The language here is remarkable: "Thy heaven;" that part of the atmosphere which was over Judea, instead of being replenished with aqueous vapours, should become, with respect to moisture, like brass, and consequently their land would become as hard as iron, and wholly incapable of cultivation; while the clouds might give showers in abundance, and the earth be moist and fruitful in other regions.
Lev 26:19; 1Ki 17:1, 1Ki 18:2; Jer 14:1-6; Amo 4:7