Assimilation of Aircraft Observations in High-Resolution Mesoscale Modeling

Table 1

FSS for the 0–6 h (18–00 UTC) precipitation forecast for each experiment on the two case days with precipitation during the 0–6 h forecast.

Case	Threshold (mm)	Neighborhood size (4 km grid cells)	Experiment name
			Control	H45V75	H15V75	H45V200
7 Feb	>=1.0 mm	1	0.084	0.086	0.085	0.087
		9	0.078	0.075	0.073	0.075
		25	0.063	0.065	0.063	0.065
1 Mar	>=1.0 mm	1	0.571	0.581	0.577	0.562
		9	0.673	0.676	0.677	0.653
		25	0.723	0.719	0.725	0.694
	>=2.5 mm	1	0.296	0.317	0.307	0.316
		9	0.400	0.452	0.425	0.432
		25	0.437	0.517	0.482	0.492