Approaching Weather Front

I looked out of the bedroom window and this was approaching - bright blue sky with dark clouds ominously crawling forward obliterating the promise of fine weather!

Actually when I first saw it the moon was shining bravely just above the clouds front. In the few seconds it took me to grab the camera from the next room and ram the SD card in the clouds had swallowed the Moon almost completely. I managed to snatch one shot but it was rubbish