A number of these clouds exhibited strong field buildups coincident with or somewhat before the observation of solid precipitation in the form of snow pellets or graupel, snow grain, or heavy snow, at flight level.
(A number of these clouds; exhibited; strong field buildups coincident; with or somewhat before the observation of solid precipitation in the form of snow pellets or graupel, snow grain, or heavy snow, at flight level)
A number of these clouds
exhibited
strong field buildups coincident with or somewhat before the observation of solid precipitation in the form of snow pellets or graupel, snow grain, or heavy snow, at flight level