Mammatus clouds over Hastings, Nebraska [c/o Boing Boing] These are creepy. It's like some sort of horror movie chemical gas attack. #link 2005.07.18 @ 13:06 // Aux // You were reading Mammatus clouds over Hastings, Nebraska, a link posted with comment by MacDara Conroy. It is filed under Aux and was published in July 2005. If you liked what you read here, you can follow this site on Twitter @MacDaraBlogs or via reader feed, and find many more entries in the Archive. You can also buy me a Ko-fi.