[Ips-geo-warning] IPS GEOMAGNETIC WARNING

[rwc]

SUBJ: IPS GEOMAGNETIC DISTURBANCE WARNING 01/09
ISSUED AT 30/0034Z MARCH 2001
BY THE AUSTRALIAN SPACE FORECAST CENTRE.

CORONAL MASS EJECTION EVENTS WERE OBSERVED ON 28 MAR. EVENTS
APPEARED TO BE OF WEAK TO MODERATE STRENGTH. TWO SHOCKS
ARE NOW EXPECTED TO ARRIVE IN THE WINDOW 30/1400UT TO
31/1100UT.

IN ADDITION AN X1 FLARE/CME WAS OBSERVED AT 1015UT ON 29 MAR. THE
SHOCK FROM THE X1 EVENT IS EXPECTED DURING SECOND HALF OF 31 MAR.

THERE NOW APPEARS TO BE A SEQUENCE OF THREE MASS EJECTION
EVENTS DIRECTED EARTHWARD. GEOMAGNETIC ACTIVITY FORECAST
FOR 31 MAR HAS BEEN REVISED UPWARD DUE TO X1 EVENT.

INCREASED GEOMAGNETIC ACTIVITY EXPECTED FROM 29 MARCH-01 APRIL 2001
-------------------------------------------------------------
GEOMAGNETIC ACTIVITY FORECAST

30 Mar:  Initially unsettled, then increasing to active to minor
         storm levels in second half of UT day.

31 Mar:  Minor to major storm levels now expected due to X1 event.
         Chance of severe storm levels.

01 Apr:  Active to minor storm then declining to unsettled.


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