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)
Altocumulus lenticularis duplicatus (Ac len du) - 7191 - Biodiversidad Virtual / Fenómenos Atmosféricos
![File:Altocumulus stratiformis duplicatus, in der unteren Schicht in Ac lenticularis auslaufend.jpg - Wikimedia Commons File:Altocumulus stratiformis duplicatus, in der unteren Schicht in Ac lenticularis auslaufend.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/1a/Altocumulus_stratiformis_duplicatus%2C_in_der_unteren_Schicht_in_Ac_lenticularis_auslaufend.jpg)