[Ips-dhfpr] IPS Daily HF Prop Report - 21 May 02

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 21/2330Z MAY 2002 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 MAY) 
Date   T index  Conditions    
21 May   125    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.5    2141UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Enhanced by 15% during local day,
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 35% over the UT day.

Predicted Monthly T index for May: 113
2. FORECAST (22 MAY - 24 MAY)
Date   T index  Conditions       MUFs                              
22 May   130    Normal           Near predicted monthly values 
23 May   130    Normal           Near predicted monthly values     
24 May   130    Normal-Fair      Near predicted monthly values    
COMMENT: IPS HF Communications Warning 24 was issued on 20 May 
and is current for interval 21-23 May (SWFs) . There are now
three solar regions flare capable on the solar disk. Mild 
degradation in HF conditions expected late 24/25 May southern 
region Aus/NZ only due to re4cent CME and coronal hole high 
speed stream effects. 

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