A Dynamic Analysis of a Record Breaking Winter Season Blocking Event

Table 2

Scale partitioned PV tendency on 315 K Surface: PV × PVU day⁻¹, 1 PVU ≡ 10⁻⁶ Km²kg⁻¹s⁻¹.

Phase	Planetary-scale	Synoptic-scale	Interaction
	PV	PV	PV
Onset	1.06	0.008	0.06
Intensification	0.82	−0.018	−0.028
Maintenance 1	3.005	−0.044	−0.99
Intensification 2	0.82	−0.048	0.39
Maintenance 2	−2.2	−0.058	−0.98
Intensification 3	9.62	−0.17	0.48
Decay	13.024	0.019	5.13