quiet)
      Canberra            15   (Quiet)
      Hobart               4   (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         4
           Planetary             10                         

Observed AFr/Ap Indices 29 Apr :  A   K
           Fredericksburg        11
           Planetary             15   4422 3221     


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

-----------------------------------------------------------
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-Fair
02 May      Normal         Normal         Normal-Fair
03 May      Normal         Normal         Normal-Fair

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
30 Apr   136

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 30% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 15% over the UT day.


Predicted Monthly T index for April: 120

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
01 May   135    near predicted monthly values 
02 May   135    Near predicted monthly values 
03 May   135    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/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060