40 days and nights of rain ended when the windows of heaven closed, causing a shower of Iridium rich shocked quartz and weathered glass beads to fall along with the last of the rain: the Noah's flood Iridium anomaly.
August 19th
The Firmament Rabbit Trail
One of our favorite ways to study the Bible is to follow a doctrine through from the first time it's mentioned to the last. This is a great way to develop understanding of the doctrine in the broad narrative of scripture.