July 20, 1854

in Thoreau’s Journal:

A muttering thunder-cloud in northwest gradually rising and with its advanced guard hiding in the sun and now and then darting forked lightning. The wind rising ominously also drives me home again.

At length down it comes upon the thirsty herbage, beating down the leaves with grateful, tender violence and slightly cooling the air; but all the thunder and lightning was in its van. How soon it swept over and we saw the flash in the southeast! Corn in blossom these days.