radar measurements, web cameras, ATDnet – UK Met. Offices
lightning detection system, NOAA satellite images and web-based ash reports
from the public.
Eruption plume:
Height (a.s.l.): According to radar obersvations, the plume
has been at around 5
km/18,000ft. today. Over the volcano, winds blow from the south at 10
m/s, but at the top of the plume the wind is south-southwesterly at 13
/media/jar/Eyjafjallajokull_status_2010-05-20_IES_IMO.pdf