[Ips-geo-warning] IPS GEOMAGNETIC WARNING

[rwc]

SUBJ: IPS GEOMAGNETIC DISTURBANCE WARNING 00/54
ISSUED AT 04/2202Z DECEMBER 2000
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

A TRANS EQUATORIAL CORONAL HOLE IS VISIBLE IN
THE SUN'S EASTERN HEMISPHERE. OVER THE NEXT FEW
DAYS THE HOLE WILL MOVE INTO GEOEFFECTIVE POSITION.

THE RECURRENCE (27 DAY) BASED GEOMAGNETIC FORECAST FOR 
THIS CORONAL HOLE IS DIFFICULT DUE TO SUPERIMPOSED CORONAL 
MASS EJECTION SIGNATURES ON PREVIOUS ROTATIONS.

HOWEVER, A RECURRENT PATTERN IS STILL DISCERNABLE AND
SUGGESTS THAT DISTURBED CONDITIONS CAN BE EXPECTED 
DURING THE INTERVAL 07-10 DEC. 

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GEOMAGNETIC ACTIVITY FORECAST 
   07 Dec:  unsettled, chance of active periods.
08-09 Dec:  unsettled to active, chance of minor storm periods.
   10 Dec:  unsettled chance of active periods.


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/users/asfc/ 
tel: +61 2 9213 8010              | fax: +61 2 9213 8060