'Flames' in the Bible

Make your request to the Lord for rain in the time of the spring rains, even to the Lord who makes the thunder-flames; and he will give them showers of rain, to every man grass in the field.

Wail, O cypress, for the cedar has fallen,Because the magnificent trees have been destroyed;Wail, O oaks of Bashan,For the inaccessible forest [on the steep mountainside] has come down.