(~16,000 ft) between 12:00 and 14:00 GMT;
elevation of 3.9 km recorded at 17:40 GMT
[From aerial observations and radar measurements]
Heading: Eastwards at elevations above ~4 km (~13–14,000 ft)
Colour: Mostly
white (steam) to the east of the crater, but grey tephra pulses above
the crater
Tephra fallout: No ash-fall reported, although light ash-fall possible over Mýrdalsjökull
Lightening
/media/jar/Eyjafjallajokull_status_2010-04-26_IES_IMO.pdf