[Ips-dhfpr] IPS Daily HF Prop Report - 11 December 03

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z DECEMBER 2003 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 DECEMBER) 
Date   T index  Conditions    
11 Dec     2    Fair           

Flares: none.

MUFs:
15 to 30% below predicted monthly values


PCA Event : No event.

Predicted Monthly T index for December:  50
2. FORECAST (12 DECEMBER - 14 DECEMBER)
Date   T index  Conditions       MUFs                              
12 Dec    20    Fair             depressed 10 to 20%/near predicted 
                                 monthly values 
13 Dec    25    Fair             depressed 10 to 20%/near predicted 
                                 monthly values     
14 Dec    35    Normal-Fair      depressed 10 to 20%/near predicted 
                                 monthly values    
COMMENT: IPS HF Communications Warning 96 was issued on 11 December 
and is current for interval 12-13 December. Post-dawn depressions 
observed yesterday continued throughout the UT day at most locations. 
Depressions observed again today around local dawn in mid to 
southern Aus region, but showing signs of recovery at report 
issue. Coronal hole wind stream effects are likely to persist 
today, then gradually ease over the following few days. High 
latitudes can expect extended periods of disturbance for the 
next few days. 

IPS Radio and Space Services      | email: asfc at ips.gov.au
PO Box 1386                       | WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA     | FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060 

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