Table 2.

Definition and characteristics of the WTs in GWTC.

Sr No.	Category	Type	Abbreviation	Description
1	Corner WTs	Humid cool	HC	Cooler and more humid than normal for the location and time of year
2		Humid warm	HW	Warmer and more humid than normal for the location and time of year
3		Dry cool	DC	Cooler and drier than normal for the location and time of year
4		Dry warm	DW	Warmer and drier than normal for the location and time of year
5	WTs moderate in terms of temperature	Humid	H	More humid than normal for the location and time of year
6		Dry	D	Drier than normal for the location and time of year
7	WTs moderate in terms of humidity	Cool	C	Cooler than normal for the location and time of year
8		Warm	W	Warmer than normal for the location and time of year
9	WT moderate in terms of both temperature and humidity	Seasonal	S	Near-normal conditions for the location and time of year
10	Transitional WTs	Cold front passage	CFP	Transitional weather day often with a drop in temperatures and dew points and rising sea-level pressure
11		Warm front passage	WFP	Transitional weather day often with increasing temperatures and dew points and lowering sea-level pressure