Modifies a noun

• trough: Thundery troughs over France gave a lot of storms there during the day.

• shower: Heavy thundery showers on Saturday will be followed by a drier, less hot day on Sunday.

• rain: The evening saw some heavy thundery rain reported from N Wales to NW Scotland.

• weather: Around 8pm a band of thundery weather made its way through the central lowlands, centered to the west of Wishaw.

• month: In many places it tends to be the most thundery month.

• downpour: Over the whole of this interior region rainfall comes mainly in the summer season, mostly in thundery downpours.

Modifying Another Word

• possibly: Scattered heavy and possibly thundery showers are possible from late morning.

• very: Thursday, August 12th The day was very thundery - it rained heavily almost constantly.