Assertion: thunderstorm's updraft | /r/CapableOf | ingest cooler moister air
Facets:
value: from the forward flank downdraft
type: TRANSITIVE-OBJECT
Source sentences:
text: As the updraft rotates and ingests cooler moister air from the forward flank downdraft (FFD), it may form a wall cloud, a spinning layer of clouds lowered from ambient storm cloud base under the mid-level mesocyclone.