Assertion: cyclone's pressure | /r/CapableOf | drop to 850 mbar
Facets:
value: extremely rapidly
type: MANNER
Source sentences:
text: The pressure dropped gradually as the vortex approached then dropped extremely rapidly to 850 mbar (hPa) (25.10 inHg) in the core of the violent tornado before rising rapidly as the vortex moved away, resulting in a V-shape pressure trace.