Reference Post: April 23, "Apocalypse Revelation" - This is a close as I can get to a description of the angel I saw. Instead of the arm extending forward it was held high and in its hand, a sword

And David lifted up his eyes, and saw the angel of the LORD standing between the earth and the heaven, having a drawn sword in his hand and stretched out over Jerusalem. Then David and the elders of Israel, who were clothed in sackcloth, fell upon their faces.