Quantifying the Location Error of Precipitation Nowcasts

Table 2

Overview of extrapolation models.

Name	Main approach	# Time steps looking back
Persist	Eulerian persistence	0
LK-Lin1	Linear extrapolation based on Lukas Kanade	1
LK-Lin4	Linear extrapolation based on Lukas Kanade	4
DIS-Lin1	Linear extrapolation from DIS motion field	1
DIS-Rot1	Semi-Lagrangian extrapolation based on motion field obtained by dense optical flow	1