Morning clouds 

n. Che clouds that block out the sun just enough in the morning to piss you off and make you not want to go out and enjoy the day. They look overcast enough to bring caution of rain, but never get to that point. Sometimes these clouds may last into the afternoon and even the next day, or they could come in early from tomorrow and ruin today. When current morning clouds react with future or previous morning clouds, the end result is always thunderstorms.

Arrone: Ahhh man looks like those morning clouds are here to ruin the beach day...

Stu: Hmm... I think I recognize those from yesterday, we should bring umbrellas to the beach it looks like.

Morning clouds by Arrone Curr June 6, 2010