[Ips-dsgr] IPS Daily Report - 27 June 01

[rwc]

SUBJ: IPS DAILY SOLAR AND GEOPHYSICAL REPORT
ISSUED AT 27/2330Z JUNE 2001 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
SUMMARY FOR 27 JUNE AND FORECAST FOR 28 JUNE - 30 JUNE
STATUS INDICATORS SOL:GREEN   MAG:GREEN     ION: GREEN
-----------------------------------------------------------
1A. SOLAR SUMMARY
Activity 27 Jun:  Low

Flares: none.

Observed 10.7 cm flux/Equivalent Sunspot Number for 27 Jun: 148/102

GOES satellite data for 26 Jun
       Daily Proton Fluence >1 MeV:   6.5E+04
       Daily Proton Fluence >10 MeV:  1.1E+04
       Daily Electron Fluence >2 MeV: 5.40E+07 (normal)
       X-ray background: C1.0
Fluence (flux accumulation over 24hrs)/ cm2-ster-day.

1B. SOLAR FORECAST
             28 Jun             29 Jun             30 Jun
Activity     Low                Low                Low
Fadeouts     None expected      None expected      None expected
10.7cm/SSN   145/99             145/99             140/94




-----------------------------------------------------------
2A. MAGNETIC SUMMARY
Geomagnetic field for Australian Region 27 Jun: Quiet to Unsettled 

Estimated Indices 27 Jun :  A   K           
   Australian Region       5   3220 1112
      Darwin               4   3210 0112
      Townsville           2   3100 0001
      Learmonth           NA
      Canberra             4   3220 0002
      Hobart               4   3220 0001
    
Observed Regional daily pc3 Indices 27 JUN : 
      Darwin               2   (Quiet)
      Townsville           0   (Quiet)
      Learmonth           NA
      Canberra             2   (Quiet)
      Hobart              24   (Quiet to unsettled)
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 27 Jun : A 
           Fredericksburg         9
           Planetary             11                         

Observed AFr/Ap Indices 26 Jun :  A   K
           Fredericksburg        11
           Planetary             13   1223 3433     


2B. MAGNETIC FORECAST 
Date      Ap    Conditions
28 Jun    12    Quiet to unsettled 
29 Jun    10    Quiet to unsettled 
30 Jun     8    Quiet to unsettled 
COMMENT: IPS Geomagnetic Warning 22 was issued on 25 June and 
is current for interval 27-29 June. Geomagnetic activity is now
not expected to be significant during the interval 27-29 June.
-----------------------------------------------------------
3A. GLOBAL HF PROPAGATION SUMMARY
	            Latitude Band
Date        Low            Middle         High 
27 Jun      Normal         Normal         Normal-fair    
PCA Event : No event.

3B. GLOBAL HF PROPAGATION FORECAST
	            Latitude Band
Date        Low            Middle         High 
28 Jun      Normal         Normal         Normal-Fair
29 Jun      Normal         Normal         Normal-Fair
30 Jun      Normal         Normal         Normal-Fair

-----------------------------------------------------------
4A. AUSTRALIAN REGION IONOSPHERIC SUMMARY
Date   T index
27 Jun   152

Observed Australian Regional MUFs
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      No data available during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced greater than 15%.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 25% over the UT day.


Predicted Monthly T index for June: 118

4B. AUSTRALIAN REGION IONOSPHERIC FORECAST
Date   T index  MUFs
28 Jun   140    5 to 15% above predicted monthly values 
29 Jun   140    5 to 15% above predicted monthly values 
30 Jun   130    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