Heaven; the lower heaven, in which the clouds are; as Deu_11:17Psa_147:8.
Is shut up; the heaven is compared to a great store-house in God’s keeping, out of which nothing can be had so long as it is close shut up.
If they turn from their sin, when thou afflictest them; do not reject their prayers, because they are forced from them by their afflictions, as thou mayest justly do.