The Applicability of Bipartite Graph Model for Thunderstorms Forecast over Kolkata

Table 4

Validation of the single spectrum bipartite graph model with the observation of 2007.

Maximum eigen values for severe thunderstorms.					Maximum eigen values for ordinary thunderstorms.
Range (2.6 ±0.12)			Predicted error		Range (1.88 ±0.09)			Predicted error
Date	Eigen value		6–12 hours advance forecast	24 hours advance forecast	Date	Eigen value		6–12 hours advance forecast	24 hours advance forecast
	6–12 hours	24 hours				6–12 hours	24 hours
9.04.07	2.457	1.855	0.02	0.255	03.05.07	2.0019	1.382	0.021	0.36
21.05.07	2.457	1.855	0.02	0.255	12.05.07	1.9943	1.615	0.038	0.167
28.05.07	2.8184	2.018	0.042	0.231	22.05.07	1.9922	1.565	0.027	0.201