Unusual Cloud Formation Up North


Now I deliberately waited a week to make this post, because I didn’t want anyone to think it was an April Fool’s Joke, since what happened occurred on Sunday, April 1, 2012.

Unusual wavy cloud formations

Around 3 p.m. on Sunday, April 1st Mr. WickerWoman came home from running errands in Cook and said for me to come outside immediately and take a look at the clouds.

Undulating dark cloud formation

I thought maybe we were under a severe weather alert since it had been really windy and raining earlier in the morning, so went out to take a look and grabbed my camera on the way out the door.

Undulating cloud formation shot to the East on our Angora, MN property

I was blown away (excuse the pun) by these very, very unusual undulating dark blue, black, gray and white cloud formations! Never in my 60 years have I seen anything so spectacular, have you?

Unusual cloud formations in Angora, MN Sunday, April 1, 2012 3:05 p.m.

Have you ever seen anything like this before? Please leave details in the Comment section below. And if you are into weather events, especially cloud formations, and know what these are called, would you please leave a comment below? Calling all weathermen–Inquiring minds want to know!


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9 thoughts on “Unusual Cloud Formation Up North”

  1. Did it rain shortly after you saw the cloud? If so, it is Altostratus Undulatus (6,500 feet to 22,000 feet above sea level). If not, it is Status Undulatus (ground level to 6,500 feet above sea level).

    1. Hello Jon,

      No, it had been raining in the morning, but did not rain after I took the photographs at 3 p.m. So according to your information these clouds should be called Status Undulatus, not Altostratus Undulatus since it did not rain after they appeared, correct?

      1. Well, what I said is according to the weather book I have. As I am by no means a meteorologist, what it says in my book is the best information I could find.

        1. Thank you very much Jon, your post about those cloud formations was stimulating and piqued my interest enough to go read up on them! This old dog has learned another trick today and it’s all because of you. Will be checking out your blog too, you are from my home territory. I was born and raised in Washington and mom was born in Portland, OR. Beautiful country and from your blog homepage, doesn’t look like it’s changed a whole lot in over 50 years.

    1. Well Tony, it certainly looks like my clouds could be called, Altostratus Undulatus, doesn’t it? Super! So glad you found this for us and thanks for leaving the links so I can do more research about it, appreciate your thoughtfulness. Thanks, buddy.

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