Month: November 2017

Orographic cirrus / lee wave clouds as observed from GOES-16

by Dan Bikos on November 22nd, 2017

The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing.  Users bear all responsibility for inspecting the data prior to use and for the manner in which the data are utilized. On 22 November 2017, lee wave clouds (also referred to as orographic cirrus) developed downwind of various mountain ranges Continue Reading

GOES R Orographic Effects

Tropical Storm Rina

by Jorel Torres on November 7th, 2017

Ever since Hurricane Ophelia, it has been rather quiet in the Atlantic Ocean in regards to tropical cyclone activity, but now we have Tropical Storm Rina in the midst. As of early morning, 7 November 2017, Rina is positioned in the central Atlantic Ocean and is projected to move north, then northeast, and is not Continue Reading

Miscellaneous Tropical Cyclones

Early Morning Fog in Colorado

by Jorel Torres on November 3rd, 2017

Early this morning, 3 November 2017, the Colorado Front Range was inundated with fog and low stratus clouds. Fog persisted for several hours this morning. Below is an animation of the fog along the Front Range of Colorado via the ‘RAP Real-Time’ surface observations website, between 08-15Z. As a quick reminder, foggy areas are identified Continue Reading

Aviation Weather Fog POES