equinoctial storm

American  

noun

1. a storm of violent winds and rain occurring at or near the time of an equinox and popularly, but erroneously, believed to be physically associated with it.

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Example Sentences

The equinoctial storms which had been raging since I left Ottawa, were, for a few days at least, at an end, and a bright autumn sun greeted me every morning as I rode onward.

From Project Gutenberg

Lee Murdock said he guessed the equinoctial storm had come, and that if it had there’d be no practice for a couple of days.

From Project Gutenberg

Ground rather dry; sun flails us over-warm; It's most time for the equinoctial storm.

From Project Gutenberg

The light-house had been severely tested in the late equinoctial storm, and was considered secure.

From Project Gutenberg

Here it rings again.–But his hurricane of resolve soon gave place to gentler deeds and hours, just as the equinoctial storm of autumn dissolved into still after-summer days.

From Project Gutenberg