![Met Éireann on Twitter: "Below is a great example of lenticular cloud, most likely Altocumulus Lenticularis, captured over Lough Swilly on Saturday 11th April and kindly sent in to us by Philip Met Éireann on Twitter: "Below is a great example of lenticular cloud, most likely Altocumulus Lenticularis, captured over Lough Swilly on Saturday 11th April and kindly sent in to us by Philip](https://pbs.twimg.com/media/EVpFX0IXQAAuIjC.jpg:large)
Met Éireann on Twitter: "Below is a great example of lenticular cloud, most likely Altocumulus Lenticularis, captured over Lough Swilly on Saturday 11th April and kindly sent in to us by Philip
Copper Coast Geopark - This great image of a Lenticular cloud was captured by Katherine Walsh in Bunmahon earlier today. Did you see it? According to Wikipedia Lenticular clouds are stationary clouds
![NWS Portland on Twitter: "More Altocumulus (AC) fun this evening. What species of AC are we looking at? A. Stratiformis B. Lenticularis C. Castellanus D. Floccus hint: it helps to know a NWS Portland on Twitter: "More Altocumulus (AC) fun this evening. What species of AC are we looking at? A. Stratiformis B. Lenticularis C. Castellanus D. Floccus hint: it helps to know a](https://pbs.twimg.com/media/EWvPqWXXkAIjFvB.jpg:large)
NWS Portland on Twitter: "More Altocumulus (AC) fun this evening. What species of AC are we looking at? A. Stratiformis B. Lenticularis C. Castellanus D. Floccus hint: it helps to know a
![Altocumulus lenticularis duplicatus (Ac len du) - 7191 - Biodiversidad Virtual / Fenómenos Atmosféricos Altocumulus lenticularis duplicatus (Ac len du) - 7191 - Biodiversidad Virtual / Fenómenos Atmosféricos](https://www.biodiversidadvirtual.org/atmos/data/media/19/Altocumulus-lenticularis-duplicatus-(Ac-len-du)-7191.jpg)